操作系统开发

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C/C++

BOOK.PS：源码内容

(src/kernel/system.c)798 2034 A
1170 V
(++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++)3528 648 A
1350 V
(14700)210 648 A
1026(/*)S
(This)168 1152 A
(task)168 1362 A
(handles)294 1572 A
(the)126 1908 A
(interface)378 2076 A
(between)294 2496 A
(file)168 2832 A
(system)252 3042 A
(and)126 3336 A
(kernel)252 3504 A
3798(as)S
(well)168 3924 A
4134(as)S
1440 V
(14701)210 648 A
1068(*)S
(between)294 1152 A
(memory)252 1488 A
(manager)294 1782 A
(and)126 2118 A
(kernel.)294 2286 A
(System)252 2664 A
(services)336 2958 A
(are)126 3336 A
(obtained)336 3504 A
3882(by)S
(sending)294 4008 A
1530 V
(14702)210 648 A
1068(*)S
(sys_task())420 1152 A
1614(a)S
(message)294 1698 A
(specifying)420 2034 A
(what)168 2496 A
2706(is)S
(needed.)294 2832 A
3210(To)S
(make)168 3336 A
(life)168 3546 A
(easier)252 3756 A
(for)126 4050 A
1620 V
(14703)210 648 A
1068(*)S
1152(MM)S
(and)126 1278 A
(FS,)126 1446 A
1614(a)S
(library)294 1698 A
2034(is)S
(provided)336 2160 A
(with)168 2538 A
(routines)336 2748 A
(whose)210 3126 A
(names)210 3378 A
(are)126 3630 A
3798(of)S
(the)126 3924 A
1710 V
(14704)210 648 A
1068(*)S
(form)168 1152 A
(sys_xxx,)336 1362 A
(e.g.)168 1740 A
(sys_xit)294 1950 A
(sends)210 2286 A
(the)126 2538 A
(SYS_XIT)294 2706 A
(message)294 3042 A
3378(to)S
(sys_task.)378 3504 A
(The)126 3966 A
1800 V
(14705)210 648 A
1068(*)S
(message)294 1152 A
(types)210 1488 A
(and)126 1740 A
(parameters)420 1908 A
(are:)168 2370 A
1890 V
(14706)210 648 A
1068(*)S
1980 V
(14707)210 648 A
1068(*)S
(SYS_FORK)336 1236 A
(informs)294 1740 A
(kernel)252 2076 A
(that)168 2370 A
2580(a)S
(process)294 2664 A
(has)126 3000 A
(forked)252 3168 A
2070 V
(14708)210 648 A
1068(*)S
(SYS_NEWMAP)420 1236 A
(allows)252 1740 A
2034(MM)S
2160(to)S
(set)126 2286 A
2454(up)S
2580(a)S
(process)294 2664 A
(memory)252 3000 A
(map)126 3294 A
2160 V
(14709)210 648 A
1068(*)S
(SYS_GETMAP)420 1236 A
(allows)252 1740 A
2034(MM)S
2160(to)S
(get)126 2286 A
2454(a)S
(process')336 2538 A
(memory)252 2916 A
(map)126 3210 A
2250 V
(14710)210 648 A
1068(*)S
(SYS_EXEC)336 1236 A
(sets)168 1740 A
(program)294 1950 A
(counter)294 2286 A
(and)126 2622 A
(stack)210 2790 A
(pointer)294 3042 A
(after)210 3378 A
(EXEC)168 3630 A
2340 V
(14711)210 648 A
1068(*)S
(SYS_XIT)294 1236 A
(informs)294 1740 A
(kernel)252 2076 A
(that)168 2370 A
2580(a)S
(process)294 2664 A
(has)126 3000 A
(exited)252 3168 A
2430 V
(14712)210 648 A
1068(*)S
(SYS_GETSP)378 1236 A
(caller)252 1740 A
(wants)210 2034 A
2286(to)S
(read)168 2412 A
(out)126 2622 A
(some)168 2790 A
(process')336 3000 A
(stack)210 3378 A
(pointer)294 3630 A
2520 V
(14713)210 648 A
1068(*)S
(SYS_TIMES)378 1236 A
(caller)252 1740 A
(wants)210 2034 A
2286(to)S
(get)126 2412 A
(accounting)420 2580 A
(times)210 3042 A
(for)126 3294 A
3462(a)S
(process)294 3546 A
2610 V
(14714)210 648 A
1068(*)S
(SYS_ABORT)378 1236 A
1740(MM)S
1866(or)S
1992(FS)S
(cannot)252 2118 A
2412(go)S
(on;)126 2538 A
(abort)210 2706 A
(MINIX)210 2958 A
2700 V
(14715)210 648 A
1068(*)S
(SYS_FRESH)378 1236 A
(start)210 1740 A
(with)168 1992 A
2202(a)S
(fresh)210 2286 A
(process)294 2538 A
(image)210 2874 A
(during)252 3126 A
(EXEC)168 3420 A
((68000)252 3630 A
(only))210 3924 A
2790 V
(14716)210 648 A
1068(*)S
(SYS_SENDSIG)462 1236 A
(send)168 1740 A
1950(a)S
(signal)252 2034 A
2328(to)S
2454(a)S
(process)294 2538 A
((POSIX)252 2874 A
(style))252 3168 A
2880 V
(14717)210 648 A
1068(*)S
(SYS_SIGRETURN)546 1236 A
(complete)336 1824 A
(POSIX-style)462 2202 A
(signalling)420 2706 A
2970 V
(14718)210 648 A
1068(*)S
(SYS_KILL)336 1236 A
(cause)210 1740 A
1992(a)S
(signal)252 2076 A
2370(to)S
2496(be)S
(sent)168 2622 A
(via)126 2832 A
3000(MM)S
3060 V
(14719)210 648 A
1068(*)S
(SYS_ENDSIG)420 1236 A
(finish)252 1740 A
2034(up)S
(after)210 2160 A
(SYS_KILL-type)546 2412 A
(signal)252 3000 A
3150 V
(14720)210 648 A
1068(*)S
(SYS_COPY)336 1236 A
(request)294 1740 A
2076(a)S
(block)210 2160 A
2412(of)S
(data)168 2538 A
2748(to)S
2874(be)S
(copied)252 3000 A
(between)294 3294 A
(processes)378 3630 A
3240 V
(14721)210 648 A
1068(*)S
(SYS_VCOPY)378 1236 A
(request)294 1740 A
2076(a)S
(series)252 2160 A
2454(of)S
(data)168 2580 A
(blocks)252 2790 A
3084(to)S
3210(be)S
(copied)252 3336 A
(between)294 3630 A
(procs)210 3966 A
3330 V
(14722)210 648 A
1068(*)S
(SYS_GBOOT)378 1236 A
(copies)252 1740 A
(the)126 2034 A
(boot)168 2202 A
(parameters)420 2412 A
2874(to)S
3000(a)S
(process)294 3084 A
3420 V
(14723)210 648 A
1068(*)S
(SYS_MEM)294 1236 A
(returns)294 1740 A
(the)126 2076 A
(next)168 2244 A
(free)168 2454 A
(chunk)210 2664 A
2916(of)S
(physical)336 3042 A
(memory)252 3420 A
3510 V
(14724)210 648 A
1068(*)S
(SYS_UMAP)336 1236 A
(compute)294 1740 A
(the)126 2076 A
(physical)336 2244 A
(address)294 2622 A
(for)126 2958 A
3126(a)S
(given)210 3210 A
(virtual)294 3462 A
(address)294 3798 A
3600 V
(14725)210 648 A
1068(*)S
(SYS_TRACE)378 1236 A
(request)294 1740 A
2076(a)S
(trace)210 2160 A
(operation)378 2412 A
3690 V
(14726)210 648 A
1068(*)S
3780 V
(14727)210 648 A
1068(*)S
(Message)294 1152 A
(types)210 1488 A
(and)126 1740 A
(parameters:)462 1908 A
3870 V
(14728)210 648 A
1068(*)S
3960 V
(14729)210 648 A
1068(*)S
(m_type)252 1278 A
(PROC1)210 1824 A
(PROC2)210 2244 A
(PID)126 2706 A
(MEM_PTR)294 3042 A
4050 V
(14730)210 648 A
1068(*)S
(------------------------------------------------------)2268 1152 A
4140 V
(14731)210 648 A
1068(*)S
1152(|)S
(SYS_FORK)336 1236 A
1698(|)S
(parent)252 1782 A
2118(|)S
(child)210 2244 A
2538(|)S
(pid)126 2706 A
2958(|)S
3378(|)S
4230 V
(14732)210 648 A
1068(*)S
(|------------+---------+---------+---------+---------|)2268 1152 A
4320 V
(14733)210 648 A
1068(*)S
1152(|)S
(SYS_NEWMAP)420 1236 A
1698(|)S
(proc)168 1782 A
1992(nr)S
2118(|)S
2538(|)S
2958(|)S
(map)126 3042 A
(ptr)126 3210 A
3378(|)S
4410 V
(14734)210 648 A
1068(*)S
(|------------+---------+---------+---------+---------|)2268 1152 A
4500 V
(14735)210 648 A
1068(*)S
1152(|)S
(SYS_EXEC)336 1236 A
1698(|)S
(proc)168 1782 A
1992(nr)S
2118(|)S
(traced)252 2202 A
2538(|)S
(new)126 2622 A
2790(sp)S
2958(|)S
3378(|)S
4590 V
(14736)210 648 A
1068(*)S
(|------------+---------+---------+---------+---------|)2268 1152 A
4680 V
(14737)210 648 A
1068(*)S
1152(|)S
(SYS_XIT)294 1236 A
1698(|)S
(parent)252 1782 A
2118(|)S
(exitee)252 2202 A
2538(|)S
2958(|)S
3378(|)S
4770 V
(14738)210 648 A
1068(*)S
(|------------+---------+---------+---------+---------|)2268 1152 A
4860 V
(14739)210 648 A
1068(*)S
1152(|)S
(SYS_GETSP)378 1236 A
1698(|)S
(proc)168 1782 A
1992(nr)S
2118(|)S
2538(|)S
2958(|)S
3378(|)S
4950 V
(14740)210 648 A
1068(*)S
(|------------+---------+---------+---------+---------|)2268 1152 A
5040 V
(14741)210 648 A
1068(*)S
1152(|)S
(SYS_TIMES)378 1236 A
1698(|)S
(proc)168 1782 A
1992(nr)S
2118(|)S
2538(|)S
(buf)126 2622 A
(ptr)126 2790 A
2958(|)S
3378(|)S
5130 V
(14742)210 648 A
1068(*)S
(|------------+---------+---------+---------+---------|)2268 1152 A
5220 V
(14743)210 648 A
1068(*)S
1152(|)S
(SYS_ABORT)378 1236 A
1698(|)S
2118(|)S
2538(|)S
2958(|)S
3378(|)S
5310 V
(14744)210 648 A
1068(*)S
(|------------+---------+---------+---------+---------|)2268 1152 A
5400 V
(14745)210 648 A
1068(*)S
1152(|)S
(SYS_FRESH)378 1236 A
1698(|)S
(proc)168 1782 A
1992(nr)S
2118(|)S
(data_cl)294 2202 A
2538(|)S
2958(|)S
3378(|)S
5490 V
(14746)210 648 A
1068(*)S
(|------------+---------+---------+---------+---------|)2268 1152 A
5580 V
(14747)210 648 A
1068(*)S
1152(|)S
(SYS_GBOOT)378 1236 A
1698(|)S
(proc)168 1782 A
1992(nr)S
2118(|)S
2538(|)S
2958(|)S
(bootptr)294 3042 A
3378(|)S
5670 V
(14748)210 648 A
1068(*)S
(|------------+---------+---------+---------+---------|)2268 1152 A
5760 V
(14749)210 648 A
1068(*)S
1152(|)S
(SYS_GETMAP)420 1236 A
1698(|)S
(proc)168 1782 A
1992(nr)S
2118(|)S
2538(|)S
2958(|)S
(map)126 3042 A
(ptr)126 3210 A
3378(|)S
5850 V
(14750)210 648 A
1068(*)S
(------------------------------------------------------)2268 1152 A
5940 V
(14751)210 648 A
1068(*)S
6030 V
(14752)210 648 A
1068(*)S
(m_type)252 1278 A
(m1_i1)210 1950 A
(m1_i2)210 2370 A
(m1_i3)210 2790 A
(m1_p1)210 3294 A
6120 V
(14753)210 648 A
1068(*)S
(----------------+---------+---------+---------+--------------)2562 1152 A
6210 V
(14754)210 648 A
1068(*)S
1152(|)S
(SYS_VCOPY)378 1236 A
1824(|)S
(src)126 1950 A
2118(p)S
2244(|)S
(dst)126 2370 A
2538(p)S
2664(|)S
(vec)126 2748 A
(siz)126 2916 A
3084(|)S
3168(vc)S
(addr)168 3294 A
3672(|)S
8418 V
EP
%%Page: 205 205
BP
/slant 0 def
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630 V
10 R
648(MINIX)S
976(SOURCE)S
1399(CODE)S
11 R
1993(File:)S
2226(src/kernel/system.c)S
12 B
(205)180 4248 A
900 V
7 LST
(14755)210 648 A
1068(*)S
(|---------------+---------+---------+---------+-------------|)2562 1152 A
990 V
(14756)210 648 A
1068(*)S
1152(|)S
(SYS_SENDSIG)462 1236 A
1824(|)S
(proc)168 1908 A
2118(nr)S
2244(|)S
2664(|)S
3084(|)S
(smp)126 3168 A
3672(|)S
1080 V
(14757)210 648 A
1068(*)S
(|---------------+---------+---------+---------+-------------|)2562 1152 A
1170 V
(14758)210 648 A
1068(*)S
1152(|)S
(SYS_SIGRETURN)546 1236 A
1824(|)S
(proc)168 1908 A
2118(nr)S
2244(|)S
2664(|)S
3084(|)S
(scp)126 3168 A
3672(|)S
1260 V
(14759)210 648 A
1068(*)S
(|---------------+---------+---------+---------+-------------|)2562 1152 A
1350 V
(14760)210 648 A
1068(*)S
1152(|)S
(SYS_ENDSIG)420 1236 A
1824(|)S
(proc)168 1908 A
2118(nr)S
2244(|)S
2664(|)S
3084(|)S
3672(|)S
1440 V
(14761)210 648 A
1068(*)S
(-------------------------------------------------------------)2562 1152 A
1530 V
(14762)210 648 A
1068(*)S
1620 V
(14763)210 648 A
1068(*)S
(m_type)252 1278 A
(m2_i1)210 1824 A
(m2_i2)210 2244 A
(m2_l1)210 2664 A
(m2_l2)210 3084 A
1710 V
(14764)210 648 A
1068(*)S
(------------------------------------------------------)2268 1152 A
1800 V
(14765)210 648 A
1068(*)S
1152(|)S
(SYS_TRACE)378 1236 A
1698(|)S
(proc_nr)294 1782 A
2118(|)S
(request)294 2202 A
2538(|)S
(addr)168 2664 A
2958(|)S
(data)168 3084 A
3378(|)S
1890 V
(14766)210 648 A
1068(*)S
(------------------------------------------------------)2268 1152 A
1980 V
(14767)210 648 A
1068(*)S
2070 V
(14768)210 648 A
1068(*)S
2160 V
(14769)210 648 A
1068(*)S
(m_type)252 1278 A
(m6_i1)210 1824 A
(m6_i2)210 2244 A
(m6_i3)210 2664 A
(m6_f1)210 3084 A
2250 V
(14770)210 648 A
1068(*)S
(------------------------------------------------------)2268 1152 A
2340 V
(14771)210 648 A
1068(*)S
1152(|)S
(SYS_KILL)336 1236 A
1698(|)S
(proc_nr)294 1782 A
2160(|)S
(sig)126 2286 A
2580(|)S
3000(|)S
3420(|)S
2430 V
(14772)210 648 A
1068(*)S
(------------------------------------------------------)2268 1152 A
2520 V
(14773)210 648 A
1068(*)S
2610 V
(14774)210 648 A
1068(*)S
2700 V
(14775)210 648 A
1068(*)S
(m_type)252 1278 A
(m5_c1)210 1782 A
(m5_i1)210 2118 A
(m5_l1)210 2496 A
(m5_c2)210 2832 A
(m5_i2)210 3168 A
(m5_l2)210 3546 A
(m5_l3)210 3882 A
2790 V
(14776)210 648 A
1068(*)S
(--------------------------------------------------------------------------)3108 1152 A
2880 V
(14777)210 648 A
1068(*)S
1152(|)S
(SYS_COPY)336 1236 A
(|src)168 1698 A
(seg|src)294 1908 A
(proc|src)336 2244 A
(vir|dst)294 2622 A
(seg|dst)294 2958 A
(proc|dst)336 3294 A
(vir|)168 3672 A
(byte)168 3882 A
4092(ct)S
4218(|)S
2970 V
(14778)210 648 A
1068(*)S
(--------------------------------------------------------------------------)3108 1152 A
3060 V
(14779)210 648 A
1068(*)S
1152(|)S
(SYS_UMAP)336 1236 A
1698(|)S
(seg)126 1824 A
(|proc)210 2034 A
2286(nr)S
(|vir)168 2412 A
(adr|)168 2622 A
3084(|)S
3462(|)S
3798(|)S
(byte)168 3882 A
4092(ct)S
4218(|)S
3150 V
(14780)210 648 A
1068(*)S
(--------------------------------------------------------------------------)3108 1152 A
3240 V
(14781)210 648 A
1068(*)S
3330 V
(14782)210 648 A
1068(*)S
3420 V
(14783)210 648 A
1068(*)S
(m_type)252 1278 A
(m1_i1)210 1782 A
(m1_i2)210 2244 A
(m1_i3)210 2706 A
3510 V
(14784)210 648 A
1068(*)S
(|------------+----------+----------+----------)1932 1152 A
3600 V
(14785)210 648 A
1068(*)S
1152(|)S
(SYS_MEM)294 1236 A
1698(|)S
(mem)126 1782 A
(base)168 1950 A
2160(|)S
(mem)126 2244 A
(size)168 2412 A
2622(|)S
(tot)126 2706 A
(mem)126 2874 A
3042(|)S
3690 V
(14786)210 648 A
1068(*)S
(----------------------------------------------)1932 1152 A
3780 V
(14787)210 648 A
1068(*)S
3870 V
(14788)210 648 A
1068(*)S
1152(In)S
(addition)336 1278 A
1656(to)S
(the)126 1782 A
(main)168 1950 A
(sys_task())420 2160 A
(entry)210 2622 A
(point,)252 2874 A
(there)210 3168 A
(are)126 3420 A
3588(5)S
(other)210 3672 A
(minor)210 3924 A
3960 V
(14789)210 648 A
1068(*)S
(entry)210 1152 A
(points:)294 1404 A
4050 V
(14790)210 648 A
1068(*)S
(cause_sig:)420 1236 A
(take)168 1698 A
(action)252 1908 A
2202(to)S
(cause)210 2328 A
2580(a)S
(signal)252 2664 A
2958(to)S
(occur,)252 3084 A
(sooner)252 3378 A
3672(or)S
(later)210 3798 A
4140 V
(14791)210 648 A
1068(*)S
(inform:)294 1236 A
(tell)168 1698 A
1908(MM)S
(about)210 2034 A
(pending)294 2286 A
(signals)294 2622 A
4230 V
(14792)210 648 A
1068(*)S
(numap:)252 1236 A
(umap)168 1698 A
1908(D)S
(segment)294 1992 A
(starting)336 2328 A
(from)168 2706 A
(process)294 2916 A
(number)252 3252 A
(instead)294 3546 A
3882(of)S
(pointer)294 4008 A
4320 V
(14793)210 648 A
1068(*)S
(umap:)210 1236 A
(compute)294 1698 A
(the)126 2034 A
(physical)336 2202 A
(address)294 2580 A
(for)126 2916 A
3084(a)S
(given)210 3168 A
(virtual)294 3420 A
(address)294 3756 A
4410 V
(14794)210 648 A
1068(*)S
(alloc_segments:)630 1236 A
(allocate)336 1908 A
(segments)336 2286 A
(for)126 2664 A
(8088)168 2832 A
3042(or)S
(higher)252 3168 A
(processor)378 3462 A
4500 V
(14795)210 648 A
1068(*/)S
4590 V
(14796)210 648 A
4680 V
(14797)210 648 A
(#include)336 1026 A
("kernel.h")420 1404 A
4770 V
(14798)210 648 A
(#include)336 1026 A
(<signal.h>)420 1404 A
4860 V
(14799)210 648 A
(#include)336 1026 A
(<unistd.h>)420 1404 A
4950 V
(14800)210 648 A
(#include)336 1026 A
(<sys/sigcontext.h>)756 1404 A
5040 V
(14801)210 648 A
(#include)336 1026 A
(<sys/ptrace.h>)588 1404 A
5130 V
(14802)210 648 A
(#include)336 1026 A
(<minix/boot.h>)588 1404 A
5220 V
(14803)210 648 A
(#include)336 1026 A
(<minix/callnr.h>)672 1404 A
5310 V
(14804)210 648 A
(#include)336 1026 A
(<minix/com.h>)546 1404 A
5400 V
(14805)210 648 A
(#include)336 1026 A
("proc.h")336 1404 A
5490 V
(14806)210 648 A
(#include)336 1026 A
("protect.h")462 1404 A
5580 V
(14807)210 648 A
5670 V
(14808)210 648 A
1026(/*)S
(PSW)126 1152 A
(masks.)252 1320 A
1614(*/)S
5760 V
(14809)210 648 A
(#define)294 1026 A
(IF_MASK)294 1362 A
(0x00000200)420 1698 A
5850 V
(14810)210 648 A
(#define)294 1026 A
(IOPL_MASK)378 1362 A
(0x003000)336 1782 A
5940 V
(14811)210 648 A
6030 V
(14812)210 648 A
(PRIVATE)294 1026 A
(message)294 1362 A
1698(m;)S
6120 V
(14813)210 648 A
6210 V
(14814)210 648 A
(FORWARD)294 1026 A
(_PROTOTYPE()462 1362 A
(int)126 1866 A
(do_abort,)378 2034 A
((message)336 2454 A
(*m_ptr))294 2832 A
3168();)S
8418 V
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630 V
12 B
(206)180 648 A
11 R
1993(File:)S
2226(src/kernel/system.c)S
10 R
3402(MINIX)S
3730(SOURCE)S
4153(CODE)S
900 V
7 LST
(14815)210 648 A
(FORWARD)294 1026 A
(_PROTOTYPE()462 1362 A
(int)126 1866 A
(do_copy,)336 2034 A
((message)336 2412 A
(*m_ptr))294 2790 A
3126();)S
990 V
(14816)210 648 A
(FORWARD)294 1026 A
(_PROTOTYPE()462 1362 A
(int)126 1866 A
(do_exec,)336 2034 A
((message)336 2412 A
(*m_ptr))294 2790 A
3126();)S
1080 V
(14817)210 648 A
(FORWARD)294 1026 A
(_PROTOTYPE()462 1362 A
(int)126 1866 A
(do_fork,)336 2034 A
((message)336 2412 A
(*m_ptr))294 2790 A
3126();)S
1170 V
(14818)210 648 A
(FORWARD)294 1026 A
(_PROTOTYPE()462 1362 A
(int)126 1866 A
(do_gboot,)378 2034 A
((message)336 2454 A
(*m_ptr))294 2832 A
3168();)S
1260 V
(14819)210 648 A
(FORWARD)294 1026 A
(_PROTOTYPE()462 1362 A
(int)126 1866 A
(do_getsp,)378 2034 A
((message)336 2454 A
(*m_ptr))294 2832 A
3168();)S
1350 V
(14820)210 648 A
(FORWARD)294 1026 A
(_PROTOTYPE()462 1362 A
(int)126 1866 A
(do_kill,)336 2034 A
((message)336 2412 A
(*m_ptr))294 2790 A
3126();)S
1440 V
(14821)210 648 A
(FORWARD)294 1026 A
(_PROTOTYPE()462 1362 A
(int)126 1866 A
(do_mem,)294 2034 A
((message)336 2370 A
(*m_ptr))294 2748 A
3084();)S
1530 V
(14822)210 648 A
(FORWARD)294 1026 A
(_PROTOTYPE()462 1362 A
(int)126 1866 A
(do_newmap,)420 2034 A
((message)336 2496 A
(*m_ptr))294 2874 A
3210();)S
1620 V
(14823)210 648 A
(FORWARD)294 1026 A
(_PROTOTYPE()462 1362 A
(int)126 1866 A
(do_sendsig,)462 2034 A
((message)336 2538 A
(*m_ptr))294 2916 A
3252();)S
1710 V
(14824)210 648 A
(FORWARD)294 1026 A
(_PROTOTYPE()462 1362 A
(int)126 1866 A
(do_sigreturn,)546 2034 A
((message)336 2622 A
(*m_ptr))294 3000 A
3336();)S
1800 V
(14825)210 648 A
(FORWARD)294 1026 A
(_PROTOTYPE()462 1362 A
(int)126 1866 A
(do_endsig,)420 2034 A
((message)336 2496 A
(*m_ptr))294 2874 A
3210();)S
1890 V
(14826)210 648 A
(FORWARD)294 1026 A
(_PROTOTYPE()462 1362 A
(int)126 1866 A
(do_times,)378 2034 A
((message)336 2454 A
(*m_ptr))294 2832 A
3168();)S
1980 V
(14827)210 648 A
(FORWARD)294 1026 A
(_PROTOTYPE()462 1362 A
(int)126 1866 A
(do_trace,)378 2034 A
((message)336 2454 A
(*m_ptr))294 2832 A
3168();)S
2070 V
(14828)210 648 A
(FORWARD)294 1026 A
(_PROTOTYPE()462 1362 A
(int)126 1866 A
(do_umap,)336 2034 A
((message)336 2412 A
(*m_ptr))294 2790 A
3126();)S
2160 V
(14829)210 648 A
(FORWARD)294 1026 A
(_PROTOTYPE()462 1362 A
(int)126 1866 A
(do_xit,)294 2034 A
((message)336 2370 A
(*m_ptr))294 2748 A
3084();)S
2250 V
(14830)210 648 A
(FORWARD)294 1026 A
(_PROTOTYPE()462 1362 A
(int)126 1866 A
(do_vcopy,)378 2034 A
((message)336 2454 A
(*m_ptr))294 2832 A
3168();)S
2340 V
(14831)210 648 A
(FORWARD)294 1026 A
(_PROTOTYPE()462 1362 A
(int)126 1866 A
(do_getmap,)420 2034 A
((message)336 2496 A
(*m_ptr))294 2874 A
3210();)S
2430 V
(14832)210 648 A
2520 V
(14833)210 648 A
2610 V
(14834)210 648 A
(/*===========================================================================*)3276 1026 A
2700 V
(14835)210 648 A
1068(*)S
(sys_task)336 2370 A
4260(*)S
2790 V
(14836)210 648 A
(*===========================================================================*/)3276 1068 A
2880 V
(14837)210 648 A
(PUBLIC)252 1026 A
(void)168 1320 A
(sys_task())420 1530 A
2970 V
(14838)210 648 A
1026({)S
3060 V
(14839)210 648 A
1026(/*)S
(Main)168 1152 A
(entry)210 1362 A
(point)210 1614 A
1866(of)S
(sys_task.)378 1992 A
(Get)126 2454 A
(the)126 2622 A
(message)294 2790 A
(and)126 3126 A
(dispatch)336 3294 A
3672(on)S
(type.)210 3798 A
4050(*/)S
3150 V
(14840)210 648 A
3240 V
(14841)210 648 A
(register)336 1110 A
(int)126 1488 A
1656(r;)S
3330 V
(14842)210 648 A
3420 V
(14843)210 648 A
(while)210 1110 A
((TRUE))252 1362 A
1656({)S
3510 V
(14844)210 648 A
(receive(ANY,)504 1362 A
(&m);)168 1908 A
3600 V
(14845)210 648 A
3690 V
(14846)210 648 A
(switch)252 1362 A
((m.m_type))420 1656 A
2118({)S
2370(/*)S
(which)210 2496 A
(system)252 2748 A
(call)168 3042 A
3252(*/)S
3780 V
(14847)210 648 A
(case)168 1530 A
(SYS_FORK:)378 1740 A
2370(r)S
2454(=)S
(do_fork(&m);)504 2538 A
(break;)252 3378 A
3870 V
(14848)210 648 A
(case)168 1530 A
(SYS_NEWMAP:)462 1740 A
2370(r)S
2454(=)S
(do_newmap(&m);)588 2538 A
(break;)252 3378 A
3960 V
(14849)210 648 A
(case)168 1530 A
(SYS_GETMAP:)462 1740 A
2370(r)S
2454(=)S
(do_getmap(&m);)588 2538 A
(break;)252 3378 A
4050 V
(14850)210 648 A
(case)168 1530 A
(SYS_EXEC:)378 1740 A
2370(r)S
2454(=)S
(do_exec(&m);)504 2538 A
(break;)252 3378 A
4140 V
(14851)210 648 A
(case)168 1530 A
(SYS_XIT:)336 1740 A
2370(r)S
2454(=)S
(do_xit(&m);)462 2538 A
(break;)252 3378 A
4230 V
(14852)210 648 A
(case)168 1530 A
(SYS_GETSP:)420 1740 A
2370(r)S
2454(=)S
(do_getsp(&m);)546 2538 A
(break;)252 3378 A
4320 V
(14853)210 648 A
(case)168 1530 A
(SYS_TIMES:)420 1740 A
2370(r)S
2454(=)S
(do_times(&m);)546 2538 A
(break;)252 3378 A
4410 V
(14854)210 648 A
(case)168 1530 A
(SYS_ABORT:)420 1740 A
2370(r)S
2454(=)S
(do_abort(&m);)546 2538 A
(break;)252 3378 A
4500 V
(14855)210 648 A
(case)168 1530 A
(SYS_SENDSIG:)504 1740 A
2370(r)S
2454(=)S
(do_sendsig(&m);)630 2538 A
(break;)252 3378 A
4590 V
(14856)210 648 A
(case)168 1530 A
(SYS_SIGRETURN:)588 1740 A
2370(r)S
2454(=)S
(do_sigreturn(&m);)714 2538 A
(break;)252 3378 A
4680 V
(14857)210 648 A
(case)168 1530 A
(SYS_KILL:)378 1740 A
2370(r)S
2454(=)S
(do_kill(&m);)504 2538 A
(break;)252 3378 A
4770 V
(14858)210 648 A
(case)168 1530 A
(SYS_ENDSIG:)462 1740 A
2370(r)S
2454(=)S
(do_endsig(&m);)588 2538 A
(break;)252 3378 A
4860 V
(14859)210 648 A
(case)168 1530 A
(SYS_COPY:)378 1740 A
2370(r)S
2454(=)S
(do_copy(&m);)504 2538 A
(break;)252 3378 A
4950 V
(14860)210 648 A
(case)168 1530 A
(SYS_VCOPY:)420 1740 A
2370(r)S
2454(=)S
(do_vcopy(&m);)546 2538 A
(break;)252 3378 A
5040 V
(14861)210 648 A
(case)168 1530 A
(SYS_GBOOT:)420 1740 A
2370(r)S
2454(=)S
(do_gboot(&m);)546 2538 A
(break;)252 3378 A
5130 V
(14862)210 648 A
(case)168 1530 A
(SYS_MEM:)336 1740 A
2370(r)S
2454(=)S
(do_mem(&m);)462 2538 A
(break;)252 3378 A
5220 V
(14863)210 648 A
(case)168 1530 A
(SYS_UMAP:)378 1740 A
2370(r)S
2454(=)S
(do_umap(&m);)504 2538 A
(break;)252 3378 A
5310 V
(14864)210 648 A
(case)168 1530 A
(SYS_TRACE:)420 1740 A
2370(r)S
2454(=)S
(do_trace(&m);)546 2538 A
(break;)252 3378 A
5400 V
(14865)210 648 A
(default:)336 1530 A
2370(r)S
2454(=)S
(E_BAD_FCN;)420 2538 A
5490 V
(14866)210 648 A
1362(})S
5580 V
(14867)210 648 A
5670 V
(14868)210 648 A
(m.m_type)336 1362 A
1740(=)S
1824(r;)S
2370(/*)S
('r')126 2496 A
(reports)294 2664 A
(status)252 3000 A
3294(of)S
(call)168 3420 A
3630(*/)S
5760 V
(14869)210 648 A
(send(m.m_source,)672 1362 A
(&m);)168 2076 A
2370(/*)S
(send)168 2496 A
(reply)210 2706 A
2958(to)S
(caller)252 3084 A
3378(*/)S
5850 V
(14870)210 648 A
1110(})S
5940 V
(14871)210 648 A
1026(})S
6210 V
(14874)210 648 A
(/*===========================================================================*)3276 1026 A
8418 V
EP
%%Page: 207 207
BP
/slant 0 def
/height 0 def
630 V
10 R
648(MINIX)S
976(SOURCE)S
1399(CODE)S
11 R
1993(File:)S
2226(src/kernel/system.c)S
12 B
(207)180 4248 A
900 V
7 LST
(14875)210 648 A
1068(*)S
(do_fork)294 2370 A
4260(*)S
990 V
(14876)210 648 A
(*===========================================================================*/)3276 1068 A
1080 V
(14877)210 648 A
(PRIVATE)294 1026 A
(int)126 1362 A
(do_fork(m_ptr))588 1530 A
1170 V
(14878)210 648 A
(register)336 1026 A
(message)294 1404 A
(*m_ptr;)294 1740 A
2370(/*)S
(pointer)294 2496 A
2832(to)S
(request)294 2958 A
(message)294 3294 A
3630(*/)S
1260 V
(14879)210 648 A
1026({)S
1350 V
(14880)210 648 A
1026(/*)S
(Handle)252 1152 A
(sys_fork().)462 1446 A
(m_ptr->PROC1)504 1992 A
(has)126 2538 A
(forked.)294 2706 A
(The)126 3084 A
(child)210 3252 A
3504(is)S
(m_ptr->PROC2.)546 3630 A
4218(*/)S
1440 V
(14881)210 648 A
1530 V
(14882)210 648 A
(reg_t)210 1110 A
(old_ldt_sel;)504 1362 A
1620 V
(14883)210 648 A
(register)336 1110 A
(struct)252 1488 A
(proc)168 1782 A
(*rpc;)210 1992 A
1710 V
(14884)210 648 A
(struct)252 1110 A
(proc)168 1404 A
(*rpp;)210 1614 A
1800 V
(14885)210 648 A
1890 V
(14886)210 648 A
1110(if)S
((!isoksusern(m_ptr->PROC1))1092 1236 A
2370(||)S
(!isoksusern(m_ptr->PROC2)))1092 2496 A
1980 V
(14887)210 648 A
(return(E_BAD_PROC);)798 1362 A
2070 V
(14888)210 648 A
(rpp)126 1110 A
1278(=)S
(proc_addr(m_ptr->PROC1);)1008 1362 A
2160 V
(14889)210 648 A
(rpc)126 1110 A
1278(=)S
(proc_addr(m_ptr->PROC2);)1008 1362 A
2250 V
(14890)210 648 A
2340 V
(14891)210 648 A
1110(/*)S
(Copy)168 1236 A
(parent)252 1446 A
('proc')252 1740 A
(struct)252 2034 A
2328(to)S
(child.)252 2454 A
2748(*/)S
2430 V
(14892)210 648 A
(old_ldt_sel)462 1110 A
1614(=)S
(rpc->p_ldt_sel;)630 1698 A
2370(/*)S
(stop)168 2496 A
(this)168 2706 A
(being)210 2916 A
(obliterated)462 3168 A
3672(by)S
(copy)168 3798 A
4008(*/)S
2520 V
(14893)210 648 A
2610 V
(14894)210 648 A
(*rpc)168 1110 A
1320(=)S
(*rpp;)210 1404 A
2370(/*)S
(copy)168 2496 A
('proc')252 2706 A
(struct)252 3000 A
3294(*/)S
2700 V
(14895)210 648 A
2790 V
(14896)210 648 A
(rpc->p_ldt_sel)588 1110 A
1740(=)S
(old_ldt_sel;)504 1824 A
2880 V
(14897)210 648 A
(rpc->p_nr)378 1110 A
1530(=)S
(m_ptr->PROC2;)546 1614 A
2370(/*)S
(this)168 2496 A
(was)126 2706 A
(obliterated)462 2874 A
3378(by)S
(copy)168 3504 A
3714(*/)S
2970 V
(14898)210 648 A
3060 V
(14899)210 648 A
(rpc->p_flags)504 1110 A
1656(|=)S
(NO_MAP;)294 1782 A
2370(/*)S
(inhibit)294 2496 A
(the)126 2832 A
(process)294 3000 A
(from)168 3336 A
(running)294 3546 A
3882(*/)S
3150 V
(14900)210 648 A
3240 V
(14901)210 648 A
(rpc->p_flags)504 1110 A
1656(&=)S
(304(PENDING)378 1782 A
2202(|)S
(SIG_PENDING)462 2286 A
2790(|)S
(P_STOP);)336 2874 A
3330 V
(14902)210 648 A
3420 V
(14903)210 648 A
1110(/*)S
(Only)168 1236 A
1446(1)S
1530(in)S
(group)210 1656 A
(should)252 1908 A
(have)168 2202 A
(PENDING,)336 2412 A
(child)210 2790 A
(does)168 3042 A
(not)126 3252 A
(inherit)294 3420 A
(trace)210 3756 A
(status*/)336 4008 A
3510 V
(14904)210 648 A
(sigemptyset(&rpc->p_pending);)1218 1110 A
3600 V
(14905)210 648 A
(rpc->p_pendcount)672 1110 A
1824(=)S
1908(0;)S
3690 V
(14906)210 648 A
(rpc->p_pid)420 1110 A
1572(=)S
(m_ptr->PID;)462 1656 A
2370(/*)S
(install)294 2496 A
(child's)294 2832 A
(pid)126 3168 A
3336(*/)S
3780 V
(14907)210 648 A
(rpc->p_reg.retreg)714 1110 A
1866(=)S
1950(0;)S
2370(/*)S
(child)210 2496 A
(sees)168 2748 A
(pid)126 2958 A
3126(=)S
3210(0)S
3294(to)S
(know)168 3420 A
3630(it)S
3756(is)S
(child)210 3882 A
4134(*/)S
3870 V
(14908)210 648 A
3960 V
(14909)210 648 A
(rpc->user_time)588 1110 A
1740(=)S
1824(0;)S
2370(/*)S
(set)126 2496 A
(all)126 2664 A
(the)126 2832 A
(accounting)420 3000 A
(times)210 3462 A
3714(to)S
3840(0)S
3924(*/)S
4050 V
(14910)210 648 A
(rpc->sys_time)546 1110 A
1698(=)S
1782(0;)S
4140 V
(14911)210 648 A
(rpc->child_utime)672 1110 A
1824(=)S
1908(0;)S
4230 V
(14912)210 648 A
(rpc->child_stime)672 1110 A
1824(=)S
1908(0;)S
4320 V
(14913)210 648 A
4410 V
(14914)210 648 A
(return(OK);)462 1110 A
4500 V
(14915)210 648 A
1026(})S
4770 V
(14918)210 648 A
(/*===========================================================================*)3276 1026 A
4860 V
(14919)210 648 A
1068(*)S
(do_newmap)378 2370 A
4260(*)S
4950 V
(14920)210 648 A
(*===========================================================================*/)3276 1068 A
5040 V
(14921)210 648 A
(PRIVATE)294 1026 A
(int)126 1362 A
(do_newmap(m_ptr))672 1530 A
5130 V
(14922)210 648 A
(message)294 1026 A
(*m_ptr;)294 1362 A
2370(/*)S
(pointer)294 2496 A
2832(to)S
(request)294 2958 A
(message)294 3294 A
3630(*/)S
5220 V
(14923)210 648 A
1026({)S
5310 V
(14924)210 648 A
1026(/*)S
(Handle)252 1152 A
(sys_newmap().)546 1446 A
(Fetch)210 2076 A
(the)126 2328 A
(memory)252 2496 A
(map)126 2790 A
(from)168 2958 A
(MM.)126 3168 A
3336(*/)S
5400 V
(14925)210 648 A
5490 V
(14926)210 648 A
(register)336 1110 A
(struct)252 1488 A
(proc)168 1782 A
(*rp;)168 1992 A
5580 V
(14927)210 648 A
(phys_bytes)420 1110 A
(src_phys;)378 1572 A
5670 V
(14928)210 648 A
(int)126 1110 A
(caller;)294 1278 A
2370(/*)S
(whose)210 2496 A
(space)210 2748 A
(has)126 3000 A
(the)126 3168 A
(new)126 3336 A
(map)126 3504 A
((usually)336 3672 A
(MM))126 4050 A
4218(*/)S
5760 V
(14929)210 648 A
(int)126 1110 A
1278(k;)S
2370(/*)S
(process)294 2496 A
(whose)210 2832 A
(map)126 3084 A
3252(is)S
3378(to)S
3504(be)S
(loaded)252 3630 A
3924(*/)S
5850 V
(14930)210 648 A
(int)126 1110 A
(old_flags;)420 1278 A
2370(/*)S
(value)210 2496 A
2748(of)S
(flags)210 2874 A
(before)252 3126 A
(modification)504 3420 A
3966(*/)S
5940 V
(14931)210 648 A
(struct)252 1110 A
(mem_map)294 1404 A
(*map_ptr;)378 1740 A
2370(/*)S
(virtual)294 2496 A
(address)294 2832 A
3168(of)S
(map)126 3294 A
(inside)252 3462 A
(caller)252 3756 A
((MM))168 4050 A
4260(*/)S
6030 V
(14932)210 648 A
6120 V
(14933)210 648 A
1110(/*)S
(Extract)294 1236 A
(message)294 1572 A
(parameters)420 1908 A
(and)126 2370 A
(copy)168 2538 A
(new)126 2748 A
(memory)252 2916 A
(map)126 3210 A
(from)168 3378 A
(MM.)126 3588 A
3756(*/)S
6210 V
(14934)210 648 A
(caller)252 1110 A
1404(=)S
(m_ptr->m_source;)672 1488 A
8418 V
EP
%%Page: 208 208
BP
/slant 0 def
/height 0 def
630 V
12 B
(208)180 648 A
11 R
1993(File:)S
2226(src/kernel/system.c)S
10 R
3402(MINIX)S
3730(SOURCE)S
4153(CODE)S
900 V
7 LST
(14935)210 648 A
1110(k)S
1194(=)S
(m_ptr->PROC1;)546 1278 A
990 V
(14936)210 648 A
(map_ptr)294 1110 A
1446(=)S
((struct)294 1530 A
(mem_map)294 1866 A
2202(*))S
(m_ptr->MEM_PTR;)630 2328 A
1080 V
(14937)210 648 A
1110(if)S
((!isokprocn(k)))630 1236 A
(return(E_BAD_PROC);)798 1908 A
1170 V
(14938)210 648 A
1110(rp)S
1236(=)S
(proc_addr(k);)546 1320 A
2370(/*)S
(ptr)126 2496 A
2664(to)S
(entry)210 2790 A
3042(of)S
(user)168 3168 A
(getting)294 3378 A
(new)126 3714 A
(map)126 3882 A
4050(*/)S
1260 V
(14939)210 648 A
1350 V
(14940)210 648 A
1110(/*)S
(Copy)168 1236 A
(the)126 1446 A
(map)126 1614 A
(from)168 1782 A
(MM.)126 1992 A
2160(*/)S
1440 V
(14941)210 648 A
(src_phys)336 1110 A
1488(=)S
(umap(proc_addr(caller),)966 1572 A
2580(D,)S
((vir_bytes))462 2706 A
(map_ptr,)336 3210 A
(sizeof(rp->p_map));)798 3588 A
1530 V
(14942)210 648 A
1110(if)S
((src_phys)378 1236 A
1656(==)S
1782(0))S
(panic("bad)420 1908 A
(call)168 2370 A
2580(to)S
(sys_newmap",)504 2706 A
(NO_NUM);)336 3252 A
1620 V
(14943)210 648 A
(phys_copy(src_phys,)798 1110 A
(vir2phys(rp->p_map),)840 1950 A
((phys_bytes))504 2832 A
(sizeof(rp->p_map));)798 3378 A
1710 V
(14944)210 648 A
1800 V
(14945)210 648 A
(alloc_segments(rp);)798 1110 A
1890 V
(14946)210 648 A
(old_flags)378 1110 A
1530(=)S
(rp->p_flags;)504 1614 A
2370(/*)S
(save)168 2496 A
(the)126 2706 A
(previous)336 2874 A
(value)210 3252 A
3504(of)S
(the)126 3630 A
(flags)210 3798 A
4050(*/)S
1980 V
(14947)210 648 A
(rp->p_flags)462 1110 A
1614(&=)S
(304NO_MAP;)336 1740 A
2070 V
(14948)210 648 A
1110(if)S
((old_flags)420 1236 A
1698(!=)S
1824(0)S
1908(&&)S
(rp->p_flags)462 2034 A
2538(==)S
2664(0))S
(lock_ready(rp);)630 2790 A
2160 V
(14949)210 648 A
2250 V
(14950)210 648 A
(return(OK);)462 1110 A
2340 V
(14951)210 648 A
1026(})S
2610 V
(14954)210 648 A
(/*===========================================================================*)3276 1026 A
2700 V
(14955)210 648 A
1068(*)S
(do_getmap)378 2370 A
4260(*)S
2790 V
(14956)210 648 A
(*===========================================================================*/)3276 1068 A
2880 V
(14957)210 648 A
(PRIVATE)294 1026 A
(int)126 1362 A
(do_getmap(m_ptr))672 1530 A
2970 V
(14958)210 648 A
(message)294 1026 A
(*m_ptr;)294 1362 A
2370(/*)S
(pointer)294 2496 A
2832(to)S
(request)294 2958 A
(message)294 3294 A
3630(*/)S
3060 V
(14959)210 648 A
1026({)S
3150 V
(14960)210 648 A
1026(/*)S
(Handle)252 1152 A
(sys_getmap().)546 1446 A
(Report)252 2076 A
(the)126 2370 A
(memory)252 2538 A
(map)126 2832 A
3000(to)S
(MM.)126 3126 A
3294(*/)S
3240 V
(14961)210 648 A
3330 V
(14962)210 648 A
(register)336 1110 A
(struct)252 1488 A
(proc)168 1782 A
(*rp;)168 1992 A
3420 V
(14963)210 648 A
(phys_bytes)420 1110 A
(dst_phys;)378 1572 A
3510 V
(14964)210 648 A
(int)126 1110 A
(caller;)294 1278 A
2370(/*)S
(where)210 2496 A
(the)126 2748 A
(map)126 2916 A
(has)126 3084 A
3252(to)S
3378(be)S
(stored)252 3504 A
3798(*/)S
3600 V
(14965)210 648 A
(int)126 1110 A
1278(k;)S
2370(/*)S
(process)294 2496 A
(whose)210 2832 A
(map)126 3084 A
3252(is)S
3378(to)S
3504(be)S
(loaded)252 3630 A
3924(*/)S
3690 V
(14966)210 648 A
(struct)252 1110 A
(mem_map)294 1404 A
(*map_ptr;)378 1740 A
2370(/*)S
(virtual)294 2496 A
(address)294 2832 A
3168(of)S
(map)126 3294 A
(inside)252 3462 A
(caller)252 3756 A
((MM))168 4050 A
4260(*/)S
3780 V
(14967)210 648 A
3870 V
(14968)210 648 A
1110(/*)S
(Extract)294 1236 A
(message)294 1572 A
(parameters)420 1908 A
(and)126 2370 A
(copy)168 2538 A
(new)126 2748 A
(memory)252 2916 A
(map)126 3210 A
3378(to)S
(MM.)126 3504 A
3672(*/)S
3960 V
(14969)210 648 A
(caller)252 1110 A
1404(=)S
(m_ptr->m_source;)672 1488 A
4050 V
(14970)210 648 A
1110(k)S
1194(=)S
(m_ptr->PROC1;)546 1278 A
4140 V
(14971)210 648 A
(map_ptr)294 1110 A
1446(=)S
((struct)294 1530 A
(mem_map)294 1866 A
2202(*))S
(m_ptr->MEM_PTR;)630 2328 A
4230 V
(14972)210 648 A
4320 V
(14973)210 648 A
1110(if)S
((!isokprocn(k)))630 1236 A
4410 V
(14974)210 648 A
(panic("do_getmap)672 1362 A
(got)126 2076 A
(bad)126 2244 A
(proc:)210 2412 A
2664(",)S
(m_ptr->PROC1);)588 2790 A
4500 V
(14975)210 648 A
4590 V
(14976)210 648 A
1110(rp)S
1236(=)S
(proc_addr(k);)546 1320 A
2370(/*)S
(ptr)126 2496 A
2664(to)S
(entry)210 2790 A
3042(of)S
(the)126 3168 A
(map)126 3336 A
3504(*/)S
4680 V
(14977)210 648 A
4770 V
(14978)210 648 A
1110(/*)S
(Copy)168 1236 A
(the)126 1446 A
(map)126 1614 A
1782(to)S
(MM.)126 1908 A
2076(*/)S
4860 V
(14979)210 648 A
(dst_phys)336 1110 A
1488(=)S
(umap(proc_addr(caller),)966 1572 A
2580(D,)S
((vir_bytes))462 2706 A
(map_ptr,)336 3210 A
(sizeof(rp->p_map));)798 3588 A
4950 V
(14980)210 648 A
1110(if)S
((dst_phys)378 1236 A
1656(==)S
1782(0))S
(panic("bad)420 1908 A
(call)168 2370 A
2580(to)S
(sys_getmap",)504 2706 A
(NO_NUM);)336 3252 A
5040 V
(14981)210 648 A
(phys_copy(vir2phys(rp->p_map),)1260 1110 A
(dst_phys,)378 2412 A
(sizeof(rp->p_map));)798 2832 A
5130 V
(14982)210 648 A
5220 V
(14983)210 648 A
(return(OK);)462 1110 A
5310 V
(14984)210 648 A
1026(})S
5580 V
(14987)210 648 A
(/*===========================================================================*)3276 1026 A
5670 V
(14988)210 648 A
1068(*)S
(do_exec)294 2370 A
4260(*)S
5760 V
(14989)210 648 A
(*===========================================================================*/)3276 1068 A
5850 V
(14990)210 648 A
(PRIVATE)294 1026 A
(int)126 1362 A
(do_exec(m_ptr))588 1530 A
5940 V
(14991)210 648 A
(register)336 1026 A
(message)294 1404 A
(*m_ptr;)294 1740 A
2370(/*)S
(pointer)294 2496 A
2832(to)S
(request)294 2958 A
(message)294 3294 A
3630(*/)S
6030 V
(14992)210 648 A
1026({)S
6120 V
(14993)210 648 A
1026(/*)S
(Handle)252 1152 A
(sys_exec().)462 1446 A
1992(A)S
(process)294 2076 A
(has)126 2412 A
(done)168 2580 A
2790(a)S
(successful)420 2874 A
(EXEC.)210 3336 A
(Patch)210 3588 A
3840(it)S
(up.)126 3966 A
4134(*/)S
6210 V
(14994)210 648 A
8418 V
EP
%%Page: 209 209
BP
/slant 0 def
/height 0 def
630 V
10 R
648(MINIX)S
976(SOURCE)S
1399(CODE)S
11 R
1993(File:)S
2226(src/kernel/system.c)S
12 B
(209)180 4248 A
900 V
7 LST
(14995)210 648 A
(register)336 1110 A
(struct)252 1488 A
(proc)168 1782 A
(*rp;)168 1992 A
990 V
(14996)210 648 A
(reg_t)210 1110 A
(sp;)126 1362 A
2370(/*)S
(new)126 2496 A
2664(sp)S
2790(*/)S
1080 V
(14997)210 648 A
(phys_bytes)420 1110 A
(phys_name;)420 1572 A
1170 V
(14998)210 648 A
(char)168 1110 A
(*np;)168 1320 A
1260 V
(14999)210 648 A
(#define)294 1026 A
(NLEN)168 1362 A
((sizeof(rp->p_name)-1))924 1572 A
1350 V
(15000)210 648 A
1440 V
(15001)210 648 A
1110(if)S
((!isoksusern(m_ptr->PROC1)))1134 1236 A
(return)252 2412 A
(E_BAD_PROC;)462 2706 A
1530 V
(15002)210 648 A
1110(/*)S
(PROC2)210 1236 A
(field)210 1488 A
1740(is)S
(used)168 1866 A
2076(as)S
(flag)168 2202 A
2412(to)S
(indicate)336 2538 A
(process)294 2916 A
3252(is)S
(being)210 3378 A
(traced)252 3630 A
3924(*/)S
1620 V
(15003)210 648 A
1110(if)S
((m_ptr->PROC2))588 1236 A
(cause_sig(m_ptr->PROC1,)966 1866 A
(SIGTRAP);)378 2874 A
1710 V
(15004)210 648 A
1110(sp)S
1236(=)S
((reg_t))294 1320 A
(m_ptr->STACK_PTR;)714 1656 A
1800 V
(15005)210 648 A
1110(rp)S
1236(=)S
(proc_addr(m_ptr->PROC1);)1008 1320 A
1890 V
(15006)210 648 A
(rp->p_reg.sp)504 1110 A
1656(=)S
(sp;)126 1740 A
2370(/*)S
(set)126 2496 A
(the)126 2664 A
(stack)210 2832 A
(pointer)294 3084 A
3420(*/)S
1980 V
(15007)210 648 A
(rp->p_reg.pc)504 1110 A
1656(=)S
((reg_t))294 1740 A
(m_ptr->IP_PTR;)588 2076 A
2706(/*)S
(set)126 2832 A
3000(pc)S
3126(*/)S
2070 V
(15008)210 648 A
(rp->p_alarm)462 1110 A
1614(=)S
1698(0;)S
2370(/*)S
(reset)210 2496 A
(alarm)210 2748 A
(timer)210 3000 A
3252(*/)S
2160 V
(15009)210 648 A
(rp->p_flags)462 1110 A
1614(&=)S
(304RECEIVING;)462 1740 A
2370(/*)S
2496(MM)S
(does)168 2622 A
(not)126 2832 A
(reply)210 3000 A
3252(to)S
(EXEC)168 3378 A
(call)168 3588 A
3798(*/)S
2250 V
(15010)210 648 A
1110(if)S
((rp->p_flags)504 1236 A
1782(==)S
1908(0))S
(lock_ready(rp);)630 2034 A
2340 V
(15011)210 648 A
2430 V
(15012)210 648 A
1110(/*)S
(Save)168 1236 A
(command)294 1446 A
(name)168 1782 A
(for)126 1992 A
(debugging,)420 2160 A
(ps(1))210 2622 A
(output,)294 2874 A
(etc.)168 3210 A
3420(*/)S
2520 V
(15013)210 648 A
(phys_name)378 1110 A
1530(=)S
(numap(m_ptr->m_source,)924 1614 A
((vir_bytes))462 2580 A
(m_ptr->NAME_PTR,)672 3084 A
2610 V
(15014)210 648 A
((vir_bytes))462 3378 A
(NLEN);)252 3882 A
2700 V
(15015)210 648 A
1110(if)S
((phys_name)420 1236 A
1698(!=)S
1824(0))S
1950({)S
2790 V
(15016)210 648 A
(phys_copy(phys_name,)840 1362 A
(vir2phys(rp->p_name),)882 2244 A
((phys_bytes))504 3168 A
(NLEN);)252 3714 A
2880 V
(15017)210 648 A
(for)126 1362 A
((np)126 1530 A
1698(=)S
(rp->p_name;)462 1782 A
((*np)168 2286 A
2496(&)S
(BYTE))210 2580 A
2832(>=)S
2958(')S
3042(';)S
(np++))210 3168 A
3420({})S
2970 V
(15018)210 648 A
(*np)126 1362 A
1530(=)S
1614(0;)S
3060 V
(15019)210 648 A
1110(})S
3150 V
(15020)210 648 A
(return(OK);)462 1110 A
3240 V
(15021)210 648 A
1026(})S
3510 V
(15024)210 648 A
(/*===========================================================================*)3276 1026 A
3600 V
(15025)210 648 A
1068(*)S
(do_xit)252 2370 A
4260(*)S
3690 V
(15026)210 648 A
(*===========================================================================*/)3276 1068 A
3780 V
(15027)210 648 A
(PRIVATE)294 1026 A
(int)126 1362 A
(do_xit(m_ptr))546 1530 A
3870 V
(15028)210 648 A
(message)294 1026 A
(*m_ptr;)294 1362 A
2370(/*)S
(pointer)294 2496 A
2832(to)S
(request)294 2958 A
(message)294 3294 A
3630(*/)S
3960 V
(15029)210 648 A
1026({)S
4050 V
(15030)210 648 A
1026(/*)S
(Handle)252 1152 A
(sys_xit().)420 1446 A
1950(A)S
(process)294 2034 A
(has)126 2370 A
(exited.)294 2538 A
2874(*/)S
4140 V
(15031)210 648 A
4230 V
(15032)210 648 A
(register)336 1110 A
(struct)252 1488 A
(proc)168 1782 A
(*rp,)168 1992 A
(*rc;)168 2202 A
4320 V
(15033)210 648 A
(struct)252 1110 A
(proc)168 1404 A
(*np,)168 1614 A
(*xp;)168 1824 A
4410 V
(15034)210 648 A
(int)126 1110 A
(parent;)294 1278 A
2370(/*)S
(number)252 2496 A
2790(of)S
(exiting)294 2916 A
(proc's)252 3252 A
(parent)252 3546 A
3840(*/)S
4500 V
(15035)210 648 A
(int)126 1110 A
(proc_nr;)336 1278 A
2370(/*)S
(number)252 2496 A
2790(of)S
(process)294 2916 A
(doing)210 3252 A
(the)126 3504 A
(exit)168 3672 A
3882(*/)S
4590 V
(15036)210 648 A
(phys_clicks)462 1110 A
(base,)210 1614 A
(size;)210 1866 A
4680 V
(15037)210 648 A
4770 V
(15038)210 648 A
(parent)252 1110 A
1404(=)S
(m_ptr->PROC1;)546 1488 A
2370(/*)S
(slot)168 2496 A
(number)252 2706 A
3000(of)S
(parent)252 3126 A
(process)294 3420 A
3756(*/)S
4860 V
(15039)210 648 A
(proc_nr)294 1110 A
1446(=)S
(m_ptr->PROC2;)546 1530 A
2370(/*)S
(slot)168 2496 A
(number)252 2706 A
3000(of)S
(exiting)294 3126 A
(process)294 3462 A
3798(*/)S
4950 V
(15040)210 648 A
1110(if)S
((!isoksusern(parent))840 1236 A
2118(||)S
(!isoksusern(proc_nr)))882 2244 A
(return(E_BAD_PROC);)798 3168 A
5040 V
(15041)210 648 A
1110(rp)S
1236(=)S
(proc_addr(parent);)756 1320 A
5130 V
(15042)210 648 A
1110(rc)S
1236(=)S
(proc_addr(proc_nr);)798 1320 A
5220 V
(15043)210 648 A
(lock();)294 1110 A
5310 V
(15044)210 648 A
(rp->child_utime)630 1110 A
1782(+=)S
(rc->user_time)546 1908 A
2496(+)S
(rc->child_utime;)672 2580 A
3378(/*)S
(accum)210 3504 A
(child)210 3756 A
(times)210 4008 A
4260(*/)S
5400 V
(15045)210 648 A
(rp->child_stime)630 1110 A
1782(+=)S
(rc->sys_time)504 1908 A
2454(+)S
(rc->child_stime;)672 2538 A
5490 V
(15046)210 648 A
(unlock();)378 1110 A
5580 V
(15047)210 648 A
(rc->p_alarm)462 1110 A
1614(=)S
1698(0;)S
2370(/*)S
(turn)168 2496 A
(off)126 2706 A
(alarm)210 2874 A
(timer)210 3126 A
3378(*/)S
5670 V
(15048)210 648 A
1110(if)S
((rc->p_flags)504 1236 A
1782(==)S
1908(0))S
(lock_unready(rc);)714 2034 A
5760 V
(15049)210 648 A
5850 V
(15050)210 648 A
(strcpy(rc->p_name,)756 1110 A
("<noname>");)504 1908 A
2706(/*)S
(process)294 2832 A
3168(no)S
(longer)252 3294 A
(has)126 3588 A
3756(a)S
(name)168 3840 A
4050(*/)S
5940 V
(15051)210 648 A
6030 V
(15052)210 648 A
1110(/*)S
1236(If)S
(the)126 1362 A
(process)294 1530 A
(being)210 1866 A
(terminated)420 2118 A
(happens)294 2580 A
2916(to)S
3042(be)S
(queued)252 3168 A
(trying)252 3462 A
3756(to)S
(send)168 3882 A
4092(a)S
6120 V
(15053)210 648 A
1152(*)S
(message)294 1236 A
((i.e.,)252 1572 A
(the)126 1866 A
(process)294 2034 A
(was)126 2370 A
(killed)252 2538 A
2832(by)S
2958(a)S
(signal,)294 3042 A
(rather)252 3378 A
(than)168 3672 A
3882(it)S
(doing)210 4008 A
4260(an)S
6210 V
(15054)210 648 A
1152(*)S
(EXIT),)252 1236 A
(then)168 1530 A
1740(it)S
(must)168 1866 A
2076(be)S
(removed)294 2202 A
(from)168 2538 A
(the)126 2748 A
(message)294 2916 A
(queues.)294 3252 A
8418 V
EP
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/slant 0 def
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630 V
12 B
(210)180 648 A
11 R
1993(File:)S
2226(src/kernel/system.c)S
10 R
3402(MINIX)S
3730(SOURCE)S
4153(CODE)S
900 V
7 LST
(15055)210 648 A
1152(*/)S
990 V
(15056)210 648 A
1110(if)S
((rc->p_flags)504 1236 A
1782(&)S
(SENDING))336 1866 A
2244({)S
1080 V
(15057)210 648 A
1362(/*)S
(Check)210 1488 A
(all)126 1740 A
(proc)168 1908 A
(slots)210 2118 A
2370(to)S
(see)126 2496 A
2664(if)S
(the)126 2790 A
(exiting)294 2958 A
(process)294 3294 A
3630(is)S
(queued.)294 3756 A
4092(*/)S
1170 V
(15058)210 648 A
(for)126 1362 A
((rp)126 1530 A
1698(=)S
(BEG_PROC_ADDR;)588 1782 A
2412(rp)S
2538(<)S
(END_PROC_ADDR;)588 2622 A
(rp++))210 3252 A
3504({)S
1260 V
(15059)210 648 A
1698(if)S
((rp->p_callerq)588 1824 A
2454(==)S
(NIL_PROC))378 2580 A
(continue;)378 3000 A
1350 V
(15060)210 648 A
1698(if)S
((rp->p_callerq)588 1824 A
2454(==)S
(rc))126 2580 A
2748({)S
1440 V
(15061)210 648 A
2034(/*)S
(Exiting)294 2160 A
(process)294 2496 A
2832(is)S
2958(on)S
(front)210 3084 A
3336(of)S
(this)168 3462 A
(queue.)252 3672 A
3966(*/)S
1530 V
(15062)210 648 A
(rp->p_callerq)546 2034 A
2622(=)S
(rc->p_sendlink;)630 2706 A
1620 V
(15063)210 648 A
(break;)252 2034 A
1710 V
(15064)210 648 A
1698(})S
(else)168 1782 A
1992({)S
1800 V
(15065)210 648 A
2034(/*)S
(See)126 2160 A
2328(if)S
(exiting)294 2454 A
(process)294 2790 A
3126(is)S
3252(in)S
(middle)252 3378 A
3672(of)S
(queue.)252 3798 A
4092(*/)S
1890 V
(15066)210 648 A
2034(np)S
2160(=)S
(rp->p_callerq;)588 2244 A
1980 V
(15067)210 648 A
(while)210 2034 A
2286(()S
2370(()S
2454(xp)S
2580(=)S
(np->p_sendlink))630 2664 A
3336(!=)S
(NIL_PROC))378 3462 A
2070 V
(15068)210 648 A
2370(if)S
((xp)126 2496 A
2664(==)S
(rc))126 2790 A
2958({)S
2160 V
(15069)210 648 A
(np->p_sendlink)588 2706 A
3336(=)S
(xp->p_sendlink;)630 3420 A
2250 V
(15070)210 648 A
(break;)252 2706 A
2340 V
(15071)210 648 A
2370(})S
(else)168 2454 A
2664({)S
2430 V
(15072)210 648 A
2706(np)S
2832(=)S
(xp;)126 2916 A
2520 V
(15073)210 648 A
2370(})S
2610 V
(15074)210 648 A
1698(})S
2700 V
(15075)210 648 A
1362(})S
2790 V
(15076)210 648 A
1110(})S
2880 V
(15077)210 648 A
2970 V
(15078)210 648 A
1110(if)S
((rc->p_flags)504 1236 A
1782(&)S
(PENDING))336 1866 A
(--sig_procs;)504 2244 A
3060 V
(15079)210 648 A
(sigemptyset(&rc->p_pending);)1176 1110 A
3150 V
(15080)210 648 A
(rc->p_pendcount)630 1110 A
1782(=)S
1866(0;)S
3240 V
(15081)210 648 A
(rc->p_flags)462 1110 A
1614(=)S
(P_SLOT_FREE;)504 1698 A
3330 V
(15082)210 648 A
(return(OK);)462 1110 A
3420 V
(15083)210 648 A
1026(})S
3690 V
(15086)210 648 A
(/*===========================================================================*)3276 1026 A
3780 V
(15087)210 648 A
1068(*)S
(do_getsp)336 2370 A
4260(*)S
3870 V
(15088)210 648 A
(*===========================================================================*/)3276 1068 A
3960 V
(15089)210 648 A
(PRIVATE)294 1026 A
(int)126 1362 A
(do_getsp(m_ptr))630 1530 A
4050 V
(15090)210 648 A
(register)336 1026 A
(message)294 1404 A
(*m_ptr;)294 1740 A
2370(/*)S
(pointer)294 2496 A
2832(to)S
(request)294 2958 A
(message)294 3294 A
3630(*/)S
4140 V
(15091)210 648 A
1026({)S
4230 V
(15092)210 648 A
1026(/*)S
(Handle)252 1152 A
(sys_getsp().)504 1446 A
2034(MM)S
(wants)210 2160 A
2412(to)S
(know)168 2538 A
(what)168 2748 A
2958(sp)S
(is.)126 3084 A
3252(*/)S
4320 V
(15093)210 648 A
4410 V
(15094)210 648 A
(register)336 1110 A
(struct)252 1488 A
(proc)168 1782 A
(*rp;)168 1992 A
4500 V
(15095)210 648 A
4590 V
(15096)210 648 A
1110(if)S
((!isoksusern(m_ptr->PROC1)))1134 1236 A
(return(E_BAD_PROC);)798 2412 A
4680 V
(15097)210 648 A
1110(rp)S
1236(=)S
(proc_addr(m_ptr->PROC1);)1008 1320 A
4770 V
(15098)210 648 A
(m_ptr->STACK_PTR)672 1110 A
1824(=)S
((char)210 1908 A
2160(*))S
(rp->p_reg.sp;)546 2286 A
3042(/*)S
(return)252 3168 A
3462(sp)S
(here)168 3588 A
((bad)168 3798 A
(type))210 4008 A
4260(*/)S
4860 V
(15099)210 648 A
(return(OK);)462 1110 A
4950 V
(15100)210 648 A
1026(})S
5220 V
(15103)210 648 A
(/*===========================================================================*)3276 1026 A
5310 V
(15104)210 648 A
1068(*)S
(do_times)336 2370 A
4260(*)S
5400 V
(15105)210 648 A
(*===========================================================================*/)3276 1068 A
5490 V
(15106)210 648 A
(PRIVATE)294 1026 A
(int)126 1362 A
(do_times(m_ptr))630 1530 A
5580 V
(15107)210 648 A
(register)336 1026 A
(message)294 1404 A
(*m_ptr;)294 1740 A
2370(/*)S
(pointer)294 2496 A
2832(to)S
(request)294 2958 A
(message)294 3294 A
3630(*/)S
5670 V
(15108)210 648 A
1026({)S
5760 V
(15109)210 648 A
1026(/*)S
(Handle)252 1152 A
(sys_times().)504 1446 A
(Retrieve)336 2034 A
(the)126 2412 A
(accounting)420 2580 A
(information.)504 3042 A
3588(*/)S
5850 V
(15110)210 648 A
5940 V
(15111)210 648 A
(register)336 1110 A
(struct)252 1488 A
(proc)168 1782 A
(*rp;)168 1992 A
6030 V
(15112)210 648 A
6120 V
(15113)210 648 A
1110(if)S
((!isoksusern(m_ptr->PROC1)))1134 1236 A
(return)252 2412 A
(E_BAD_PROC;)462 2706 A
6210 V
(15114)210 648 A
1110(rp)S
1236(=)S
(proc_addr(m_ptr->PROC1);)1008 1320 A
8418 V
EP
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/slant 0 def
/height 0 def
630 V
10 R
648(MINIX)S
976(SOURCE)S
1399(CODE)S
11 R
1993(File:)S
2226(src/kernel/system.c)S
12 B
(211)180 4248 A
900 V
7 LST
(15115)210 648 A
990 V
(15116)210 648 A
1110(/*)S
(Insert)252 1236 A
(the)126 1530 A
(times)210 1698 A
(needed)252 1950 A
2244(by)S
(the)126 2370 A
(TIMES)210 2538 A
(system)252 2790 A
(call)168 3084 A
3294(in)S
(the)126 3420 A
(message.)336 3588 A
3966(*/)S
1080 V
(15117)210 648 A
(lock();)294 1110 A
2370(/*)S
(halt)168 2496 A
(the)126 2706 A
(volatile)336 2874 A
(time)168 3252 A
(counters)336 3462 A
3840(in)S
3966(rp)S
4092(*/)S
1170 V
(15118)210 648 A
(m_ptr->USER_TIME)672 1110 A
1908(=)S
(rp->user_time;)588 1992 A
1260 V
(15119)210 648 A
(m_ptr->SYSTEM_TIME)756 1110 A
1908(=)S
(rp->sys_time;)546 1992 A
1350 V
(15120)210 648 A
(unlock();)378 1110 A
1440 V
(15121)210 648 A
(m_ptr->CHILD_UTIME)756 1110 A
1908(=)S
(rp->child_utime;)672 1992 A
1530 V
(15122)210 648 A
(m_ptr->CHILD_STIME)756 1110 A
1908(=)S
(rp->child_stime;)672 1992 A
1620 V
(15123)210 648 A
(m_ptr->BOOT_TICKS)714 1110 A
1908(=)S
(get_uptime();)546 1992 A
1710 V
(15124)210 648 A
(return(OK);)462 1110 A
1800 V
(15125)210 648 A
1026(})S
2070 V
(15128)210 648 A
(/*===========================================================================*)3276 1026 A
2160 V
(15129)210 648 A
1068(*)S
(do_abort)336 2370 A
4260(*)S
2250 V
(15130)210 648 A
(*===========================================================================*/)3276 1068 A
2340 V
(15131)210 648 A
(PRIVATE)294 1026 A
(int)126 1362 A
(do_abort(m_ptr))630 1530 A
2430 V
(15132)210 648 A
(message)294 1026 A
(*m_ptr;)294 1362 A
2370(/*)S
(pointer)294 2496 A
2832(to)S
(request)294 2958 A
(message)294 3294 A
3630(*/)S
2520 V
(15133)210 648 A
1026({)S
2610 V
(15134)210 648 A
1026(/*)S
(Handle)252 1152 A
(sys_abort.)420 1446 A
(MINIX)210 1950 A
2202(is)S
(unable)252 2328 A
2622(to)S
(continue.)378 2748 A
(Terminate)378 3210 A
(operation.)420 3630 A
4092(*/)S
2700 V
(15135)210 648 A
(char)168 1110 A
(monitor_code[64];)714 1320 A
2790 V
(15136)210 648 A
(phys_bytes)420 1110 A
(src_phys;)378 1572 A
2880 V
(15137)210 648 A
2970 V
(15138)210 648 A
1110(if)S
((m_ptr->m1_i1)546 1236 A
1824(==)S
(RBT_MONITOR))504 1950 A
2496({)S
3060 V
(15139)210 648 A
1362(/*)S
(The)126 1488 A
(monitor)294 1656 A
1992(is)S
2118(to)S
(run)126 2244 A
(user)168 2412 A
(specified)378 2622 A
(instructions.)546 3042 A
3630(*/)S
3150 V
(15140)210 648 A
(src_phys)336 1362 A
1740(=)S
(numap(m_ptr->m_source,)924 1824 A
((vir_bytes))462 2790 A
(m_ptr->m1_p1,)546 3294 A
3240 V
(15141)210 648 A
((vir_bytes))462 2706 A
(sizeof(monitor_code));)924 3210 A
3330 V
(15142)210 648 A
1362(if)S
((src_phys)378 1488 A
1908(==)S
2034(0))S
(panic("bad)420 2160 A
(monitor)294 2622 A
(code)168 2958 A
(from",)252 3168 A
(m_ptr->m_source);)714 3462 A
3420 V
(15143)210 648 A
(phys_copy(src_phys,)798 1362 A
(vir2phys(monitor_code),)966 2202 A
3510 V
(15144)210 648 A
((phys_bytes))504 2706 A
(sizeof(monitor_code));)924 3252 A
3600 V
(15145)210 648 A
(reboot_code)462 1362 A
1866(=)S
(vir2phys(monitor_code);)966 1950 A
3690 V
(15146)210 648 A
1110(})S
3780 V
(15147)210 648 A
(wreboot(m_ptr->m1_i1);)924 1110 A
3870 V
(15148)210 648 A
(return(OK);)462 1110 A
2370(/*)S
(pro-forma)378 2496 A
((really)294 2916 A
(EDISASTER))420 3252 A
3714(*/)S
3960 V
(15149)210 648 A
1026(})S
4410 V
(15154)210 648 A
(/*===========================================================================*)3276 1026 A
4500 V
(15155)210 648 A
1068(*)S
(do_sendsig)420 2286 A
4260(*)S
4590 V
(15156)210 648 A
(*===========================================================================*/)3276 1068 A
4680 V
(15157)210 648 A
(PRIVATE)294 1026 A
(int)126 1362 A
(do_sendsig(m_ptr))714 1530 A
4770 V
(15158)210 648 A
(message)294 1026 A
(*m_ptr;)294 1362 A
2370(/*)S
(pointer)294 2496 A
2832(to)S
(request)294 2958 A
(message)294 3294 A
3630(*/)S
4860 V
(15159)210 648 A
1026({)S
4950 V
(15160)210 648 A
1026(/*)S
(Handle)252 1152 A
(sys_sendsig,)504 1446 A
(POSIX-style)462 1992 A
(signal)252 2496 A
2790(*/)S
5040 V
(15161)210 648 A
5130 V
(15162)210 648 A
(struct)252 1110 A
(sigmsg)252 1404 A
(smsg;)210 1698 A
5220 V
(15163)210 648 A
(register)336 1110 A
(struct)252 1488 A
(proc)168 1782 A
(*rp;)168 1992 A
5310 V
(15164)210 648 A
(phys_bytes)420 1110 A
(src_phys,)378 1572 A
(dst_phys;)378 1992 A
5400 V
(15165)210 648 A
(struct)252 1110 A
(sigcontext)420 1404 A
(sc,)126 1866 A
(*scp;)210 2034 A
5490 V
(15166)210 648 A
(struct)252 1110 A
(sigframe)336 1404 A
(fr,)126 1782 A
(*frp;)210 1950 A
5580 V
(15167)210 648 A
5670 V
(15168)210 648 A
1110(if)S
((!isokusern(m_ptr->PROC1)))1092 1236 A
(return(E_BAD_PROC);)798 2370 A
5760 V
(15169)210 648 A
1110(rp)S
1236(=)S
(proc_addr(m_ptr->PROC1);)1008 1320 A
5850 V
(15170)210 648 A
5940 V
(15171)210 648 A
1110(/*)S
(Get)126 1236 A
(the)126 1404 A
(sigmsg)252 1572 A
(structure)378 1866 A
(into)168 2286 A
(our)126 2496 A
(address)294 2664 A
(space.)252 3000 A
3336(*/)S
6030 V
(15172)210 648 A
(src_phys)336 1110 A
1488(=)S
(umap(proc_addr(MM_PROC_NR),)1134 1572 A
2748(D,)S
((vir_bytes))462 2874 A
(m_ptr->SIG_CTXT_PTR,)840 3378 A
6120 V
(15173)210 648 A
((vir_bytes))462 1782 A
(sizeof(struct)546 2286 A
(sigmsg));)378 2874 A
6210 V
(15174)210 648 A
1110(if)S
((src_phys)378 1236 A
1656(==)S
1782(0))S
8418 V
EP
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/slant 0 def
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630 V
12 B
(212)180 648 A
11 R
1993(File:)S
2226(src/kernel/system.c)S
10 R
3402(MINIX)S
3730(SOURCE)S
4153(CODE)S
900 V
7 LST
(15175)210 648 A
(panic("do_sendsig)714 1362 A
(can't)210 2118 A
(signal:)294 2370 A
(bad)126 2706 A
(sigmsg)252 2874 A
(address)294 3168 A
(from)168 3504 A
(MM",)168 3714 A
(NO_NUM);)336 3924 A
990 V
(15176)210 648 A
(phys_copy(src_phys,)798 1110 A
(vir2phys(&smsg),)672 1950 A
((phys_bytes))504 2664 A
(sizeof(struct)546 3210 A
(sigmsg));)378 3798 A
1080 V
(15177)210 648 A
1170 V
(15178)210 648 A
1110(/*)S
(Compute)294 1236 A
(the)126 1572 A
(usr)126 1740 A
(stack)210 1908 A
(pointer)294 2160 A
(value)210 2496 A
(where)210 2748 A
(sigcontext)420 3000 A
(will)168 3462 A
3672(be)S
(stored.)294 3798 A
4134(*/)S
1260 V
(15179)210 648 A
(scp)126 1110 A
1278(=)S
((struct)294 1362 A
(sigcontext)420 1698 A
2160(*))S
(smsg.sm_stkptr)588 2286 A
2916(-)S
3000(1;)S
1350 V
(15180)210 648 A
1440 V
(15181)210 648 A
1110(/*)S
(Copy)168 1236 A
(the)126 1446 A
(registers)378 1614 A
2034(to)S
(the)126 2160 A
(sigcontext)420 2328 A
(structure.)420 2790 A
3252(*/)S
1530 V
(15182)210 648 A
(memcpy(&sc.sc_regs,)798 1110 A
(&rp->p_reg,)462 1950 A
(sizeof(struct)546 2454 A
(sigregs));)420 3042 A
1620 V
(15183)210 648 A
1710 V
(15184)210 648 A
1110(/*)S
(Finish)252 1236 A
(the)126 1530 A
(sigcontext)420 1698 A
(initialization.)630 2160 A
2832(*/)S
1800 V
(15185)210 648 A
(sc.sc_flags)462 1110 A
1614(=)S
(SC_SIGCONTEXT;)588 1698 A
1890 V
(15186)210 648 A
1980 V
(15187)210 648 A
(sc.sc_mask)420 1110 A
1572(=)S
(smsg.sm_mask;)546 1656 A
2070 V
(15188)210 648 A
2160 V
(15189)210 648 A
1110(/*)S
(Copy)168 1236 A
(the)126 1446 A
(sigcontext)420 1614 A
(structure)378 2076 A
2496(to)S
(the)126 2622 A
(user's)252 2790 A
(stack.)252 3084 A
3378(*/)S
2250 V
(15190)210 648 A
(dst_phys)336 1110 A
1488(=)S
(umap(rp,)336 1572 A
1950(D,)S
((vir_bytes))462 2076 A
(scp,)168 2580 A
2340 V
(15191)210 648 A
((vir_bytes))462 1782 A
(sizeof(struct)546 2286 A
(sigcontext));)546 2874 A
2430 V
(15192)210 648 A
1110(if)S
((dst_phys)378 1236 A
1656(==)S
1782(0))S
(return(EFAULT);)630 1908 A
2520 V
(15193)210 648 A
(phys_copy(vir2phys(&sc),)1008 1110 A
(dst_phys,)378 2160 A
((phys_bytes))504 2580 A
(sizeof(struct)546 3126 A
(sigcontext));)546 3714 A
2610 V
(15194)210 648 A
2700 V
(15195)210 648 A
1110(/*)S
(Initialize)420 1236 A
(the)126 1698 A
(sigframe)336 1866 A
(structure.)420 2244 A
2706(*/)S
2790 V
(15196)210 648 A
(frp)126 1110 A
1278(=)S
((struct)294 1362 A
(sigframe)336 1698 A
2076(*))S
(scp)126 2202 A
2370(-)S
2454(1;)S
2880 V
(15197)210 648 A
(fr.sf_scpcopy)546 1110 A
1698(=)S
(scp;)168 1782 A
2970 V
(15198)210 648 A
(fr.sf_retadr2=)588 1110 A
((void)210 1740 A
((*)()))252 1992 A
(rp->p_reg.pc;)546 2286 A
3060 V
(15199)210 648 A
(fr.sf_fp)336 1110 A
1488(=)S
(rp->p_reg.fp;)546 1572 A
3150 V
(15200)210 648 A
(rp->p_reg.fp)504 1110 A
1656(=)S
((reg_t))294 1740 A
(&frp->sf_fp;)504 2076 A
3240 V
(15201)210 648 A
(fr.sf_scp)378 1110 A
1530(=)S
(scp;)168 1614 A
3330 V
(15202)210 648 A
(fr.sf_code)420 1110 A
1572(=)S
1656(0;)S
2034(/*)S
(XXX)126 2160 A
2328(-)S
(should)252 2412 A
2706(be)S
(used)168 2832 A
(for)126 3042 A
(type)168 3210 A
3420(of)S
3546(FP)S
(exception)378 3672 A
4092(*/)S
3420 V
(15203)210 648 A
(fr.sf_signo)462 1110 A
1614(=)S
(smsg.sm_signo;)588 1698 A
3510 V
(15204)210 648 A
(fr.sf_retadr)504 1110 A
1656(=)S
((void)210 1740 A
((*)()))252 1992 A
(smsg.sm_sigreturn;)756 2286 A
3600 V
(15205)210 648 A
3690 V
(15206)210 648 A
1110(/*)S
(Copy)168 1236 A
(the)126 1446 A
(sigframe)336 1614 A
(structure)378 1992 A
2412(to)S
(the)126 2538 A
(user's)252 2706 A
(stack.)252 3000 A
3294(*/)S
3780 V
(15207)210 648 A
(dst_phys)336 1110 A
1488(=)S
(umap(rp,)336 1572 A
1950(D,)S
((vir_bytes))462 2076 A
(frp,)168 2580 A
((vir_bytes))462 2790 A
(sizeof(struct)546 3294 A
(sigframe));)462 3882 A
3870 V
(15208)210 648 A
1110(if)S
((dst_phys)378 1236 A
1656(==)S
1782(0))S
(return(EFAULT);)630 1908 A
3960 V
(15209)210 648 A
(phys_copy(vir2phys(&fr),)1008 1110 A
(dst_phys,)378 2160 A
((phys_bytes))504 2580 A
(sizeof(struct)546 3126 A
(sigframe));)462 3714 A
4050 V
(15210)210 648 A
4140 V
(15211)210 648 A
1110(/*)S
(Reset)210 1236 A
(user)168 1488 A
(registers)378 1698 A
2118(to)S
(execute)294 2244 A
(the)126 2580 A
(signal)252 2748 A
(handler.)336 3042 A
3420(*/)S
4230 V
(15212)210 648 A
(rp->p_reg.sp)504 1110 A
1656(=)S
((reg_t))294 1740 A
(frp;)168 2076 A
4320 V
(15213)210 648 A
(rp->p_reg.pc)504 1110 A
1656(=)S
((reg_t))294 1740 A
(smsg.sm_sighandler;)798 2076 A
4410 V
(15214)210 648 A
4500 V
(15215)210 648 A
(return(OK);)462 1110 A
4590 V
(15216)210 648 A
1026(})S
4770 V
(15218)210 648 A
(/*===========================================================================*)3276 1026 A
4860 V
(15219)210 648 A
1068(*)S
(do_sigreturn)504 2286 A
4260(*)S
4950 V
(15220)210 648 A
(*===========================================================================*/)3276 1068 A
5040 V
(15221)210 648 A
(PRIVATE)294 1026 A
(int)126 1362 A
(do_sigreturn(m_ptr))798 1530 A
5130 V
(15222)210 648 A
(register)336 1026 A
(message)294 1404 A
(*m_ptr;)294 1740 A
5220 V
(15223)210 648 A
1026({)S
5310 V
(15224)210 648 A
1026(/*)S
(POSIX)210 1152 A
(style)210 1404 A
(signals)294 1656 A
(require)294 1992 A
(sys_sigreturn)546 2328 A
2916(to)S
(put)126 3042 A
(things)252 3210 A
3504(in)S
(order)210 3630 A
(before)252 3882 A
(the)126 4176 A
5400 V
(15225)210 648 A
1068(*)S
(signalled)378 1152 A
(process)294 1572 A
(can)126 1908 A
(resume)252 2076 A
(execution)378 2370 A
5490 V
(15226)210 648 A
1068(*/)S
5580 V
(15227)210 648 A
5670 V
(15228)210 648 A
(struct)252 1110 A
(sigcontext)420 1404 A
(sc;)126 1866 A
5760 V
(15229)210 648 A
(register)336 1110 A
(struct)252 1488 A
(proc)168 1782 A
(*rp;)168 1992 A
5850 V
(15230)210 648 A
(phys_bytes)420 1110 A
(src_phys;)378 1572 A
5940 V
(15231)210 648 A
6030 V
(15232)210 648 A
1110(if)S
((!isokusern(m_ptr->PROC1)))1092 1236 A
(return(E_BAD_PROC);)798 2370 A
6120 V
(15233)210 648 A
1110(rp)S
1236(=)S
(proc_addr(m_ptr->PROC1);)1008 1320 A
6210 V
(15234)210 648 A
8418 V
EP
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/slant 0 def
/height 0 def
630 V
10 R
648(MINIX)S
976(SOURCE)S
1399(CODE)S
11 R
1993(File:)S
2226(src/kernel/system.c)S
12 B
(213)180 4248 A
900 V
7 LST
(15235)210 648 A
1110(/*)S
(Copy)168 1236 A
1446(in)S
(the)126 1572 A
(sigcontext)420 1740 A
(structure.)420 2202 A
2664(*/)S
990 V
(15236)210 648 A
(src_phys)336 1110 A
1488(=)S
(umap(rp,)336 1572 A
1950(D,)S
((vir_bytes))462 2076 A
(m_ptr->SIG_CTXT_PTR,)840 2580 A
1080 V
(15237)210 648 A
((vir_bytes))462 1782 A
(sizeof(struct)546 2286 A
(sigcontext));)546 2874 A
1170 V
(15238)210 648 A
1110(if)S
((src_phys)378 1236 A
1656(==)S
1782(0))S
(return(EFAULT);)630 1908 A
1260 V
(15239)210 648 A
(phys_copy(src_phys,)798 1110 A
(vir2phys(&sc),)588 1950 A
((phys_bytes))504 2580 A
(sizeof(struct)546 3126 A
(sigcontext));)546 3714 A
1350 V
(15240)210 648 A
1440 V
(15241)210 648 A
1110(/*)S
(Make)168 1236 A
(sure)168 1446 A
(that)168 1656 A
(this)168 1866 A
2076(is)S
(not)126 2202 A
(just)168 2370 A
2580(a)S
(jmp_buf.)336 2664 A
3042(*/)S
1530 V
(15242)210 648 A
1110(if)S
(((sc.sc_flags)546 1236 A
1824(&)S
(SC_SIGCONTEXT))588 1908 A
2538(==)S
2664(0))S
(return(EINVAL);)630 2790 A
1620 V
(15243)210 648 A
1710 V
(15244)210 648 A
1110(/*)S
(Fix)126 1236 A
1404(up)S
(only)168 1530 A
(certain)294 1740 A
(key)126 2076 A
(registers)378 2244 A
2664(if)S
(the)126 2790 A
(compiler)336 2958 A
(doesn't)294 3336 A
(use)126 3672 A
1800 V
(15245)210 648 A
1152(*)S
(register)336 1236 A
(variables)378 1614 A
(within)252 2034 A
(functions)378 2328 A
(containing)420 2748 A
(setjmp.)294 3210 A
1890 V
(15246)210 648 A
1152(*/)S
1980 V
(15247)210 648 A
1110(if)S
((sc.sc_flags)504 1236 A
1782(&)S
(SC_NOREGLOCALS))630 1866 A
2538({)S
2070 V
(15248)210 648 A
(rp->p_reg.retreg)672 1362 A
2076(=)S
(sc.sc_retreg;)546 2160 A
2160 V
(15249)210 648 A
(rp->p_reg.fp)504 1362 A
1908(=)S
(sc.sc_fp;)378 1992 A
2250 V
(15250)210 648 A
(rp->p_reg.pc)504 1362 A
1908(=)S
(sc.sc_pc;)378 1992 A
2340 V
(15251)210 648 A
(rp->p_reg.sp)504 1362 A
1908(=)S
(sc.sc_sp;)378 1992 A
2430 V
(15252)210 648 A
(return)252 1362 A
((OK);)210 1656 A
2520 V
(15253)210 648 A
1110(})S
2610 V
(15254)210 648 A
(sc.sc_psw)378 1110 A
1572(=)S
(rp->p_reg.psw;)588 1656 A
2700 V
(15255)210 648 A
2790 V
(15256)210 648 A
(#if)126 1026 A
((CHIP)210 1194 A
1446(==)S
(INTEL))252 1572 A
2880 V
(15257)210 648 A
1110(/*)S
(Don't)210 1236 A
(panic)210 1488 A
(kernel)252 1740 A
2034(if)S
(user)168 2160 A
(gave)168 2370 A
(bad)126 2580 A
(selectors.)420 2748 A
3210(*/)S
2970 V
(15258)210 648 A
(sc.sc_cs)336 1110 A
1488(=)S
(rp->p_reg.cs;)546 1572 A
3060 V
(15259)210 648 A
(sc.sc_ds)336 1110 A
1488(=)S
(rp->p_reg.ds;)546 1572 A
3150 V
(15260)210 648 A
(sc.sc_es)336 1110 A
1488(=)S
(rp->p_reg.es;)546 1572 A
3240 V
(15261)210 648 A
(#if)126 1026 A
(_WORD_SIZE)420 1194 A
1656(==)S
1782(4)S
3330 V
(15262)210 648 A
(sc.sc_fs)336 1110 A
1488(=)S
(rp->p_reg.fs;)546 1572 A
3420 V
(15263)210 648 A
(sc.sc_gs)336 1110 A
1488(=)S
(rp->p_reg.gs;)546 1572 A
3510 V
(15264)210 648 A
(#endif)252 1026 A
3600 V
(15265)210 648 A
(#endif)252 1026 A
3690 V
(15266)210 648 A
3780 V
(15267)210 648 A
1110(/*)S
(Restore)294 1236 A
(the)126 1572 A
(registers.)420 1740 A
2202(*/)S
3870 V
(15268)210 648 A
(memcpy(&rp->p_reg,)756 1110 A
((char)210 1908 A
(*)&sc.sc_regs,)588 2160 A
(sizeof(struct)546 2790 A
(sigregs));)420 3378 A
3960 V
(15269)210 648 A
4050 V
(15270)210 648 A
(return(OK);)462 1110 A
4140 V
(15271)210 648 A
1026(})S
4320 V
(15273)210 648 A
(/*===========================================================================*)3276 1026 A
4410 V
(15274)210 648 A
1068(*)S
(do_kill)294 2370 A
4260(*)S
4500 V
(15275)210 648 A
(*===========================================================================*/)3276 1068 A
4590 V
(15276)210 648 A
(PRIVATE)294 1026 A
(int)126 1362 A
(do_kill(m_ptr))588 1530 A
4680 V
(15277)210 648 A
(register)336 1026 A
(message)294 1404 A
(*m_ptr;)294 1740 A
2370(/*)S
(pointer)294 2496 A
2832(to)S
(request)294 2958 A
(message)294 3294 A
3630(*/)S
4770 V
(15278)210 648 A
1026({)S
4860 V
(15279)210 648 A
1026(/*)S
(Handle)252 1152 A
(sys_kill().)462 1446 A
(Cause)210 1950 A
2202(a)S
(signal)252 2286 A
2580(to)S
2706(be)S
(sent)168 2832 A
3042(to)S
3168(a)S
(process)294 3252 A
(via)126 3588 A
(MM.)126 3756 A
4950 V
(15280)210 648 A
1068(*)S
(Note)168 1152 A
(that)168 1362 A
(this)168 1572 A
(has)126 1782 A
(nothing)294 1950 A
2286(to)S
2412(do)S
(with)168 2538 A
(the)126 2748 A
(kill)168 2916 A
((2))126 3126 A
(system)252 3294 A
(call,)210 3588 A
(this)168 3840 A
5040 V
(15281)210 648 A
1068(*)S
1152(is)S
(how)126 1278 A
(the)126 1446 A
1614(FS)S
((and)168 1740 A
(possibly)336 1950 A
(other)210 2328 A
(servers))336 2580 A
(get)126 2958 A
(access)252 3126 A
3420(to)S
(cause_sig)378 3546 A
3966(to)S
5130 V
(15282)210 648 A
1068(*)S
(send)168 1152 A
1362(a)S
(KSIG)168 1446 A
(message)294 1656 A
1992(to)S
2118(MM)S
5220 V
(15283)210 648 A
1068(*/)S
5310 V
(15284)210 648 A
5400 V
(15285)210 648 A
1110(if)S
((!isokusern(m_ptr->PR)))966 1236 A
(return(E_BAD_PROC);)798 2244 A
5490 V
(15286)210 648 A
(cause_sig(m_ptr->PR,)840 1110 A
(m_ptr->SIGNUM);)630 1992 A
5580 V
(15287)210 648 A
(return(OK);)462 1110 A
5670 V
(15288)210 648 A
1026(})S
5940 V
(15291)210 648 A
(/*===========================================================================*)3276 1026 A
6030 V
(15292)210 648 A
1068(*)S
(do_endsig)378 2286 A
4260(*)S
6120 V
(15293)210 648 A
(*===========================================================================*/)3276 1068 A
6210 V
(15294)210 648 A
(PRIVATE)294 1026 A
(int)126 1362 A
(do_endsig(m_ptr))672 1530 A
8418 V
EP
%%Page: 214 214
BP
/slant 0 def
/height 0 def
630 V
12 B
(214)180 648 A
11 R
1993(File:)S
2226(src/kernel/system.c)S
10 R
3402(MINIX)S
3730(SOURCE)S
4153(CODE)S
900 V
7 LST
(15295)210 648 A
(register)336 1026 A
(message)294 1404 A
(*m_ptr;)294 1740 A
2370(/*)S
(pointer)294 2496 A
2832(to)S
(request)294 2958 A
(message)294 3294 A
3630(*/)S
990 V
(15296)210 648 A
1026({)S
1080 V
(15297)210 648 A
1026(/*)S
(Finish)252 1152 A
1446(up)S
(after)210 1572 A
1824(a)S
(KSIG-type)378 1908 A
(signal,)294 2328 A
(caused)252 2664 A
2958(by)S
3084(a)S
(SYS_KILL)336 3168 A
(message)294 3546 A
3882(or)S
4008(a)S
(call)168 4092 A
1170 V
(15298)210 648 A
1068(*)S
1152(to)S
(cause_sig)378 1278 A
1698(by)S
1824(a)S
(task)168 1908 A
1260 V
(15299)210 648 A
1068(*/)S
1350 V
(15300)210 648 A
1440 V
(15301)210 648 A
(register)336 1110 A
(struct)252 1488 A
(proc)168 1782 A
(*rp;)168 1992 A
1530 V
(15302)210 648 A
1620 V
(15303)210 648 A
1110(if)S
((!isokusern(m_ptr->PROC1)))1092 1236 A
(return(E_BAD_PROC);)798 2370 A
1710 V
(15304)210 648 A
1110(rp)S
1236(=)S
(proc_addr(m_ptr->PROC1);)1008 1320 A
1800 V
(15305)210 648 A
1890 V
(15306)210 648 A
1110(/*)S
1236(MM)S
(has)126 1362 A
(finished)336 1530 A
(one)126 1908 A
(KSIG.)210 2076 A
2328(*/)S
1980 V
(15307)210 648 A
1110(if)S
((rp->p_pendcount)672 1236 A
1950(!=)S
2076(0)S
2160(&&)S
(--rp->p_pendcount)714 2286 A
3042(==)S
3168(0)S
2070 V
(15308)210 648 A
1278(&&)S
((rp->p_flags)504 1404 A
1950(&=)S
(304SIG_PENDING))546 2076 A
2664(==)S
2790(0))S
2160 V
(15309)210 648 A
(lock_ready(rp);)630 1362 A
2250 V
(15310)210 648 A
(return(OK);)462 1110 A
2340 V
(15311)210 648 A
1026(})S
2520 V
(15313)210 648 A
(/*===========================================================================*)3276 1026 A
2610 V
(15314)210 648 A
1068(*)S
(do_copy)294 2370 A
4260(*)S
2700 V
(15315)210 648 A
(*===========================================================================*/)3276 1068 A
2790 V
(15316)210 648 A
(PRIVATE)294 1026 A
(int)126 1362 A
(do_copy(m_ptr))588 1530 A
2880 V
(15317)210 648 A
(register)336 1026 A
(message)294 1404 A
(*m_ptr;)294 1740 A
2370(/*)S
(pointer)294 2496 A
2832(to)S
(request)294 2958 A
(message)294 3294 A
3630(*/)S
2970 V
(15318)210 648 A
1026({)S
3060 V
(15319)210 648 A
1026(/*)S
(Handle)252 1152 A
(sys_copy().)462 1446 A
(Copy)168 1992 A
(data)168 2202 A
(for)126 2412 A
2580(MM)S
2706(or)S
(FS.)126 2832 A
3000(*/)S
3150 V
(15320)210 648 A
3240 V
(15321)210 648 A
(int)126 1110 A
(src_proc,)378 1278 A
(dst_proc,)378 1698 A
(src_space,)420 2118 A
(dst_space;)420 2580 A
3330 V
(15322)210 648 A
(vir_bytes)378 1110 A
(src_vir,)336 1530 A
(dst_vir;)336 1908 A
3420 V
(15323)210 648 A
(phys_bytes)420 1110 A
(src_phys,)378 1572 A
(dst_phys,)378 1992 A
(bytes;)252 2412 A
3510 V
(15324)210 648 A
3600 V
(15325)210 648 A
1110(/*)S
(Dismember)378 1236 A
(the)126 1656 A
(command)294 1824 A
(message.)336 2160 A
2538(*/)S
3690 V
(15326)210 648 A
(src_proc)336 1110 A
1488(=)S
(m_ptr->SRC_PROC_NR;)798 1572 A
3780 V
(15327)210 648 A
(dst_proc)336 1110 A
1488(=)S
(m_ptr->DST_PROC_NR;)798 1572 A
3870 V
(15328)210 648 A
(src_space)378 1110 A
1530(=)S
(m_ptr->SRC_SPACE;)714 1614 A
3960 V
(15329)210 648 A
(dst_space)378 1110 A
1530(=)S
(m_ptr->DST_SPACE;)714 1614 A
4050 V
(15330)210 648 A
(src_vir)294 1110 A
1446(=)S
((vir_bytes))462 1530 A
(m_ptr->SRC_BUFFER;)756 2034 A
4140 V
(15331)210 648 A
(dst_vir)294 1110 A
1446(=)S
((vir_bytes))462 1530 A
(m_ptr->DST_BUFFER;)756 2034 A
4230 V
(15332)210 648 A
(bytes)210 1110 A
1362(=)S
((phys_bytes))504 1446 A
(m_ptr->COPY_BYTES;)756 1992 A
4320 V
(15333)210 648 A
4410 V
(15334)210 648 A
1110(/*)S
(Compute)294 1236 A
(the)126 1572 A
(source)252 1740 A
(and)126 2034 A
(destination)462 2202 A
(addresses)378 2706 A
(and)126 3126 A
3294(do)S
(the)126 3420 A
(copy.)210 3588 A
3840(*/)S
4500 V
(15335)210 648 A
1110(if)S
((src_proc)378 1236 A
1656(==)S
(ABS))168 1782 A
4590 V
(15336)210 648 A
(src_phys)336 1362 A
1740(=)S
((phys_bytes))504 1824 A
(m_ptr->SRC_BUFFER;)756 2370 A
4680 V
(15337)210 648 A
(else)168 1110 A
1320({)S
4770 V
(15338)210 648 A
1362(if)S
((bytes)252 1488 A
1782(!=)S
((vir_bytes))462 1908 A
(bytes))252 2412 A
4860 V
(15339)210 648 A
1698(/*)S
(This)168 1824 A
(would)210 2034 A
(happen)252 2286 A
(for)126 2580 A
(64K)126 2748 A
(segments)336 2916 A
(and)126 3294 A
(16-bit)252 3462 A
(vir_bytes.)420 3756 A
4950 V
(15340)210 648 A
1740(*)S
1824(It)S
(would)210 1950 A
(happen)252 2202 A
2496(a)S
(lot)126 2580 A
(for)126 2748 A
(do_fork)294 2916 A
(except)252 3252 A
3546(MM)S
(uses)168 3672 A
(ABS)126 3882 A
5040 V
(15341)210 648 A
1740(*)S
(copies)252 1824 A
(for)126 2118 A
(that)168 2286 A
(case.)210 2496 A
5130 V
(15342)210 648 A
1740(*/)S
5220 V
(15343)210 648 A
(panic("overflow)630 1698 A
2370(in)S
(count)210 2496 A
2748(in)S
(do_copy",)378 2874 A
(NO_NUM);)336 3294 A
5310 V
(15344)210 648 A
5400 V
(15345)210 648 A
(src_phys)336 1362 A
1740(=)S
(umap(proc_addr(src_proc),)1050 1824 A
(src_space,)420 2916 A
(src_vir,)336 3378 A
5490 V
(15346)210 648 A
((vir_bytes))462 2034 A
(bytes);)294 2538 A
5580 V
(15347)210 648 A
1362(})S
5670 V
(15348)210 648 A
5760 V
(15349)210 648 A
1110(if)S
((dst_proc)378 1236 A
1656(==)S
(ABS))168 1782 A
5850 V
(15350)210 648 A
(dst_phys)336 1362 A
1740(=)S
((phys_bytes))504 1824 A
(m_ptr->DST_BUFFER;)756 2370 A
5940 V
(15351)210 648 A
(else)168 1110 A
6030 V
(15352)210 648 A
(dst_phys)336 1362 A
1740(=)S
(umap(proc_addr(dst_proc),)1050 1824 A
(dst_space,)420 2916 A
(dst_vir,)336 3378 A
6120 V
(15353)210 648 A
((vir_bytes))462 2034 A
(bytes);)294 2538 A
6210 V
(15354)210 648 A
8418 V
EP
%%Page: 215 215
BP
/slant 0 def
/height 0 def
630 V
10 R
648(MINIX)S
976(SOURCE)S
1399(CODE)S
11 R
1993(File:)S
2226(src/kernel/system.c)S
12 B
(215)180 4248 A
900 V
7 LST
(15355)210 648 A
1110(if)S
((src_phys)378 1236 A
1656(==)S
1782(0)S
1866(||)S
(dst_phys)336 1992 A
2370(==)S
2496(0))S
(return(EFAULT);)630 2622 A
990 V
(15356)210 648 A
(phys_copy(src_phys,)798 1110 A
(dst_phys,)378 1950 A
(bytes);)294 2370 A
1080 V
(15357)210 648 A
(return(OK);)462 1110 A
1170 V
(15358)210 648 A
1026(})S
1440 V
(15361)210 648 A
(/*===========================================================================*)3276 1026 A
1530 V
(15362)210 648 A
1068(*)S
(do_vcopy)336 2370 A
4260(*)S
1620 V
(15363)210 648 A
(*===========================================================================*/)3276 1068 A
1710 V
(15364)210 648 A
(PRIVATE)294 1026 A
(int)126 1362 A
(do_vcopy(m_ptr))630 1530 A
1800 V
(15365)210 648 A
(register)336 1026 A
(message)294 1404 A
(*m_ptr;)294 1740 A
2370(/*)S
(pointer)294 2496 A
2832(to)S
(request)294 2958 A
(message)294 3294 A
3630(*/)S
1890 V
(15366)210 648 A
1026({)S
1980 V
(15367)210 648 A
1026(/*)S
(Handle)252 1152 A
(sys_vcopy().)504 1446 A
(Copy)168 1992 A
(multiple)336 2202 A
(blocks)252 2580 A
2874(of)S
(memory)252 3000 A
3294(*/)S
2070 V
(15368)210 648 A
2160 V
(15369)210 648 A
(int)126 1110 A
(src_proc,)378 1278 A
(dst_proc,)378 1698 A
(vect_s,)294 2118 A
2454(i;)S
2250 V
(15370)210 648 A
(vir_bytes)378 1110 A
(src_vir,)336 1530 A
(dst_vir,)336 1908 A
(vect_addr;)420 2286 A
2340 V
(15371)210 648 A
(phys_bytes)420 1110 A
(src_phys,)378 1572 A
(dst_phys,)378 1992 A
(bytes;)252 2412 A
2430 V
(15372)210 648 A
(cpvec_t)294 1110 A
(cpvec_table[CPVEC_NR];)924 1446 A
2520 V
(15373)210 648 A
2610 V
(15374)210 648 A
1110(/*)S
(Dismember)378 1236 A
(the)126 1656 A
(command)294 1824 A
(message.)336 2160 A
2538(*/)S
2700 V
(15375)210 648 A
(src_proc)336 1110 A
1488(=)S
(m_ptr->m1_i1;)546 1572 A
2790 V
(15376)210 648 A
(dst_proc)336 1110 A
1488(=)S
(m_ptr->m1_i2;)546 1572 A
2880 V
(15377)210 648 A
(vect_s)252 1110 A
1404(=)S
(m_ptr->m1_i3;)546 1488 A
2970 V
(15378)210 648 A
(vect_addr)378 1110 A
1530(=)S
((vir_bytes)m_ptr->m1_p1;)1008 1614 A
3060 V
(15379)210 648 A
3150 V
(15380)210 648 A
1110(if)S
((vect_s)294 1236 A
1572(>)S
(CPVEC_NR))378 1656 A
(return)252 2076 A
(EDOM;)210 2370 A
3240 V
(15381)210 648 A
3330 V
(15382)210 648 A
(src_phys=)378 1110 A
(numap)210 1530 A
((m_ptr->m_source,)714 1782 A
(vect_addr,)420 2538 A
(vect_s)252 3000 A
3294(*)S
(sizeof(cpvec_t));)714 3378 A
3420 V
(15383)210 648 A
1110(if)S
((!src_phys))462 1236 A
(return)252 1740 A
(EFAULT;)294 2034 A
3510 V
(15384)210 648 A
(phys_copy(src_phys,)798 1110 A
(vir2phys(cpvec_table),)924 1950 A
3600 V
(15385)210 648 A
((phys_bytes))504 2370 A
((vect_s)294 2916 A
3252(*)S
(sizeof(cpvec_t)));)756 3336 A
3690 V
(15386)210 648 A
3780 V
(15387)210 648 A
(for)126 1110 A
1278((i)S
1404(=)S
1488(0;)S
1614(i)S
1698(<)S
(vect_s;)294 1782 A
(i++))168 2118 A
2328({)S
3870 V
(15388)210 648 A
(src_vir=)336 1362 A
(cpvec_table[i].cpv_src;)966 1740 A
3960 V
(15389)210 648 A
(dst_vir=)336 1362 A
(cpvec_table[i].cpv_dst;)966 1740 A
4050 V
(15390)210 648 A
(bytes=)252 1362 A
(cpvec_table[i].cpv_size;)1008 1656 A
4140 V
(15391)210 648 A
(src_phys)336 1362 A
1740(=)S
(numap(src_proc,src_vir,(vir_bytes)bytes);)1722 1824 A
4230 V
(15392)210 648 A
(dst_phys)336 1362 A
1740(=)S
(numap(dst_proc,dst_vir,(vir_bytes)bytes);)1722 1824 A
4320 V
(15393)210 648 A
1362(if)S
((src_phys)378 1488 A
1908(==)S
2034(0)S
2118(||)S
(dst_phys)336 2244 A
2622(==)S
2748(0))S
(return(EFAULT);)630 2874 A
4410 V
(15394)210 648 A
(phys_copy(src_phys,)798 1362 A
(dst_phys,)378 2202 A
(bytes);)294 2622 A
4500 V
(15395)210 648 A
1110(})S
4590 V
(15396)210 648 A
(return(OK);)462 1110 A
4680 V
(15397)210 648 A
1026(})S
4950 V
(15400)210 648 A
(/*==========================================================================*)3234 1026 A
5040 V
(15401)210 648 A
1068(*)S
(do_gboot)336 2370 A
4218(*)S
5130 V
(15402)210 648 A
(*==========================================================================*/)3234 1068 A
5220 V
(15403)210 648 A
(PUBLIC)252 1026 A
(struct)252 1320 A
(bparam_s)336 1614 A
(boot_parameters;)672 1992 A
5310 V
(15404)210 648 A
5400 V
(15405)210 648 A
(PRIVATE)294 1026 A
(int)126 1362 A
(do_gboot(m_ptr))630 1530 A
5490 V
(15406)210 648 A
(message)294 1026 A
(*m_ptr;)294 1362 A
2370(/*)S
(pointer)294 2496 A
2832(to)S
(request)294 2958 A
(message)294 3294 A
3630(*/)S
5580 V
(15407)210 648 A
1026({)S
5670 V
(15408)210 648 A
1026(/*)S
(Copy)168 1152 A
(the)126 1362 A
(boot)168 1530 A
(parameters.)462 1740 A
(Normally)336 2286 A
(only)168 2664 A
(called)252 2874 A
(during)252 3168 A
3462(fs)S
(init.)210 3588 A
3840(*/)S
5760 V
(15409)210 648 A
5850 V
(15410)210 648 A
(phys_bytes)420 1110 A
(dst_phys;)378 1572 A
5940 V
(15411)210 648 A
6030 V
(15412)210 648 A
(dst_phys)336 1110 A
1488(=)S
(umap(proc_addr(m_ptr->PROC1),)1218 1572 A
2832(D,)S
((vir_bytes))462 2958 A
(m_ptr->MEM_PTR,)630 3462 A
6120 V
(15413)210 648 A
((vir_bytes))462 2370 A
(sizeof(boot_parameters));)1050 2874 A
6210 V
(15414)210 648 A
1110(if)S
((dst_phys)378 1236 A
1656(==)S
1782(0))S
(panic("bad)420 1908 A
(call)168 2370 A
2580(to)S
(SYS_GBOOT",)462 2706 A
(NO_NUM);)336 3210 A
8418 V
EP
%%Page: 216 216
BP
/slant 0 def
/height 0 def
630 V
12 B
(216)180 648 A
11 R
1993(File:)S
2226(src/kernel/system.c)S
10 R
3402(MINIX)S
3730(SOURCE)S
4153(CODE)S
900 V
7 LST
(15415)210 648 A
(phys_copy(vir2phys(&boot_parameters),)1554 1110 A
(dst_phys,)378 2706 A
990 V
(15416)210 648 A
((phys_bytes))504 2370 A
(sizeof(boot_parameters));)1050 2916 A
1080 V
(15417)210 648 A
(return(OK);)462 1110 A
1170 V
(15418)210 648 A
1026(})S
1440 V
(15421)210 648 A
(/*===========================================================================*)3276 1026 A
1530 V
(15422)210 648 A
1068(*)S
(do_mem)252 2370 A
4260(*)S
1620 V
(15423)210 648 A
(*===========================================================================*/)3276 1068 A
1710 V
(15424)210 648 A
(PRIVATE)294 1026 A
(int)126 1362 A
(do_mem(m_ptr))546 1530 A
1800 V
(15425)210 648 A
(register)336 1026 A
(message)294 1404 A
(*m_ptr;)294 1740 A
2370(/*)S
(pointer)294 2496 A
2832(to)S
(request)294 2958 A
(message)294 3294 A
3630(*/)S
1890 V
(15426)210 648 A
1026({)S
1980 V
(15427)210 648 A
1026(/*)S
(Return)252 1152 A
(the)126 1446 A
(base)168 1614 A
(and)126 1824 A
(size)168 1992 A
2202(of)S
(the)126 2328 A
(next)168 2496 A
(chunk)210 2706 A
2958(of)S
(memory.)294 3084 A
3420(*/)S
2070 V
(15428)210 648 A
2160 V
(15429)210 648 A
(struct)252 1110 A
(memory)252 1404 A
(*memp;)252 1698 A
2250 V
(15430)210 648 A
2340 V
(15431)210 648 A
(for)126 1110 A
((memp)210 1278 A
1530(=)S
(mem;)168 1614 A
(memp)168 1824 A
2034(<)S
(&mem[NR_MEMS];)588 2118 A
(++memp))294 2748 A
3084({)S
2430 V
(15432)210 648 A
(m_ptr->m1_i1)504 1362 A
1908(=)S
(memp->base;)462 1992 A
2520 V
(15433)210 648 A
(m_ptr->m1_i2)504 1362 A
1908(=)S
(memp->size;)462 1992 A
2610 V
(15434)210 648 A
(m_ptr->m1_i3)504 1362 A
1908(=)S
(tot_mem_size;)546 1992 A
2700 V
(15435)210 648 A
(memp->size)420 1362 A
1824(=)S
1908(0;)S
2790 V
(15436)210 648 A
1362(if)S
((m_ptr->m1_i2)546 1488 A
2076(!=)S
2202(0))S
(break;)252 2328 A
3042(/*)S
(found)210 3168 A
3420(a)S
(chunk)210 3504 A
3756(*/)S
2880 V
(15437)210 648 A
1110(})S
2970 V
(15438)210 648 A
(return(OK);)462 1110 A
3060 V
(15439)210 648 A
1026(})S
3330 V
(15442)210 648 A
(/*==========================================================================*)3234 1026 A
3420 V
(15443)210 648 A
1068(*)S
(do_umap)294 2370 A
4218(*)S
3510 V
(15444)210 648 A
(*==========================================================================*/)3234 1068 A
3600 V
(15445)210 648 A
(PRIVATE)294 1026 A
(int)126 1362 A
(do_umap(m_ptr))588 1530 A
3690 V
(15446)210 648 A
(register)336 1026 A
(message)294 1404 A
(*m_ptr;)294 1740 A
2370(/*)S
(pointer)294 2496 A
2832(to)S
(request)294 2958 A
(message)294 3294 A
3630(*/)S
3780 V
(15447)210 648 A
1026({)S
3870 V
(15448)210 648 A
1026(/*)S
(Same)168 1152 A
1362(as)S
(umap(),)294 1488 A
(for)126 1824 A
(non-kernel)420 1992 A
(processes.)420 2454 A
2916(*/)S
3960 V
(15449)210 648 A
4050 V
(15450)210 648 A
(m_ptr->SRC_BUFFER)714 1110 A
1866(=)S
(umap(proc_addr((int))840 1950 A
(m_ptr->SRC_PROC_NR),)840 2832 A
4140 V
(15451)210 648 A
((int))210 2160 A
(m_ptr->SRC_SPACE,)714 2412 A
4230 V
(15452)210 648 A
((vir_bytes))462 2160 A
(m_ptr->SRC_BUFFER,)756 2664 A
4320 V
(15453)210 648 A
((vir_bytes))462 2160 A
(m_ptr->COPY_BYTES);)798 2664 A
4410 V
(15454)210 648 A
(return(OK);)462 1110 A
4500 V
(15455)210 648 A
1026(})S
4770 V
(15458)210 648 A
(/*==========================================================================*)3234 1026 A
4860 V
(15459)210 648 A
1068(*)S
(do_trace)336 2370 A
4218(*)S
4950 V
(15460)210 648 A
(*==========================================================================*/)3234 1068 A
5040 V
(15461)210 648 A
(#define)294 1026 A
(TR_PROCNR)378 1362 A
((m_ptr->m2_i1))588 2034 A
5130 V
(15462)210 648 A
(#define)294 1026 A
(TR_REQUEST)420 1362 A
((m_ptr->m2_i2))588 2034 A
5220 V
(15463)210 648 A
(#define)294 1026 A
(TR_ADDR)294 1362 A
(((vir_bytes))504 2034 A
(m_ptr->m2_l1))546 2580 A
5310 V
(15464)210 648 A
(#define)294 1026 A
(TR_DATA)294 1362 A
((m_ptr->m2_l2))588 2034 A
5400 V
(15465)210 648 A
(#define)294 1026 A
(TR_VLSIZE)378 1362 A
(((vir_bytes))504 2034 A
(sizeof(long)))546 2580 A
5490 V
(15466)210 648 A
5580 V
(15467)210 648 A
(PRIVATE)294 1026 A
(int)126 1362 A
(do_trace(m_ptr))630 1530 A
5670 V
(15468)210 648 A
(register)336 1026 A
(message)294 1404 A
(*m_ptr;)294 1740 A
5760 V
(15469)210 648 A
1026({)S
5850 V
(15470)210 648 A
1026(/*)S
(Handle)252 1152 A
(the)126 1446 A
(debugging)378 1614 A
(commands)336 2034 A
(supported)378 2412 A
2832(by)S
(the)126 2958 A
(ptrace)252 3126 A
(system)252 3420 A
(call)168 3714 A
5940 V
(15471)210 648 A
1068(*)S
(The)126 1152 A
(commands)336 1320 A
(are:)168 1698 A
6030 V
(15472)210 648 A
1068(*)S
(T_STOP)252 1152 A
(stop)168 1698 A
(the)126 1908 A
(process)294 2076 A
6120 V
(15473)210 648 A
1068(*)S
(T_OK)168 1152 A
(enable)252 1698 A
(tracing)294 1992 A
2328(by)S
(parent)252 2454 A
(for)126 2748 A
(this)168 2916 A
(process)294 3126 A
6210 V
(15474)210 648 A
1068(*)S
(T_GETINS)336 1152 A
(return)252 1698 A
(value)210 1992 A
(from)168 2244 A
(instruction)462 2454 A
(space)210 2958 A
8418 V
EP
%%Page: 217 217
BP
/slant 0 def
/height 0 def
630 V
10 R
648(MINIX)S
976(SOURCE)S
1399(CODE)S
11 R
1993(File:)S
2226(src/kernel/system.c)S
12 B
(217)180 4248 A
900 V
7 LST
(15475)210 648 A
1068(*)S
(T_GETDATA)378 1152 A
(return)252 1698 A
(value)210 1992 A
(from)168 2244 A
(data)168 2454 A
(space)210 2664 A
990 V
(15476)210 648 A
1068(*)S
(T_GETUSER)378 1152 A
(return)252 1698 A
(value)210 1992 A
(from)168 2244 A
(user)168 2454 A
(process)294 2664 A
(table)210 3000 A
1080 V
(15477)210 648 A
1068(*)S
(T_SETINS)336 1152 A
(set)126 1698 A
(value)210 1866 A
(from)168 2118 A
(instruction)462 2328 A
(space)210 2832 A
1170 V
(15478)210 648 A
1068(*)S
(T_SETDATA)378 1152 A
(set)126 1698 A
(value)210 1866 A
(from)168 2118 A
(data)168 2328 A
(space)210 2538 A
1260 V
(15479)210 648 A
1068(*)S
(T_SETUSER)378 1152 A
(set)126 1698 A
(value)210 1866 A
2118(in)S
(user)168 2244 A
(process)294 2454 A
(table)210 2790 A
1350 V
(15480)210 648 A
1068(*)S
(T_RESUME)336 1152 A
(resume)252 1698 A
(execution)378 1992 A
1440 V
(15481)210 648 A
1068(*)S
(T_EXIT)252 1152 A
(exit)168 1698 A
1530 V
(15482)210 648 A
1068(*)S
(T_STEP)252 1152 A
(set)126 1698 A
(trace)210 1866 A
(bit)126 2118 A
1620 V
(15483)210 648 A
1068(*)S
1710 V
(15484)210 648 A
1068(*)S
(The)126 1152 A
(T_OK)168 1320 A
(and)126 1530 A
(T_EXIT)252 1698 A
(commands)336 1992 A
(are)126 2370 A
(handled)294 2538 A
(completely)420 2874 A
3336(by)S
(the)126 3462 A
(memory)252 3630 A
(manager,)336 3924 A
1800 V
(15485)210 648 A
1068(*)S
(all)126 1152 A
(others)252 1320 A
(come)168 1614 A
(here.)210 1824 A
1890 V
(15486)210 648 A
1068(*/)S
1980 V
(15487)210 648 A
2070 V
(15488)210 648 A
(register)336 1110 A
(struct)252 1488 A
(proc)168 1782 A
(*rp;)168 1992 A
2160 V
(15489)210 648 A
(phys_bytes)420 1110 A
(src,)168 1572 A
(dst;)168 1782 A
2250 V
(15490)210 648 A
(int)126 1110 A
1278(i;)S
2340 V
(15491)210 648 A
2430 V
(15492)210 648 A
1110(rp)S
1236(=)S
(proc_addr(TR_PROCNR);)882 1320 A
2520 V
(15493)210 648 A
1110(if)S
((rp->p_flags)504 1236 A
1782(&)S
(P_SLOT_FREE))504 1866 A
(return(EIO);)504 2412 A
2610 V
(15494)210 648 A
(switch)252 1110 A
((TR_REQUEST))504 1404 A
1950({)S
2700 V
(15495)210 648 A
(case)168 1110 A
(T_STOP:)294 1320 A
2370(/*)S
(stop)168 2496 A
(process)294 2706 A
3042(*/)S
2790 V
(15496)210 648 A
1362(if)S
((rp->p_flags)504 1488 A
2034(==)S
2160(0))S
(lock_unready(rp);)714 2286 A
2880 V
(15497)210 648 A
(rp->p_flags)462 1362 A
1866(|=)S
(P_STOP;)294 1992 A
2970 V
(15498)210 648 A
(rp->p_reg.psw)546 1362 A
1950(&=)S
(304TRACEBIT;)420 2076 A
2706(/*)S
(clear)210 2832 A
(trace)210 3084 A
(bit)126 3336 A
3504(*/)S
3060 V
(15499)210 648 A
(return(OK);)462 1362 A
3150 V
(15500)210 648 A
3240 V
(15501)210 648 A
(case)168 1110 A
(T_GETINS:)378 1320 A
2370(/*)S
(return)252 2496 A
(value)210 2790 A
(from)168 3042 A
(instruction)462 3252 A
(space)210 3756 A
4008(*/)S
3330 V
(15502)210 648 A
1362(if)S
((rp->p_map[T].mem_len)882 1488 A
2412(!=)S
2538(0))S
2664({)S
3420 V
(15503)210 648 A
1698(if)S
(((src)210 1824 A
2076(=)S
(umap(rp,)336 2160 A
2538(T,)S
(TR_ADDR,)336 2664 A
(TR_VLSIZE)))462 3042 A
3546(==)S
3672(0))S
(return(EIO);)504 3798 A
3510 V
(15504)210 648 A
(phys_copy(src,)588 1698 A
(vir2phys(&TR_DATA),)798 2328 A
((phys_bytes))504 3168 A
(sizeof(long));)588 3714 A
3600 V
(15505)210 648 A
(break;)252 1698 A
3690 V
(15506)210 648 A
1362(})S
3780 V
(15507)210 648 A
1362(/*)S
(Text)168 1488 A
(space)210 1698 A
1950(is)S
(actually)336 2076 A
(data)168 2454 A
(space)210 2664 A
2916(-)S
(fall)168 3000 A
(through.)336 3210 A
3588(*/)S
3870 V
(15508)210 648 A
3960 V
(15509)210 648 A
(case)168 1110 A
(T_GETDATA:)420 1320 A
2370(/*)S
(return)252 2496 A
(value)210 2790 A
(from)168 3042 A
(data)168 3252 A
(space)210 3462 A
3714(*/)S
4050 V
(15510)210 648 A
1362(if)S
(((src)210 1488 A
1740(=)S
(umap(rp,)336 1824 A
2202(D,)S
(TR_ADDR,)336 2328 A
(TR_VLSIZE)))462 2706 A
3210(==)S
3336(0))S
(return(EIO);)504 3462 A
4140 V
(15511)210 648 A
(phys_copy(src,)588 1362 A
(vir2phys(&TR_DATA),)798 1992 A
((phys_bytes))504 2832 A
(sizeof(long));)588 3378 A
4230 V
(15512)210 648 A
(break;)252 1362 A
4320 V
(15513)210 648 A
4410 V
(15514)210 648 A
(case)168 1110 A
(T_GETUSER:)420 1320 A
2370(/*)S
(return)252 2496 A
(value)210 2790 A
(from)168 3042 A
(process)294 3252 A
(table)210 3588 A
3840(*/)S
4500 V
(15515)210 648 A
1362(if)S
(((TR_ADDR)378 1488 A
1908(&)S
((sizeof(long))546 1992 A
2580(-)S
(1)))126 2664 A
2832(!=)S
2958(0)S
3042(||)S
4590 V
(15516)210 648 A
(TR_ADDR)294 1530 A
1866(>)S
(sizeof(struct)546 1950 A
(proc))210 2538 A
2790(-)S
(sizeof(long)))546 2874 A
4680 V
(15517)210 648 A
(return(EIO);)504 1698 A
4770 V
(15518)210 648 A
(TR_DATA)294 1362 A
1698(=)S
(*(long)252 1782 A
2076(*))S
(((char)252 2202 A
2496(*))S
2622(rp)S
2748(+)S
((int))210 2832 A
(TR_ADDR);)378 3084 A
4860 V
(15519)210 648 A
(break;)252 1362 A
4950 V
(15520)210 648 A
5040 V
(15521)210 648 A
(case)168 1110 A
(T_SETINS:)378 1320 A
2370(/*)S
(set)126 2496 A
(value)210 2664 A
2916(in)S
(instruction)462 3042 A
(space)210 3546 A
3798(*/)S
5130 V
(15522)210 648 A
1362(if)S
((rp->p_map[T].mem_len)882 1488 A
2412(!=)S
2538(0))S
2664({)S
5220 V
(15523)210 648 A
1698(if)S
(((dst)210 1824 A
2076(=)S
(umap(rp,)336 2160 A
2538(T,)S
(TR_ADDR,)336 2664 A
(TR_VLSIZE)))462 3042 A
3546(==)S
3672(0))S
(return(EIO);)504 3798 A
5310 V
(15524)210 648 A
(phys_copy(vir2phys(&TR_DATA),)1218 1698 A
(dst,)168 2958 A
((phys_bytes))504 3168 A
(sizeof(long));)588 3714 A
5400 V
(15525)210 648 A
(TR_DATA)294 1698 A
2034(=)S
2118(0;)S
5490 V
(15526)210 648 A
(break;)252 1698 A
5580 V
(15527)210 648 A
1362(})S
5670 V
(15528)210 648 A
1362(/*)S
(Text)168 1488 A
(space)210 1698 A
1950(is)S
(actually)336 2076 A
(data)168 2454 A
(space)210 2664 A
2916(-)S
(fall)168 3000 A
(through.)336 3210 A
3588(*/)S
5760 V
(15529)210 648 A
5850 V
(15530)210 648 A
(case)168 1110 A
(T_SETDATA:)420 1320 A
2706(/*)S
(set)126 2832 A
(value)210 3000 A
3252(in)S
(data)168 3378 A
(space)210 3588 A
3840(*/)S
5940 V
(15531)210 648 A
1362(if)S
(((dst)210 1488 A
1740(=)S
(umap(rp,)336 1824 A
2202(D,)S
(TR_ADDR,)336 2328 A
(TR_VLSIZE)))462 2706 A
3210(==)S
3336(0))S
(return(EIO);)504 3462 A
6030 V
(15532)210 648 A
(phys_copy(vir2phys(&TR_DATA),)1218 1362 A
(dst,)168 2622 A
((phys_bytes))504 2832 A
(sizeof(long));)588 3378 A
6120 V
(15533)210 648 A
(TR_DATA)294 1362 A
1698(=)S
1782(0;)S
6210 V
(15534)210 648 A
(break;)252 1362 A
8418 V
EP
%%Page: 218 218
BP
/slant 0 def
/height 0 def
630 V
12 B
(218)180 648 A
11 R
1993(File:)S
2226(src/kernel/system.c)S
10 R
3402(MINIX)S
3730(SOURCE)S
4153(CODE)S
900 V
7 LST
(15535)210 648 A
990 V
(15536)210 648 A
(case)168 1110 A
(T_SETUSER:)420 1320 A
2706(/*)S
(set)126 2832 A
(value)210 3000 A
3252(in)S
(process)294 3378 A
(table)210 3714 A
3966(*/)S
1080 V
(15537)210 648 A
1362(if)S
(((TR_ADDR)378 1488 A
1908(&)S
((sizeof(reg_t))588 1992 A
2622(-)S
(1)))126 2706 A
2874(!=)S
3000(0)S
3084(||)S
1170 V
(15538)210 648 A
(TR_ADDR)294 1572 A
1908(>)S
(sizeof(struct)546 1992 A
(stackframe_s))546 2580 A
3168(-)S
(sizeof(reg_t)))588 3252 A
1260 V
(15539)210 648 A
(return(EIO);)504 1698 A
1350 V
(15540)210 648 A
1362(i)S
1446(=)S
((int))210 1530 A
(TR_ADDR;)336 1782 A
1440 V
(15541)210 648 A
(#if)126 1026 A
((CHIP)210 1194 A
1446(==)S
(INTEL))252 1572 A
1530 V
(15542)210 648 A
1362(/*)S
(Altering)336 1488 A
(segment)294 1866 A
(registers)378 2202 A
(might)210 2622 A
(crash)210 2874 A
(the)126 3126 A
(kernel)252 3294 A
(when)168 3588 A
3798(it)S
1620 V
(15543)210 648 A
1404(*)S
(tries)210 1488 A
1740(to)S
(load)168 1866 A
(them)168 2076 A
(prior)210 2286 A
2538(to)S
(restarting)420 2664 A
3126(a)S
(process,)336 3210 A
3588(so)S
3714(do)S
1710 V
(15544)210 648 A
1404(*)S
(not)126 1488 A
(allow)210 1656 A
(it.)126 1908 A
1800 V
(15545)210 648 A
1404(*/)S
1890 V
(15546)210 648 A
1362(if)S
1488((i)S
1614(==)S
((int))210 1740 A
(&((struct)378 1992 A
(proc)168 2412 A
2622(*))S
(0)->p_reg.cs)504 2748 A
3294(||)S
1980 V
(15547)210 648 A
1530(i)S
1614(==)S
((int))210 1740 A
(&((struct)378 1992 A
(proc)168 2412 A
2622(*))S
(0)->p_reg.ds)504 2748 A
3294(||)S
2070 V
(15548)210 648 A
1530(i)S
1614(==)S
((int))210 1740 A
(&((struct)378 1992 A
(proc)168 2412 A
2622(*))S
(0)->p_reg.es)504 2748 A
3294(||)S
2160 V
(15549)210 648 A
(#if)126 1026 A
(_WORD_SIZE)420 1194 A
1656(==)S
1782(4)S
2250 V
(15550)210 648 A
1530(i)S
1614(==)S
((int))210 1740 A
(&((struct)378 1992 A
(proc)168 2412 A
2622(*))S
(0)->p_reg.gs)504 2748 A
3294(||)S
2340 V
(15551)210 648 A
1530(i)S
1614(==)S
((int))210 1740 A
(&((struct)378 1992 A
(proc)168 2412 A
2622(*))S
(0)->p_reg.fs)504 2748 A
3294(||)S
2430 V
(15552)210 648 A
(#endif)252 1026 A
2520 V
(15553)210 648 A
1530(i)S
1614(==)S
((int))210 1740 A
(&((struct)378 1992 A
(proc)168 2412 A
2622(*))S
(0)->p_reg.ss))546 2748 A
2610 V
(15554)210 648 A
(return(EIO);)504 1698 A
2700 V
(15555)210 648 A
(#endif)252 1026 A
2790 V
(15556)210 648 A
1362(if)S
1488((i)S
1614(==)S
((int))210 1740 A
(&((struct)378 1992 A
(proc)168 2412 A
2622(*))S
(0)->p_reg.psw))588 2748 A
2880 V
(15557)210 648 A
1698(/*)S
(only)168 1824 A
(selected)336 2034 A
(bits)168 2412 A
(are)126 2622 A
(changeable)420 2790 A
3252(*/)S
2970 V
(15558)210 648 A
(SETPSW(rp,)420 1698 A
(TR_DATA);)378 2160 A
3060 V
(15559)210 648 A
(else)168 1362 A
3150 V
(15560)210 648 A
(*(reg_t)294 1698 A
2034(*))S
(((char)252 2160 A
2454(*))S
(&rp->p_reg)420 2580 A
3042(+)S
3126(i))S
3252(=)S
((reg_t))294 3336 A
(TR_DATA;)336 3672 A
3240 V
(15561)210 648 A
(TR_DATA)294 1362 A
1698(=)S
1782(0;)S
3330 V
(15562)210 648 A
(break;)252 1362 A
3420 V
(15563)210 648 A
3510 V
(15564)210 648 A
(case)168 1110 A
(T_RESUME:)378 1320 A
2370(/*)S
(resume)252 2496 A
(execution)378 2790 A
3210(*/)S
3600 V
(15565)210 648 A
(rp->p_flags)462 1362 A
1866(&=)S
(304P_STOP;)336 1992 A
3690 V
(15566)210 648 A
1362(if)S
((rp->p_flags)504 1488 A
2034(==)S
2160(0))S
(lock_ready(rp);)630 2286 A
3780 V
(15567)210 648 A
(TR_DATA)294 1362 A
1698(=)S
1782(0;)S
3870 V
(15568)210 648 A
(break;)252 1362 A
3960 V
(15569)210 648 A
4050 V
(15570)210 648 A
(case)168 1110 A
(T_STEP:)294 1320 A
2370(/*)S
(set)126 2496 A
(trace)210 2664 A
(bit)126 2916 A
3084(*/)S
4140 V
(15571)210 648 A
(rp->p_reg.psw)546 1362 A
1950(|=)S
(TRACEBIT;)378 2076 A
4230 V
(15572)210 648 A
(rp->p_flags)462 1362 A
1866(&=)S
(304P_STOP;)336 1992 A
4320 V
(15573)210 648 A
1362(if)S
((rp->p_flags)504 1488 A
2034(==)S
2160(0))S
(lock_ready(rp);)630 2286 A
4410 V
(15574)210 648 A
(TR_DATA)294 1362 A
1698(=)S
1782(0;)S
4500 V
(15575)210 648 A
(break;)252 1362 A
4590 V
(15576)210 648 A
4680 V
(15577)210 648 A
(default:)336 1110 A
4770 V
(15578)210 648 A
(return(EIO);)504 1362 A
4860 V
(15579)210 648 A
1110(})S
4950 V
(15580)210 648 A
(return(OK);)462 1110 A
5040 V
(15581)210 648 A
1026(})S
5220 V
(15583)210 648 A
(/*===========================================================================*)3276 1026 A
5310 V
(15584)210 648 A
1068(*)S
(cause_sig)378 2370 A
4260(*)S
5400 V
(15585)210 648 A
(*===========================================================================*/)3276 1068 A
5490 V
(15586)210 648 A
(PUBLIC)252 1026 A
(void)168 1320 A
(cause_sig(proc_nr,)756 1530 A
(sig_nr))294 2328 A
5580 V
(15587)210 648 A
(int)126 1026 A
(proc_nr;)336 1194 A
2370(/*)S
(process)294 2496 A
2832(to)S
2958(be)S
(signalled)378 3084 A
3504(*/)S
5670 V
(15588)210 648 A
(int)126 1026 A
(sig_nr;)294 1194 A
2370(/*)S
(signal)252 2496 A
2790(to)S
2916(be)S
(sent,)210 3042 A
3294(1)S
3378(to)S
(_NSIG)210 3504 A
3756(*/)S
5760 V
(15589)210 648 A
1026({)S
5850 V
(15590)210 648 A
1026(/*)S
1152(A)S
(task)168 1236 A
(wants)210 1446 A
1698(to)S
(send)168 1824 A
2034(a)S
(signal)252 2118 A
2412(to)S
2538(a)S
(process.)336 2622 A
(Examples)336 3084 A
3462(of)S
(such)168 3588 A
(tasks)210 3798 A
(are:)168 4050 A
5940 V
(15591)210 648 A
1068(*)S
(TTY)126 1236 A
(wanting)294 1404 A
1740(to)S
(cause)210 1866 A
(SIGINT)252 2118 A
(upon)168 2412 A
(getting)294 2622 A
2958(a)S
(DEL)126 3042 A
6030 V
(15592)210 648 A
1068(*)S
(CLOCK)210 1236 A
(wanting)294 1488 A
1824(to)S
(cause)210 1950 A
(SIGALRM)294 2202 A
(when)168 2538 A
(timer)210 2748 A
(expires)294 3000 A
6120 V
(15593)210 648 A
1068(*)S
1152(FS)S
(also)168 1278 A
(uses)168 1488 A
(this)168 1698 A
1908(to)S
(send)168 2034 A
2244(a)S
(signal,)294 2328 A
(via)126 2664 A
(the)126 2832 A
(SYS_KILL)336 3000 A
(message.)336 3378 A
6210 V
(15594)210 648 A
1068(*)S
(Signals)294 1152 A
(are)126 1488 A
(handled)294 1656 A
1992(by)S
(sending)294 2118 A
2454(a)S
(message)294 2538 A
2874(to)S
(MM.)126 3000 A
(The)126 3210 A
(tasks)210 3378 A
(don't)210 3630 A
(dare)168 3882 A
4092(do)S
8418 V
EP
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/slant 0 def
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630 V
10 R
648(MINIX)S
976(SOURCE)S
1399(CODE)S
11 R
1993(File:)S
2226(src/kernel/system.c)S
12 B
(219)180 4248 A
900 V
7 LST
(15595)210 648 A
1068(*)S
(that)168 1152 A
(directly,)378 1362 A
(for)126 1782 A
(fear)168 1950 A
2160(of)S
(what)168 2286 A
(would)210 2496 A
(happen)252 2748 A
3042(if)S
3168(MM)S
(were)168 3294 A
(busy.)210 3504 A
(Instead)294 3798 A
(they)168 4134 A
990 V
(15596)210 648 A
1068(*)S
(call)168 1152 A
(cause_sig,)420 1362 A
(which)210 1824 A
(sets)168 2076 A
(bits)168 2286 A
2496(in)S
(p_pending,)420 2622 A
(and)126 3084 A
(then)168 3252 A
(carefully)378 3462 A
(checks)252 3882 A
4176(to)S
1080 V
(15597)210 648 A
1068(*)S
(see)126 1152 A
1320(if)S
1446(MM)S
1572(is)S
(free.)210 1698 A
1992(If)S
(so,)126 2118 A
2286(a)S
(message)294 2370 A
2706(is)S
(sent)168 2832 A
3042(to)S
(it.)126 3168 A
3378(If)S
(not,)168 3504 A
(when)168 3714 A
3924(it)S
(becomes)294 4050 A
1170 V
(15598)210 648 A
1068(*)S
(free,)210 1152 A
1404(a)S
(message)294 1488 A
1824(is)S
(sent.)210 1950 A
(The)126 2244 A
(process)294 2412 A
(being)210 2748 A
(signaled)336 3000 A
3378(is)S
(blocked)294 3504 A
(while)210 3840 A
4092(MM)S
1260 V
(15599)210 648 A
1068(*)S
(has)126 1152 A
(not)126 1320 A
(seen)168 1488 A
1698(or)S
(finished)336 1824 A
(with)168 2202 A
(all)126 2412 A
(signals)294 2580 A
(for)126 2916 A
(it.)126 3084 A
(These)210 3294 A
(signals)294 3546 A
(are)126 3882 A
1350 V
(15600)210 648 A
1068(*)S
(counted)294 1152 A
1488(in)S
(p_pendcount,)504 1614 A
(and)126 2160 A
(the)126 2328 A
(SIG_PENDING)462 2496 A
(flag)168 3000 A
3210(is)S
(kept)168 3336 A
(nonzero)294 3546 A
(while)210 3882 A
1440 V
(15601)210 648 A
1068(*)S
(there)210 1152 A
(are)126 1404 A
(some.)210 1572 A
1866(It)S
1992(is)S
(not)126 2118 A
(sufficient)420 2286 A
2748(to)S
(ready)210 2874 A
(the)126 3126 A
(process)294 3294 A
(when)168 3630 A
3840(MM)S
3966(is)S
1530 V
(15602)210 648 A
1068(*)S
(informed,)378 1152 A
(because)294 1572 A
1908(MM)S
(can)126 2034 A
(block)210 2202 A
(waiting)294 2454 A
(for)126 2790 A
2958(FS)S
3084(to)S
3210(do)S
3336(a)S
(core)168 3420 A
(dump.)210 3630 A
1620 V
(15603)210 648 A
1068(*/)S
1710 V
(15604)210 648 A
1800 V
(15605)210 648 A
(register)336 1110 A
(struct)252 1488 A
(proc)168 1782 A
(*rp,)168 1992 A
(*mmp;)210 2202 A
1890 V
(15606)210 648 A
1980 V
(15607)210 648 A
1110(rp)S
1236(=)S
(proc_addr(proc_nr);)798 1320 A
2070 V
(15608)210 648 A
1110(if)S
((sigismember(&rp->p_pending,)1176 1236 A
(sig_nr)))336 2454 A
2160 V
(15609)210 648 A
(return;)294 1362 A
2370(/*)S
(this)168 2496 A
(signal)252 2706 A
(already)294 3000 A
(pending)294 3336 A
3672(*/)S
2250 V
(15610)210 648 A
(sigaddset(&rp->p_pending,)1050 1110 A
(sig_nr);)336 2202 A
2340 V
(15611)210 648 A
(++rp->p_pendcount;)756 1110 A
2370(/*)S
(count)210 2496 A
(new)126 2748 A
(signal)252 2916 A
(pending)294 3210 A
3546(*/)S
2430 V
(15612)210 648 A
1110(if)S
((rp->p_flags)504 1236 A
1782(&)S
(PENDING))336 1866 A
2520 V
(15613)210 648 A
(return;)294 1362 A
2370(/*)S
(another)294 2496 A
(signal)252 2832 A
(already)294 3126 A
(pending)294 3462 A
3798(*/)S
2610 V
(15614)210 648 A
1110(if)S
((rp->p_flags)504 1236 A
1782(==)S
1908(0))S
(lock_unready(rp);)714 2034 A
2700 V
(15615)210 648 A
(rp->p_flags)462 1110 A
1614(|=)S
(PENDING)294 1740 A
2076(|)S
(SIG_PENDING;)504 2160 A
2790 V
(15616)210 648 A
(++sig_procs;)504 1110 A
2370(/*)S
(count)210 2496 A
(new)126 2748 A
(process)294 2916 A
(pending)294 3252 A
3588(*/)S
2880 V
(15617)210 648 A
2970 V
(15618)210 648 A
(mmp)126 1110 A
1278(=)S
(proc_addr(MM_PROC_NR);)924 1362 A
3060 V
(15619)210 648 A
1110(if)S
1236(()S
(((mmp->p_flags)588 1320 A
1950(&)S
(RECEIVING))420 2034 A
2496(==)S
2622(0))S
2748(||)S
(mmp->p_getfrom)588 2874 A
3504(!=)S
(ANY))168 3630 A
(return;)294 3840 A
3150 V
(15620)210 648 A
(inform();)378 1110 A
3240 V
(15621)210 648 A
1026(})S
3510 V
(15624)210 648 A
(/*===========================================================================*)3276 1026 A
3600 V
(15625)210 648 A
1068(*)S
(inform)252 2370 A
4260(*)S
3690 V
(15626)210 648 A
(*===========================================================================*/)3276 1068 A
3780 V
(15627)210 648 A
(PUBLIC)252 1026 A
(void)168 1320 A
(inform())336 1530 A
3870 V
(15628)210 648 A
1026({)S
3960 V
(15629)210 648 A
1026(/*)S
(When)168 1152 A
1362(a)S
(signal)252 1446 A
1740(is)S
(detected)336 1866 A
2244(by)S
(the)126 2370 A
(kernel)252 2538 A
((e.g.,)252 2832 A
(DEL),)210 3126 A
3378(or)S
(generated)378 3504 A
3924(by)S
4050(a)S
(task)168 4134 A
4050 V
(15630)210 648 A
1068(*)S
((e.g.)210 1152 A
(clock)210 1404 A
(task)168 1656 A
(for)126 1866 A
(SIGALRM),)378 2034 A
(cause_sig())462 2454 A
2958(is)S
(called)252 3084 A
3378(to)S
(set)126 3504 A
3672(a)S
(bit)126 3756 A
3924(in)S
(the)126 4050 A
4140 V
(15631)210 648 A
1068(*)S
(p_pending)378 1152 A
(field)210 1572 A
1824(of)S
(the)126 1950 A
(process)294 2118 A
2454(to)S
(signal.)294 2580 A
(Then)168 2958 A
(inform())336 3168 A
3546(is)S
(called)252 3672 A
3966(to)S
(see)126 4092 A
4230 V
(15632)210 648 A
1068(*)S
1152(if)S
1278(MM)S
1404(is)S
(idle)168 1530 A
(and)126 1740 A
(can)126 1908 A
2076(be)S
(told)168 2202 A
(about)210 2412 A
(it.)126 2664 A
(Whenever)336 2874 A
3252(MM)S
(blocks,)294 3378 A
3714(a)S
(check)210 3798 A
4050(is)S
4320 V
(15633)210 648 A
1068(*)S
(made)168 1152 A
1362(to)S
(see)126 1488 A
1656(if)S
('sig_procs')462 1782 A
2286(is)S
(nonzero;)336 2412 A
2790(if)S
(so,)126 2916 A
(inform())336 3084 A
3462(is)S
(called.)294 3588 A
4410 V
(15634)210 648 A
1068(*/)S
4500 V
(15635)210 648 A
4590 V
(15636)210 648 A
(register)336 1110 A
(struct)252 1488 A
(proc)168 1782 A
(*rp;)168 1992 A
4680 V
(15637)210 648 A
4770 V
(15638)210 648 A
1110(/*)S
1236(MM)S
1362(is)S
(waiting)294 1488 A
(for)126 1824 A
(new)126 1992 A
(input.)252 2160 A
(Find)168 2496 A
2706(a)S
(process)294 2790 A
(with)168 3126 A
(pending)294 3336 A
(signals.)336 3672 A
4050(*/)S
4860 V
(15639)210 648 A
(for)126 1110 A
((rp)126 1278 A
1446(=)S
(BEG_SERV_ADDR;)588 1530 A
2160(rp)S
2286(<)S
(END_PROC_ADDR;)588 2370 A
(rp++))210 3000 A
4950 V
(15640)210 648 A
1362(if)S
((rp->p_flags)504 1488 A
2034(&)S
(PENDING))336 2118 A
2496({)S
5040 V
(15641)210 648 A
(m.m_type)336 1698 A
2076(=)S
(KSIG;)210 2160 A
5130 V
(15642)210 648 A
(m.SIG_PROC)420 1698 A
2160(=)S
(proc_number(rp);)672 2244 A
5220 V
(15643)210 648 A
(m.SIG_MAP)378 1698 A
2118(=)S
(rp->p_pending;)588 2202 A
5310 V
(15644)210 648 A
(sig_procs--;)504 1698 A
5400 V
(15645)210 648 A
1698(if)S
((lock_mini_send(proc_addr(HARDWARE),)1512 1824 A
(MM_PROC_NR,)462 3378 A
(&m))126 3882 A
4050(!=)S
(OK))126 4176 A
5490 V
(15646)210 648 A
(panic("can't)504 2034 A
(inform)252 2580 A
(MM",)168 2874 A
(NO_NUM);)336 3084 A
5580 V
(15647)210 648 A
(sigemptyset(&rp->p_pending);)1176 1698 A
2916(/*)S
(the)126 3042 A
(ball)168 3210 A
3420(is)S
(now)126 3546 A
3714(in)S
(MM's)168 3840 A
(court)210 4050 A
4302(*/)S
5670 V
(15648)210 648 A
(rp->p_flags)462 1698 A
2202(&=)S
(304PENDING;/*)462 2328 A
(remains)294 2832 A
(inhibited)378 3168 A
3588(by)S
(SIG_PENDING)462 3714 A
4218(*/)S
5760 V
(15649)210 648 A
(lock_pick_proc();)714 1698 A
2706(/*)S
(avoid)210 2832 A
(delay)210 3084 A
3336(in)S
(scheduling)420 3462 A
3924(MM)S
4050(*/)S
5850 V
(15650)210 648 A
(return;)294 1698 A
5940 V
(15651)210 648 A
1362(})S
6030 V
(15652)210 648 A
1026(})S
8418 V
EP
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/slant 0 def
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630 V
12 B
(220)180 648 A
11 R
1993(File:)S
2226(src/kernel/system.c)S
10 R
3402(MINIX)S
3730(SOURCE)S
4153(CODE)S
900 V
7 LST
(15655)210 648 A
(/*===========================================================================*)3276 1026 A
990 V
(15656)210 648 A
1068(*)S
(umap)168 2370 A
4260(*)S
1080 V
(15657)210 648 A
(*===========================================================================*/)3276 1068 A
1170 V
(15658)210 648 A
(PUBLIC)252 1026 A
(phys_bytes)420 1320 A
(umap(rp,)336 1782 A
(seg,)168 2160 A
(vir_addr,)378 2370 A
(bytes))252 2790 A
1260 V
(15659)210 648 A
(register)336 1026 A
(struct)252 1404 A
(proc)168 1698 A
(*rp;)168 1908 A
2370(/*)S
(pointer)294 2496 A
2832(to)S
(proc)168 2958 A
(table)210 3168 A
(entry)210 3420 A
(for)126 3672 A
(process)294 3840 A
4176(*/)S
1350 V
(15660)210 648 A
(int)126 1026 A
(seg;)168 1194 A
2370(/*)S
2496(T,)S
2622(D,)S
2748(or)S
2874(S)S
(segment)294 2958 A
3294(*/)S
1440 V
(15661)210 648 A
(vir_bytes)378 1026 A
(vir_addr;)378 1446 A
2370(/*)S
(virtual)294 2496 A
(address)294 2832 A
3168(in)S
(bytes)210 3294 A
(within)252 3546 A
(the)126 3840 A
(seg)126 4008 A
4176(*/)S
1530 V
(15662)210 648 A
(vir_bytes)378 1026 A
(bytes;)252 1446 A
2370(/*)S
2496(#)S
2580(of)S
(bytes)210 2706 A
2958(to)S
3084(be)S
(copied)252 3210 A
3504(*/)S
1620 V
(15663)210 648 A
1026({)S
1710 V
(15664)210 648 A
1026(/*)S
(Calculate)378 1152 A
(the)126 1572 A
(physical)336 1740 A
(memory)252 2118 A
(address)294 2412 A
(for)126 2748 A
2916(a)S
(given)210 3000 A
(virtual)294 3252 A
(address.)336 3588 A
3966(*/)S
1800 V
(15665)210 648 A
1890 V
(15666)210 648 A
(vir_clicks)420 1110 A
(vc;)126 1572 A
2370(/*)S
(the)126 2496 A
(virtual)294 2664 A
(address)294 3000 A
3336(in)S
(clicks)252 3462 A
3756(*/)S
1980 V
(15667)210 648 A
(phys_bytes)420 1110 A
(pa;)126 1572 A
2370(/*)S
(intermediate)504 2496 A
(variables)378 3042 A
3462(as)S
(phys_bytes)420 3588 A
4050(*/)S
2070 V
(15668)210 648 A
(phys_bytes)420 1110 A
(seg_base;)378 1572 A
2160 V
(15669)210 648 A
2250 V
(15670)210 648 A
1110(/*)S
1236(If)S
('seg')210 1362 A
1614(is)S
1740(D)S
1824(it)S
(could)210 1950 A
(really)252 2202 A
2496(be)S
2622(S)S
(and)126 2706 A
(vice)168 2874 A
(versa.)252 3084 A
3420(T)S
(really)252 3504 A
(means)210 3798 A
4050(T.)S
2340 V
(15671)210 648 A
1152(*)S
1236(If)S
(the)126 1362 A
(virtual)294 1530 A
(address)294 1866 A
(falls)210 2202 A
2454(in)S
(the)126 2580 A
(gap,)168 2748 A
3000(it)S
(causes)252 3126 A
3420(a)S
(problem.)336 3504 A
3882(On)S
(the)126 4008 A
2430 V
(15672)210 648 A
1152(*)S
(8088)168 1236 A
1446(it)S
1572(is)S
(probably)336 1698 A
2076(a)S
(legal)210 2160 A
(stack)210 2412 A
(reference,)420 2664 A
(since)210 3126 A
("stackfaults")546 3378 A
(are)126 3966 A
2520 V
(15673)210 648 A
1152(*)S
(not)126 1236 A
(detected)336 1404 A
1782(by)S
(the)126 1908 A
(hardware.)378 2076 A
2538(On)S
(8088s,)252 2664 A
(the)126 2958 A
(gap)126 3126 A
3294(is)S
(called)252 3420 A
3714(S)S
(and)126 3798 A
2610 V
(15674)210 648 A
1152(*)S
(accepted,)378 1236 A
(but)126 1656 A
1824(on)S
(other)210 1950 A
(machines)336 2202 A
2580(it)S
2706(is)S
(called)252 2832 A
3126(D)S
(and)126 3210 A
(rejected.)378 3378 A
2700 V
(15675)210 648 A
1152(*)S
(The)126 1236 A
(Atari)210 1404 A
1656(ST)S
(behaves)294 1782 A
(like)168 2118 A
(the)126 2328 A
(8088)168 2496 A
2706(in)S
(this)168 2832 A
(respect.)336 3042 A
2790 V
(15676)210 648 A
1152(*/)S
2880 V
(15677)210 648 A
2970 V
(15678)210 648 A
1110(if)S
((bytes)252 1236 A
1530(<=)S
1656(0))S
(return()294 1782 A
((phys_bytes))504 2118 A
(0);)126 2664 A
3060 V
(15679)210 648 A
1110(vc)S
1236(=)S
((vir_addr)378 1320 A
1740(+)S
(bytes)210 1824 A
2076(-)S
2160(1))S
2286(>>)S
(CLICK_SHIFT;)504 2412 A
3042(/*)S
(last)168 3168 A
(click)210 3378 A
3630(of)S
(data)168 3756 A
3966(*/)S
3150 V
(15680)210 648 A
3240 V
(15681)210 648 A
1110(if)S
((seg)168 1236 A
1446(!=)S
1572(T))S
3330 V
(15682)210 648 A
(seg)126 1362 A
1530(=)S
((vc)126 1614 A
1782(<)S
(rp->p_map[D].mem_vir)840 1866 A
2748(+)S
(rp->p_map[D].mem_len)840 2832 A
3714(?)S
3798(D)S
3882(:)S
(S);)126 3966 A
3420 V
(15683)210 648 A
3510 V
(15684)210 648 A
(if((vir_addr>>CLICK_SHIFT))1092 1110 A
2244(>=)S
(rp->p_map[seg].mem_vir+)966 2370 A
(rp->p_map[seg].mem_len))966 3378 A
3600 V
(15685)210 648 A
(return()294 1362 A
((phys_bytes))504 1698 A
2244(0)S
2328();)S
3690 V
(15686)210 648 A
(seg_base)336 1110 A
1488(=)S
((phys_bytes))504 1572 A
(rp->p_map[seg].mem_phys;)1008 2118 A
3780 V
(15687)210 648 A
(seg_base)336 1110 A
1488(=)S
(seg_base)336 1572 A
1950(<<)S
(CLICK_SHIFT;)504 2076 A
2706(/*)S
(segment)294 2832 A
(origin)252 3168 A
3462(in)S
(bytes)210 3588 A
3840(*/)S
3870 V
(15688)210 648 A
1110(pa)S
1236(=)S
((phys_bytes))504 1320 A
(vir_addr;)378 1866 A
3960 V
(15689)210 648 A
1110(pa)S
1236(-=)S
(rp->p_map[seg].mem_vir)924 1362 A
2328(<<)S
(CLICK_SHIFT;)504 2454 A
4050 V
(15690)210 648 A
(return(seg_base)630 1110 A
1782(+)S
(pa);)168 1866 A
4140 V
(15691)210 648 A
1026(})S
4410 V
(15694)210 648 A
(/*==========================================================================*)3234 1026 A
4500 V
(15695)210 648 A
1068(*)S
(numap)210 2370 A
4218(*)S
4590 V
(15696)210 648 A
(*==========================================================================*/)3234 1068 A
4680 V
(15697)210 648 A
(PUBLIC)252 1026 A
(phys_bytes)420 1320 A
(numap(proc_nr,)588 1782 A
(vir_addr,)378 2412 A
(bytes))252 2832 A
4770 V
(15698)210 648 A
(int)126 1026 A
(proc_nr;)336 1194 A
2370(/*)S
(process)294 2496 A
(number)252 2832 A
3126(to)S
3252(be)S
(mapped)252 3378 A
3672(*/)S
4860 V
(15699)210 648 A
(vir_bytes)378 1026 A
(vir_addr;)378 1446 A
2370(/*)S
(virtual)294 2496 A
(address)294 2832 A
3168(in)S
(bytes)210 3294 A
(within)252 3546 A
3840(D)S
(seg)126 3924 A
4092(*/)S
4950 V
(15700)210 648 A
(vir_bytes)378 1026 A
(bytes;)252 1446 A
2370(/*)S
2496(#)S
2580(of)S
(bytes)210 2706 A
(required)336 2958 A
3336(in)S
(segment)294 3462 A
3840(*/)S
5040 V
(15701)210 648 A
1026({)S
5130 V
(15702)210 648 A
1026(/*)S
1152(Do)S
(umap())252 1278 A
(starting)336 1572 A
(from)168 1950 A
2160(a)S
(process)294 2244 A
(number)252 2580 A
(instead)294 2874 A
3210(of)S
3336(a)S
(pointer.)336 3420 A
(This)168 3840 A
5220 V
(15703)210 648 A
1068(*)S
(function)336 1152 A
1530(is)S
(used)168 1656 A
1866(by)S
(device)252 1992 A
(drivers,)336 2286 A
2664(so)S
(they)168 2790 A
(need)168 3000 A
(not)126 3210 A
(know)168 3378 A
(about)210 3588 A
(the)126 3840 A
5310 V
(15704)210 648 A
1068(*)S
(process)294 1152 A
(table.)252 1488 A
1824(To)S
(save)168 1950 A
(time,)210 2160 A
(there)210 2412 A
2664(is)S
2790(no)S
('seg')210 2916 A
(parameter.)420 3168 A
(The)126 3630 A
(segment)294 3798 A
5400 V
(15705)210 648 A
1068(*)S
1152(is)S
(always)252 1278 A
1572(D.)S
5490 V
(15706)210 648 A
1068(*/)S
5580 V
(15707)210 648 A
5670 V
(15708)210 648 A
(return(umap(proc_addr(proc_nr),)1302 1110 A
2454(D,)S
(vir_addr,)378 2580 A
(bytes));)336 3000 A
5760 V
(15709)210 648 A
1026(})S
5940 V
(15711)210 648 A
(#if)126 1026 A
((CHIP)210 1194 A
1446(==)S
(INTEL))252 1572 A
6030 V
(15712)210 648 A
(/*==========================================================================*)3234 1026 A
6120 V
(15713)210 648 A
1068(*)S
(alloc_segments)588 2370 A
4218(*)S
6210 V
(15714)210 648 A
(*==========================================================================*/)3234 1068 A
8418 V
EP
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/slant 0 def
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630 V
10 R
648(MINIX)S
976(SOURCE)S
1399(CODE)S
11 R
1993(File:)S
2226(src/kernel/system.c)S
12 B
(221)180 4248 A
900 V
7 LST
(15715)210 648 A
(PUBLIC)252 1026 A
(void)168 1320 A
(alloc_segments(rp))756 1530 A
990 V
(15716)210 648 A
(register)336 1026 A
(struct)252 1404 A
(proc)168 1698 A
(*rp;)168 1908 A
1080 V
(15717)210 648 A
1026({)S
1170 V
(15718)210 648 A
1026(/*)S
(This)168 1152 A
1362(is)S
(called)252 1488 A
(only)168 1782 A
1992(by)S
(do_newmap,)420 2118 A
(but)126 2580 A
2748(is)S
(broken)252 2874 A
(out)126 3168 A
3336(as)S
3462(a)S
(separate)336 3546 A
(function)336 3924 A
1260 V
(15719)210 648 A
1068(*)S
(because)294 1152 A
1488(so)S
(much)168 1614 A
1824(is)S
(hardware-dependent.)798 1950 A
1350 V
(15720)210 648 A
1068(*/)S
1440 V
(15721)210 648 A
1530 V
(15722)210 648 A
(phys_bytes)420 1110 A
(code_bytes;)462 1572 A
1620 V
(15723)210 648 A
(phys_bytes)420 1110 A
(data_bytes;)462 1572 A
1710 V
(15724)210 648 A
(int)126 1110 A
(privilege;)420 1278 A
1800 V
(15725)210 648 A
1890 V
(15726)210 648 A
1110(if)S
((protected_mode))672 1236 A
1950({)S
1980 V
(15727)210 648 A
(data_bytes)420 1362 A
1824(=)S
((phys_bytes))504 1908 A
((rp->p_map[S].mem_vir)882 2454 A
3378(+)S
(rp->p_map[S].mem_len))882 3462 A
2070 V
(15728)210 648 A
1908(<<)S
(CLICK_SHIFT;)504 2034 A
2160 V
(15729)210 648 A
1362(if)S
((rp->p_map[T].mem_len)882 1488 A
2412(==)S
2538(0))S
2250 V
(15730)210 648 A
(code_bytes)420 1698 A
2160(=)S
(data_bytes;)462 2244 A
3042(/*)S
(common)252 3168 A
(I&D,)168 3462 A
(poor)168 3672 A
(protect)294 3882 A
4218(*/)S
2340 V
(15731)210 648 A
(else)168 1362 A
2430 V
(15732)210 648 A
(code_bytes)420 1698 A
2160(=)S
((phys_bytes))504 2244 A
(rp->p_map[T].mem_len)840 2790 A
3672(<<)S
(CLICK_SHIFT;)504 3798 A
2520 V
(15733)210 648 A
(privilege)378 1362 A
1782(=)S
(istaskp(rp))462 1866 A
2370(?)S
(TASK_PRIVILEGE)588 2454 A
3084(:)S
(USER_PRIVILEGE;)630 3168 A
2610 V
(15734)210 648 A
(init_codeseg(&rp->p_ldt[CS_LDT_INDEX],)1596 1362 A
2700 V
(15735)210 648 A
((phys_bytes))504 1908 A
(rp->p_map[T].mem_phys)882 2454 A
3378(<<)S
(CLICK_SHIFT,)504 3504 A
2790 V
(15736)210 648 A
(code_bytes,)462 1908 A
(privilege);)462 2412 A
2880 V
(15737)210 648 A
(init_dataseg(&rp->p_ldt[DS_LDT_INDEX],)1596 1362 A
2970 V
(15738)210 648 A
((phys_bytes))504 1908 A
(rp->p_map[D].mem_phys)882 2454 A
3378(<<)S
(CLICK_SHIFT,)504 3504 A
3060 V
(15739)210 648 A
(data_bytes,)462 1908 A
(privilege);)462 2412 A
3150 V
(15740)210 648 A
(rp->p_reg.cs)504 1362 A
1908(=)S
((CS_LDT_INDEX)546 1992 A
2580(*)S
(DESC_SIZE))420 2664 A
3126(|)S
3210(TI)S
3336(|)S
(privilege;)420 3420 A
3240 V
(15741)210 648 A
(#if)126 1026 A
(_WORD_SIZE)420 1194 A
1656(==)S
1782(4)S
3330 V
(15742)210 648 A
(rp->p_reg.gs)504 1362 A
1908(=)S
3420 V
(15743)210 648 A
(rp->p_reg.fs)504 1362 A
1908(=)S
3510 V
(15744)210 648 A
(#endif)252 1026 A
3600 V
(15745)210 648 A
(rp->p_reg.ss)504 1362 A
1908(=)S
3690 V
(15746)210 648 A
(rp->p_reg.es)504 1362 A
1908(=)S
3780 V
(15747)210 648 A
(rp->p_reg.ds)504 1362 A
1908(=)S
((DS_LDT_INDEX*DESC_SIZE))1008 1992 A
3042(|)S
3126(TI)S
3252(|)S
(privilege;)420 3336 A
3870 V
(15748)210 648 A
1110(})S
(else)168 1194 A
1404({)S
3960 V
(15749)210 648 A
(rp->p_reg.cs)504 1362 A
1908(=)S
(click_to_hclick(rp->p_map[T].mem_phys);)1638 1992 A
4050 V
(15750)210 648 A
(rp->p_reg.ss)504 1362 A
1908(=)S
4140 V
(15751)210 648 A
(rp->p_reg.es)504 1362 A
1908(=)S
4230 V
(15752)210 648 A
(rp->p_reg.ds)504 1362 A
1908(=)S
(click_to_hclick(rp->p_map[D].mem_phys);)1638 1992 A
4320 V
(15753)210 648 A
1110(})S
4410 V
(15754)210 648 A
1026(})S
4500 V
(15755)210 648 A
(#endif)252 1026 A
1320(/*)S
((CHIP)210 1446 A
1698(==)S
(INTEL))252 1824 A
2118(*/)S
5040 V
(++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++)3528 648 A
5130 V
(src/mm/mm.h)462 2034 A
5220 V
(++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++)3528 648 A
5400 V
(15800)210 648 A
1026(/*)S
(This)168 1152 A
1362(is)S
(the)126 1488 A
(master)252 1656 A
(header)252 1950 A
(for)126 2244 A
(mm.)126 2412 A
2622(It)S
(includes)336 2748 A
(some)168 3126 A
(other)210 3336 A
(files)210 3588 A
5490 V
(15801)210 648 A
1068(*)S
(and)126 1152 A
(defines)294 1320 A
(the)126 1656 A
(principal)378 1824 A
(constants.)420 2244 A
5580 V
(15802)210 648 A
1068(*/)S
5670 V
(15803)210 648 A
(#define)294 1026 A
(_POSIX_SOURCE)546 1362 A
2160(1)S
2370(/*)S
(tell)168 2496 A
(headers)294 2706 A
3042(to)S
(include)294 3168 A
(POSIX)210 3504 A
(stuff)210 3756 A
4008(*/)S
5760 V
(15804)210 648 A
(#define)294 1026 A
(_MINIX)252 1362 A
2160(1)S
2370(/*)S
(tell)168 2496 A
(headers)294 2706 A
3042(to)S
(include)294 3168 A
(MINIX)210 3504 A
(stuff)210 3756 A
4008(*/)S
5850 V
(15805)210 648 A
(#define)294 1026 A
(_SYSTEM)294 1362 A
2160(1)S
2370(/*)S
(tell)168 2496 A
(headers)294 2706 A
(that)168 3042 A
(this)168 3252 A
3462(is)S
(the)126 3588 A
(kernel)252 3756 A
4050(*/)S
5940 V
(15806)210 648 A
6030 V
(15807)210 648 A
1026(/*)S
(The)126 1152 A
(following)378 1320 A
(are)126 1740 A
1908(so)S
(basic,)252 2034 A
(all)126 2328 A
(the)126 2496 A
(*.c)126 2664 A
(files)210 2832 A
(get)126 3084 A
(them)168 3252 A
(automatically.)588 3462 A
4092(*/)S
6120 V
(15808)210 648 A
(#include)336 1026 A
(<minix/config.h>)672 1404 A
2370(/*)S
(MUST)168 2496 A
2706(be)S
(first)210 2832 A
3084(*/)S
6210 V
(15809)210 648 A
(#include)336 1026 A
(<ansi.h>)336 1404 A
2370(/*)S
(MUST)168 2496 A
2706(be)S
(second)252 2832 A
3126(*/)S
8418 V
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/slant 0 def
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630 V
12 B
(222)180 648 A
11 R
2112(File:)S
2345(src/mm/mm.h)S
10 R
3402(MINIX)S
3730(SOURCE)S
4153(CODE)S
900 V
7 LST
(15810)210 648 A
(#include)336 1026 A
(<sys/types.h>)546 1404 A
990 V
(15811)210 648 A
(#include)336 1026 A
(<minix/const.h>)630 1404 A
1080 V
(15812)210 648 A
(#include)336 1026 A
(<minix/type.h>)588 1404 A
1170 V
(15813)210 648 A
1260 V
(15814)210 648 A
(#include)336 1026 A
(<fcntl.h>)378 1404 A
1350 V
(15815)210 648 A
(#include)336 1026 A
(<unistd.h>)420 1404 A
1440 V
(15816)210 648 A
(#include)336 1026 A
(<minix/syslib.h>)672 1404 A
1530 V
(15817)210 648 A
1620 V
(15818)210 648 A
(#include)336 1026 A
(<limits.h>)420 1404 A
1710 V
(15819)210 648 A
(#include)336 1026 A
(<errno.h>)378 1404 A
1800 V
(15820)210 648 A
1890 V
(15821)210 648 A
(#include)336 1026 A
("const.h")378 1404 A
1980 V
(15822)210 648 A
(#include)336 1026 A
("type.h")336 1404 A
2070 V
(15823)210 648 A
(#include)336 1026 A
("proto.h")378 1404 A
2160 V
(15824)210 648 A
(#include)336 1026 A
("glo.h")294 1404 A
2790 V
(++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++)3528 648 A
2880 V
(src/mm/const.h)588 2034 A
2970 V
(++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++)3528 648 A
3150 V
(15900)210 648 A
1026(/*)S
(Constants)378 1152 A
(used)168 1572 A
1782(by)S
(the)126 1908 A
(Memory)252 2076 A
(Manager.)336 2370 A
2748(*/)S
3240 V
(15901)210 648 A
3330 V
(15902)210 648 A
(#define)294 1026 A
(NO_MEM)252 1362 A
(((phys_clicks))588 1656 A
2286(0))S
2454(/*)S
(returned)336 2580 A
2958(by)S
(alloc_mem())462 3084 A
(with)168 3588 A
(mem)126 3798 A
3966(is)S
4092(up)S
4218(*/)S
3420 V
(15903)210 648 A
3510 V
(15904)210 648 A
(#if)126 1026 A
((CHIP)210 1194 A
1446(==)S
(INTEL)210 1572 A
1824(&&)S
(_WORD_SIZE)420 1950 A
2412(==)S
2538(2))S
3600 V
(15905)210 648 A
1026(/*)S
(These)210 1152 A
(definitions)462 1404 A
(are)126 1908 A
(used)168 2076 A
2286(in)S
(size_ok)294 2412 A
(and)126 2748 A
(are)126 2916 A
(not)126 3084 A
(needed)252 3252 A
(for)126 3546 A
(386.)168 3714 A
3690 V
(15906)210 648 A
1068(*)S
(The)126 1152 A
(386)126 1320 A
(segment)294 1488 A
(granularity)462 1824 A
2328(is)S
2454(1)S
(for)126 2538 A
(segments)336 2706 A
(smaller)294 3084 A
(than)168 3420 A
3630(1M)S
(and)126 3756 A
(4096)168 3924 A
3780 V
(15907)210 648 A
1068(*)S
(above)210 1152 A
(that.)210 1404 A
3870 V
(15908)210 648 A
1068(*/)S
3960 V
(15909)210 648 A
(#define)294 1026 A
(PAGE_SIZE)378 1362 A
2118(16)S
2370(/*)S
(how)126 2496 A
(many)168 2664 A
(bytes)210 2874 A
3126(in)S
3252(a)S
(page)168 3336 A
((s.b.HCLICK_SIZE)*/)798 3546 A
4050 V
(15910)210 648 A
(#define)294 1026 A
(MAX_PAGES)378 1362 A
(4096)168 2034 A
2370(/*)S
(how)126 2496 A
(many)168 2664 A
(pages)210 2874 A
3126(in)S
(the)126 3252 A
(virtual)294 3420 A
(addr)168 3756 A
(space)210 3966 A
4218(*/)S
4140 V
(15911)210 648 A
(#endif)252 1026 A
4230 V
(15912)210 648 A
4320 V
(15913)210 648 A
(#define)294 1026 A
(printf)252 1362 A
(printk)252 1950 A
4410 V
(15914)210 648 A
4500 V
(15915)210 648 A
(#define)294 1026 A
(INIT_PID)336 1362 A
2160(1)S
2370(/*)S
(init's)252 2496 A
(process)294 2790 A
3126(id)S
(number)252 3252 A
3546(*/)S
5040 V
(++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++)3528 648 A
5130 V
(src/mm/type.h)546 2034 A
5220 V
(++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++)3528 648 A
5400 V
(16000)210 648 A
1026(/*)S
1152(If)S
(there)210 1278 A
(were)168 1530 A
(any)126 1740 A
(type)168 1908 A
(definitions)462 2118 A
(local)210 2622 A
2874(to)S
(the)126 3000 A
(Memory)252 3168 A
(Manager,)336 3462 A
(they)168 3840 A
(would)210 4050 A
5490 V
(16001)210 648 A
1068(*)S
1152(be)S
(here.)210 1278 A
(This)168 1572 A
(file)168 1782 A
1992(is)S
(included)336 2118 A
(only)168 2496 A
(for)126 2706 A
(symmetry)336 2874 A
(with)168 3252 A
(the)126 3462 A
(kernel)252 3630 A
(and)126 3924 A
(File)168 4092 A
5580 V
(16002)210 648 A
1068(*)S
(System,)294 1152 A
(which)210 1488 A
1740(do)S
(have)168 1866 A
(some)168 2076 A
(local)210 2286 A
(type)168 2538 A
(definitions.)504 2748 A
5670 V
(16003)210 648 A
1068(*/)S
5760 V
(16004)210 648 A
8418 V
EP
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/slant 0 def
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630 V
10 R
648(MINIX)S
976(SOURCE)S
1399(CODE)S
11 R
2081(File:)S
2314(src/mm/proto.h)S
12 B
(223)180 4248 A
990 V
7 LST
(++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++)3528 648 A
1080 V
(src/mm/proto.h)588 2034 A
1170 V
(++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++)3528 648 A
1350 V
(16100)210 648 A
1026(/*)S
(Function)336 1152 A
(prototypes.)462 1530 A
2034(*/)S
1440 V
(16101)210 648 A
1530 V
(16102)210 648 A
(struct)252 1026 A
(mproc;)252 1320 A
2034(/*)S
(need)168 2160 A
(types)210 2370 A
(outside)294 2622 A
2958(of)S
(parameter)378 3084 A
(list)168 3504 A
(--kub)210 3714 A
3966(*/)S
1620 V
(16103)210 648 A
(struct)252 1026 A
(stat;)210 1320 A
1710 V
(16104)210 648 A
1800 V
(16105)210 648 A
1026(/*)S
(alloc.c)294 1152 A
1488(*/)S
1890 V
(16106)210 648 A
(_PROTOTYPE()462 1026 A
(phys_clicks)462 1530 A
(alloc_mem,)420 2034 A
((phys_clicks)504 2496 A
(clicks))294 3042 A
4050();)S
1980 V
(16107)210 648 A
(_PROTOTYPE()462 1026 A
(void)168 1530 A
(free_mem,)378 1740 A
((phys_clicks)504 2160 A
(base,)210 2706 A
(phys_clicks)462 2958 A
(clicks))294 3462 A
4050();)S
2070 V
(16108)210 648 A
(_PROTOTYPE()462 1026 A
(phys_clicks)462 1530 A
(max_hole,)378 2034 A
((void))252 2454 A
4050();)S
2160 V
(16109)210 648 A
(_PROTOTYPE()462 1026 A
(void)168 1530 A
(mem_init,)378 1740 A
((phys_clicks)504 2160 A
(*total,)294 2706 A
(phys_clicks)462 3042 A
(*free))252 3546 A
4050();)S
2250 V
(16110)210 648 A
(_PROTOTYPE()462 1026 A
(phys_clicks)462 1530 A
(mem_left,)378 2034 A
((void))252 2454 A
4050();)S
2340 V
(16111)210 648 A
(_PROTOTYPE()462 1026 A
(int)126 1530 A
(do_brk3,)336 1698 A
((void))252 2076 A
4050();)S
2430 V
(16112)210 648 A
2520 V
(16113)210 648 A
1026(/*)S
(break.c)294 1152 A
1488(*/)S
2610 V
(16114)210 648 A
(_PROTOTYPE()462 1026 A
(int)126 1530 A
(adjust,)294 1698 A
((struct)294 2034 A
(mproc)210 2370 A
(*rmp,)210 2622 A
2700 V
(16115)210 648 A
(vir_clicks)420 2034 A
(data_clicks,)504 2496 A
(vir_bytes)378 3042 A
(sp))126 3462 A
4050();)S
2790 V
(16116)210 648 A
(_PROTOTYPE()462 1026 A
(int)126 1530 A
(do_brk,)294 1698 A
((void))252 2034 A
4050();)S
2880 V
(16117)210 648 A
(_PROTOTYPE()462 1026 A
(int)126 1530 A
(size_ok,)336 1698 A
((int)168 2076 A
(file_type,)420 2286 A
(vir_clicks)420 2748 A
(tc,)126 3210 A
(vir_clicks)420 3378 A
(dc,)126 3840 A
2970 V
(16118)210 648 A
(vir_clicks)420 2034 A
(sc,)126 2496 A
(vir_clicks)420 2664 A
(dvir,)210 3126 A
(vir_clicks)420 3378 A
(s_vir))252 3840 A
4134();)S
3060 V
(16119)210 648 A
3150 V
(16120)210 648 A
1026(/*)S
(exec.c)252 1152 A
1446(*/)S
3240 V
(16121)210 648 A
(_PROTOTYPE()462 1026 A
(int)126 1530 A
(do_exec,)336 1698 A
((void))252 2076 A
4050();)S
3330 V
(16122)210 648 A
(_PROTOTYPE()462 1026 A
(struct)252 1530 A
(mproc)210 1824 A
(*find_share,)504 2076 A
((struct)294 2622 A
(mproc)210 2958 A
(*mp_ign,)336 3210 A
(Ino_t)210 3588 A
(ino,)168 3840 A
3420 V
(16123)210 648 A
(Dev_t)210 2034 A
(dev,)168 2286 A
(time_t)252 2496 A
(ctime))252 2790 A
4050();)S
3510 V
(16124)210 648 A
3600 V
(16125)210 648 A
1026(/*)S
(forkexit.c)420 1152 A
1614(*/)S
3690 V
(16126)210 648 A
(_PROTOTYPE()462 1026 A
(int)126 1530 A
(do_fork,)336 1698 A
((void))252 2076 A
4050();)S
3780 V
(16127)210 648 A
(_PROTOTYPE()462 1026 A
(int)126 1530 A
(do_mm_exit,)462 1698 A
((void))252 2202 A
4050();)S
3870 V
(16128)210 648 A
(_PROTOTYPE()462 1026 A
(int)126 1530 A
(do_waitpid,)462 1698 A
((void))252 2202 A
4050();)S
3960 V
(16129)210 648 A
(_PROTOTYPE()462 1026 A
(void)168 1530 A
(mm_exit,)336 1740 A
((struct)294 2118 A
(mproc)210 2454 A
(*rmp,)210 2706 A
(int)126 2958 A
(exit_status))504 3126 A
4050();)S
4050 V
(16130)210 648 A
4140 V
(16131)210 648 A
1026(/*)S
(getset.c)336 1152 A
1530(*/)S
4230 V
(16132)210 648 A
(_PROTOTYPE()462 1026 A
(int)126 1530 A
(do_getset,)420 1698 A
((void))252 2160 A
4050();)S
4320 V
(16133)210 648 A
4410 V
(16134)210 648 A
1026(/*)S
(main.c)252 1152 A
1446(*/)S
4500 V
(16135)210 648 A
(_PROTOTYPE()462 1026 A
(void)168 1530 A
(main,)210 1740 A
((void))252 1992 A
4050();)S
4590 V
(16136)210 648 A
4680 V
(16137)210 648 A
(#if)126 1026 A
((MACHINE)336 1194 A
1572(==)S
(MACINTOSH))420 1698 A
4770 V
(16138)210 648 A
(_PROTOTYPE()462 1026 A
(phys_clicks)462 1530 A
(start_click,)504 2034 A
((void))252 2580 A
4050();)S
4860 V
(16139)210 648 A
(#endif)252 1026 A
4950 V
(16140)210 648 A
5040 V
(16141)210 648 A
(_PROTOTYPE()462 1026 A
(void)168 1530 A
(reply,)252 1740 A
((int)168 2034 A
(proc_nr,)336 2244 A
(int)126 2622 A
(result,)294 2790 A
(int)126 3126 A
(res2,)210 3294 A
(char)168 3546 A
(*respt));)378 3756 A
5130 V
(16142)210 648 A
5220 V
(16143)210 648 A
1026(/*)S
(putk.c)252 1152 A
1446(*/)S
5310 V
(16144)210 648 A
(_PROTOTYPE()462 1026 A
(void)168 1530 A
(putk,)210 1740 A
((int)168 1992 A
2202(c))S
4050();)S
5400 V
(16145)210 648 A
5490 V
(16146)210 648 A
1026(/*)S
(signal.c)336 1152 A
1530(*/)S
5580 V
(16147)210 648 A
(_PROTOTYPE()462 1026 A
(int)126 1530 A
(do_alarm,)378 1698 A
((void))252 2118 A
4050();)S
5670 V
(16148)210 648 A
(_PROTOTYPE()462 1026 A
(int)126 1530 A
(do_kill,)336 1698 A
((void))252 2076 A
4050();)S
5760 V
(16149)210 648 A
(_PROTOTYPE()462 1026 A
(int)126 1530 A
(do_ksig,)336 1698 A
((void))252 2076 A
4050();)S
5850 V
(16150)210 648 A
(_PROTOTYPE()462 1026 A
(int)126 1530 A
(do_pause,)378 1698 A
((void))252 2118 A
4050();)S
5940 V
(16151)210 648 A
(_PROTOTYPE()462 1026 A
(int)126 1530 A
(set_alarm,)420 1698 A
((int)168 2160 A
(proc_nr,)336 2370 A
(int)126 2748 A
(sec))168 2916 A
4050();)S
6030 V
(16152)210 648 A
(_PROTOTYPE()462 1026 A
(int)126 1530 A
(check_sig,)420 1698 A
((pid_t)252 2160 A
(proc_id,)336 2454 A
(int)126 2832 A
(signo))252 3000 A
4050();)S
6120 V
(16153)210 648 A
(_PROTOTYPE()462 1026 A
(void)168 1530 A
(sig_proc,)378 1740 A
((struct)294 2160 A
(mproc)210 2496 A
(*rmp,)210 2748 A
(int)126 3000 A
(sig_nr))294 3168 A
4050();)S
6210 V
(16154)210 648 A
(_PROTOTYPE()462 1026 A
(int)126 1530 A
(do_sigaction,)546 1698 A
((void))252 2286 A
4050();)S
8418 V
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630 V
12 B
(224)180 648 A
11 R
2081(File:)S
2314(src/mm/proto.h)S
10 R
3402(MINIX)S
3730(SOURCE)S
4153(CODE)S
900 V
7 LST
(16155)210 648 A
(_PROTOTYPE()462 1026 A
(int)126 1530 A
(do_sigpending,)588 1698 A
((void))252 2328 A
4050();)S
990 V
(16156)210 648 A
(_PROTOTYPE()462 1026 A
(int)126 1530 A
(do_sigprocmask,)630 1698 A
((void))252 2370 A
4050();)S
1080 V
(16157)210 648 A
(_PROTOTYPE()462 1026 A
(int)126 1530 A
(do_sigreturn,)546 1698 A
((void))252 2286 A
4050();)S
1170 V
(16158)210 648 A
(_PROTOTYPE()462 1026 A
(int)126 1530 A
(do_sigsuspend,)588 1698 A
((void))252 2328 A
4050();)S
1260 V
(16159)210 648 A
(_PROTOTYPE()462 1026 A
(int)126 1530 A
(do_reboot,)420 1698 A
((void))252 2160 A
4050();)S
1350 V
(16160)210 648 A
1440 V
(16161)210 648 A
1026(/*)S
(trace.c)294 1152 A
1488(*/)S
1530 V
(16162)210 648 A
(_PROTOTYPE()462 1026 A
(int)126 1530 A
(do_trace,)378 1698 A
((void))252 2118 A
4050();)S
1620 V
(16163)210 648 A
(_PROTOTYPE()462 1026 A
(void)168 1530 A
(stop_proc,)420 1740 A
((struct)294 2202 A
(mproc)210 2538 A
(*rmp,)210 2790 A
(int)126 3042 A
(sig_nr))294 3210 A
4050();)S
1710 V
(16164)210 648 A
1800 V
(16165)210 648 A
1026(/*)S
(utility.c)378 1152 A
1572(*/)S
1890 V
(16166)210 648 A
(_PROTOTYPE()462 1026 A
(int)126 1530 A
(allowed,)336 1698 A
((char)210 2076 A
(*name_buf,)420 2328 A
(struct)252 2790 A
(stat)168 3084 A
(*s_buf,)294 3294 A
(int)126 3630 A
(mask))210 3798 A
4050();)S
1980 V
(16167)210 648 A
(_PROTOTYPE()462 1026 A
(int)126 1530 A
(no_sys,)294 1698 A
((void))252 2034 A
4050();)S
2070 V
(16168)210 648 A
(_PROTOTYPE()462 1026 A
(void)168 1530 A
(panic,)252 1740 A
((char)210 2034 A
(*format,)336 2286 A
(int)126 2664 A
(num))168 2832 A
4050();)S
2160 V
(16169)210 648 A
(_PROTOTYPE()462 1026 A
(void)168 1530 A
(tell_fs,)336 1740 A
((int)168 2118 A
(what,)210 2328 A
(int)126 2580 A
(p1,)126 2748 A
(int)126 2916 A
(p2,)126 3084 A
(int)126 3252 A
(p3))126 3420 A
4050();)S
2790 V
(++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++)3528 648 A
2880 V
(src/mm/glo.h)504 2034 A
2970 V
(++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++)3528 648 A
3150 V
(16200)210 648 A
1026(/*)S
(EXTERN)252 1152 A
(should)252 1446 A
1740(be)S
(extern)252 1866 A
(except)252 2160 A
2454(in)S
(table.c)294 2580 A
2916(*/)S
3240 V
(16201)210 648 A
(#ifdef)252 1026 A
(_TABLE)252 1320 A
3330 V
(16202)210 648 A
(#undef)252 1026 A
(EXTERN)252 1320 A
3420 V
(16203)210 648 A
(#define)294 1026 A
(EXTERN)252 1362 A
3510 V
(16204)210 648 A
(#endif)252 1026 A
3600 V
(16205)210 648 A
3690 V
(16206)210 648 A
1026(/*)S
(Global)252 1152 A
(variables.)420 1446 A
1908(*/)S
3780 V
(16207)210 648 A
(EXTERN)252 1026 A
(struct)252 1320 A
(mproc)210 1614 A
(*mp;)168 1866 A
2370(/*)S
(ptr)126 2496 A
2664(to)S
('mproc')294 2790 A
(slot)168 3126 A
3336(of)S
(current)294 3462 A
(process)294 3798 A
4134(*/)S
3870 V
(16208)210 648 A
(EXTERN)252 1026 A
(int)126 1320 A
(dont_reply;)462 1488 A
2370(/*)S
(normally)336 2496 A
2874(0;)S
(set)126 3000 A
3168(to)S
3294(1)S
3378(to)S
(inhibit)294 3504 A
(reply)210 3840 A
4092(*/)S
3960 V
(16209)210 648 A
(EXTERN)252 1026 A
(int)126 1320 A
(procs_in_use;)546 1488 A
2370(/*)S
(how)126 2496 A
(many)168 2664 A
(processes)378 2874 A
(are)126 3294 A
(marked)252 3462 A
3756(as)S
(IN_USE)252 3882 A
4176(*/)S
4050 V
(16210)210 648 A
4140 V
(16211)210 648 A
1026(/*)S
(The)126 1152 A
(parameters)420 1320 A
1782(of)S
(the)126 1908 A
(call)168 2076 A
(are)126 2286 A
(kept)168 2454 A
(here.)210 2664 A
2916(*/)S
4230 V
(16212)210 648 A
(EXTERN)252 1026 A
(message)294 1320 A
(mm_in;)252 1656 A
2370(/*)S
(the)126 2496 A
(incoming)336 2664 A
(message)294 3042 A
(itself)252 3378 A
3672(is)S
(kept)168 3798 A
(here.)210 4008 A
4260(*/)S
4320 V
(16213)210 648 A
(EXTERN)252 1026 A
(message)294 1320 A
(mm_out;)294 1656 A
2370(/*)S
(the)126 2496 A
(reply)210 2664 A
(message)294 2916 A
3252(is)S
(built)210 3378 A
3630(up)S
(here.)210 3756 A
4008(*/)S
4410 V
(16214)210 648 A
(EXTERN)252 1026 A
(int)126 1320 A
(who;)168 1488 A
2370(/*)S
(caller's)336 2496 A
(proc)168 2874 A
(number)252 3084 A
3378(*/)S
4500 V
(16215)210 648 A
(EXTERN)252 1026 A
(int)126 1320 A
(mm_call;)336 1488 A
2370(/*)S
(system)252 2496 A
(call)168 2790 A
(number)252 3000 A
3294(*/)S
4590 V
(16216)210 648 A
4680 V
(16217)210 648 A
1026(/*)S
(The)126 1152 A
(following)378 1320 A
(variables)378 1740 A
(are)126 2160 A
(used)168 2328 A
(for)126 2538 A
(returning)378 2706 A
(results)294 3126 A
3462(to)S
(the)126 3588 A
(caller.)294 3756 A
4092(*/)S
4770 V
(16218)210 648 A
(EXTERN)252 1026 A
(int)126 1320 A
(err_code;)378 1488 A
2370(/*)S
(temporary)378 2496 A
(storage)294 2916 A
(for)126 3252 A
(error)210 3420 A
(number)252 3672 A
3966(*/)S
4860 V
(16219)210 648 A
(EXTERN)252 1026 A
(int)126 1320 A
(result2;)336 1488 A
2370(/*)S
(secondary)378 2496 A
(result)252 2916 A
3210(*/)S
4950 V
(16220)210 648 A
(EXTERN)252 1026 A
(char)168 1320 A
(*res_ptr;)378 1530 A
2370(/*)S
(result,)294 2496 A
2832(if)S
(pointer)294 2958 A
3294(*/)S
5040 V
(16221)210 648 A
5130 V
(16222)210 648 A
(extern)252 1026 A
(_PROTOTYPE)420 1320 A
((int)168 1782 A
((*call_vec[]),)588 1992 A
((void))252 2622 A
2916();)S
3042(/*)S
(system)252 3168 A
(call)168 3462 A
(handlers)336 3672 A
4050(*/)S
5220 V
(16223)210 648 A
(extern)252 1026 A
(char)168 1320 A
(core_name[];)504 1530 A
2370(/*)S
(file)168 2496 A
(name)168 2706 A
(where)210 2916 A
(core)168 3168 A
(images)252 3378 A
(are)126 3672 A
(produced)336 3840 A
4218(*/)S
5310 V
(16224)210 648 A
(EXTERN)252 1026 A
(sigset_t)336 1320 A
(core_sset;)420 1698 A
2370(/*)S
(which)210 2496 A
(signals)294 2748 A
(cause)210 3084 A
(core)168 3336 A
(images)252 3546 A
3840(*/)S
8418 V
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630 V
10 R
648(MINIX)S
976(SOURCE)S
1399(CODE)S
11 R
2056(File:)S
2289(src/mm/mproc.h)S
12 B
(225)180 4248 A
990 V
7 LST
(++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++)3528 648 A
1080 V
(src/mm/mproc.h)588 2034 A
1170 V
(++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++)3528 648 A
1350 V