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BOOK.PS：源码内容

2874({)S
2970 V
(18903)210 648 A
1362(/*)S
(Block)210 1488 A
1740(to)S
1866(be)S
(freed)210 1992 A
(goes)168 2244 A
2454(on)S
(front)210 2580 A
2832(of)S
(the)126 2958 A
(hole)168 3126 A
(list.)210 3336 A
3588(*/)S
3060 V
(18904)210 648 A
(new_ptr->h_next)630 1362 A
2034(=)S
(hp;)126 2118 A
3150 V
(18905)210 648 A
(hole_head)378 1362 A
1782(=)S
(new_ptr;)336 1866 A
3240 V
(18906)210 648 A
(merge(new_ptr);)630 1362 A
3330 V
(18907)210 648 A
(return;)294 1362 A
3420 V
(18908)210 648 A
1110(})S
3510 V
(18909)210 648 A
3600 V
(18910)210 648 A
1110(/*)S
(Block)210 1236 A
1488(to)S
1614(be)S
(returned)336 1740 A
(does)168 2118 A
(not)126 2328 A
2496(go)S
2622(on)S
(front)210 2748 A
3000(of)S
(hole)168 3126 A
(list.)210 3336 A
3588(*/)S
3690 V
(18911)210 648 A
(while)210 1110 A
((hp)126 1362 A
1530(!=)S
(NIL_HOLE)336 1656 A
2034(&&)S
(base)168 2160 A
2370(>)S
(hp->h_base))462 2454 A
2958({)S
3780 V
(18912)210 648 A
(prev_ptr)336 1362 A
1740(=)S
(hp;)126 1824 A
3870 V
(18913)210 648 A
1362(hp)S
1488(=)S
(hp->h_next;)462 1572 A
3960 V
(18914)210 648 A
1110(})S
4050 V
(18915)210 648 A
4140 V
(18916)210 648 A
1110(/*)S
1236(We)S
(found)210 1362 A
(where)210 1614 A
1866(it)S
(goes.)210 1992 A
(Insert)252 2286 A
(block)210 2580 A
(after)210 2832 A
('prev_ptr'.)462 3084 A
3588(*/)S
4230 V
(18917)210 648 A
(new_ptr->h_next)630 1110 A
1782(=)S
(prev_ptr->h_next;)714 1866 A
4320 V
(18918)210 648 A
(prev_ptr->h_next)672 1110 A
1824(=)S
(new_ptr;)336 1908 A
4410 V
(18919)210 648 A
(merge(prev_ptr);)672 1110 A
2370(/*)S
(sequence)336 2496 A
2874(is)S
('prev_ptr',)462 3000 A
('new_ptr',)420 3504 A
('hp')168 3966 A
4176(*/)S
4500 V
(18920)210 648 A
1026(})S
4770 V
(18923)210 648 A
(/*===========================================================================*)3276 1026 A
4860 V
(18924)210 648 A
1068(*)S
(del_slot)336 2370 A
4260(*)S
4950 V
(18925)210 648 A
(*===========================================================================*/)3276 1068 A
5040 V
(18926)210 648 A
(PRIVATE)294 1026 A
(void)168 1362 A
(del_slot(prev_ptr,)756 1572 A
(hp))126 2370 A
5130 V
(18927)210 648 A
(register)336 1026 A
(struct)252 1404 A
(hole)168 1698 A
(*prev_ptr;)420 1908 A
2370(/*)S
(pointer)294 2496 A
2832(to)S
(hole)168 2958 A
(entry)210 3168 A
(just)168 3420 A
(ahead)210 3630 A
3882(of)S
('hp')168 4008 A
4218(*/)S
5220 V
(18928)210 648 A
(register)336 1026 A
(struct)252 1404 A
(hole)168 1698 A
(*hp;)168 1908 A
2370(/*)S
(pointer)294 2496 A
2832(to)S
(hole)168 2958 A
(entry)210 3168 A
3420(to)S
3546(be)S
(removed)294 3672 A
4008(*/)S
5310 V
(18929)210 648 A
1026({)S
5400 V
(18930)210 648 A
1026(/*)S
(Remove)252 1152 A
1446(an)S
(entry)210 1572 A
(from)168 1824 A
(the)126 2034 A
(hole)168 2202 A
(list.)210 2412 A
(This)168 2706 A
(procedure)378 2916 A
3336(is)S
(called)252 3462 A
(when)168 3756 A
3966(a)S
5490 V
(18931)210 648 A
1068(*)S
(request)294 1152 A
1488(to)S
(allocate)336 1614 A
(memory)252 1992 A
(removes)294 2286 A
2622(a)S
(hole)168 2706 A
2916(in)S
(its)126 3042 A
(entirety,)378 3210 A
(thus)168 3630 A
(reducing)336 3840 A
5580 V
(18932)210 648 A
1068(*)S
(the)126 1152 A
(numbers)294 1320 A
1656(of)S
(holes)210 1782 A
2034(in)S
(memory,)294 2160 A
(and)126 2496 A
(requiring)378 2664 A
(the)126 3084 A
(elimination)462 3252 A
3756(of)S
(one)126 3882 A
5670 V
(18933)210 648 A
1068(*)S
(entry)210 1152 A
1404(in)S
(the)126 1530 A
(hole)168 1698 A
(list.)210 1908 A
5760 V
(18934)210 648 A
1068(*/)S
5850 V
(18935)210 648 A
5940 V
(18936)210 648 A
1110(if)S
((hp)126 1236 A
1404(==)S
(hole_head))420 1530 A
6030 V
(18937)210 648 A
(hole_head)378 1362 A
1782(=)S
(hp->h_next;)462 1866 A
6120 V
(18938)210 648 A
(else)168 1110 A
6210 V
(18939)210 648 A
(prev_ptr->h_next)672 1362 A
2076(=)S
(hp->h_next;)462 2160 A
8418 V
EP
%%Page: 264 264
BP
/slant 0 def
/height 0 def
630 V
12 B
(264)180 648 A
11 R
2092(File:)S
2325(src/mm/alloc.c)S
10 R
3402(MINIX)S
3730(SOURCE)S
4153(CODE)S
900 V
7 LST
(18940)210 648 A
990 V
(18941)210 648 A
(hp->h_next)420 1110 A
1572(=)S
(free_slots;)462 1656 A
1080 V
(18942)210 648 A
(free_slots)420 1110 A
1572(=)S
(hp;)126 1656 A
1170 V
(18943)210 648 A
1026(})S
1440 V
(18946)210 648 A
(/*===========================================================================*)3276 1026 A
1530 V
(18947)210 648 A
1068(*)S
(merge)210 2370 A
4260(*)S
1620 V
(18948)210 648 A
(*===========================================================================*/)3276 1068 A
1710 V
(18949)210 648 A
(PRIVATE)294 1026 A
(void)168 1362 A
(merge(hp))378 1572 A
1800 V
(18950)210 648 A
(register)336 1026 A
(struct)252 1404 A
(hole)168 1698 A
(*hp;)168 1908 A
2370(/*)S
(ptr)126 2496 A
2664(to)S
(hole)168 2790 A
3000(to)S
(merge)210 3126 A
(with)168 3378 A
(its)126 3588 A
(successors)420 3756 A
4218(*/)S
1890 V
(18951)210 648 A
1026({)S
1980 V
(18952)210 648 A
1026(/*)S
(Check)210 1152 A
(for)126 1404 A
(contiguous)420 1572 A
(holes)210 2034 A
(and)126 2286 A
(merge)210 2454 A
(any)126 2706 A
(found.)252 2874 A
(Contiguous)420 3210 A
(holes)210 3672 A
(can)126 3924 A
(occur)210 4092 A
2070 V
(18953)210 648 A
1068(*)S
(when)168 1152 A
1362(a)S
(block)210 1446 A
1698(of)S
(memory)252 1824 A
2118(is)S
(freed,)252 2244 A
(and)126 2538 A
2706(it)S
(happens)294 2832 A
3168(to)S
(abut)168 3294 A
(another)294 3504 A
(hole)168 3840 A
4050(on)S
2160 V
(18954)210 648 A
1068(*)S
(either)252 1152 A
1446(or)S
(both)168 1572 A
(ends.)210 1782 A
(The)126 2076 A
(pointer)294 2244 A
('hp')168 2580 A
(points)252 2790 A
3084(to)S
(the)126 3210 A
(first)210 3378 A
3630(of)S
3756(a)S
(series)252 3840 A
4134(of)S
2250 V
(18955)210 648 A
1068(*)S
(three)210 1152 A
(holes)210 1404 A
(that)168 1656 A
(can)126 1866 A
(potentially)462 2034 A
(all)126 2538 A
2706(be)S
(merged)252 2832 A
(together.)378 3126 A
2340 V
(18956)210 648 A
1068(*/)S
2430 V
(18957)210 648 A
2520 V
(18958)210 648 A
(register)336 1110 A
(struct)252 1488 A
(hole)168 1782 A
(*next_ptr;)420 1992 A
2610 V
(18959)210 648 A
2700 V
(18960)210 648 A
1110(/*)S
1236(If)S
('hp')168 1362 A
(points)252 1572 A
1866(to)S
(the)126 1992 A
(last)168 2160 A
(hole,)210 2370 A
2622(no)S
(merging)294 2748 A
3084(is)S
(possible.)378 3210 A
3672(If)S
3798(it)S
(does)168 3924 A
(not,)168 4134 A
2790 V
(18961)210 648 A
1152(*)S
(try)126 1236 A
1404(to)S
(absorb)252 1530 A
(its)126 1824 A
(successor)378 1992 A
(into)168 2412 A
2622(it)S
(and)126 2748 A
(free)168 2916 A
(the)126 3126 A
(successor's)462 3294 A
(table)210 3798 A
(entry.)252 4050 A
2880 V
(18962)210 648 A
1152(*/)S
2970 V
(18963)210 648 A
1110(if)S
1236(()S
((next_ptr)378 1320 A
1740(=)S
(hp->h_next))462 1824 A
2328(==)S
(NIL_HOLE))378 2454 A
(return;)294 2874 A
3060 V
(18964)210 648 A
1110(if)S
((hp->h_base)462 1236 A
1740(+)S
(hp->h_len)378 1824 A
2244(==)S
(next_ptr->h_base))714 2370 A
3126({)S
3150 V
(18965)210 648 A
(hp->h_len)378 1362 A
1782(+=)S
(next_ptr->h_len;)672 1908 A
2706(/*)S
(first)210 2832 A
(one)126 3084 A
(gets)168 3252 A
(second)252 3462 A
(one's)210 3756 A
(mem)126 4008 A
4176(*/)S
3240 V
(18966)210 648 A
(del_slot(hp,)504 1362 A
(next_ptr);)420 1908 A
3330 V
(18967)210 648 A
1110(})S
(else)168 1194 A
1404({)S
3420 V
(18968)210 648 A
1362(hp)S
1488(=)S
(next_ptr;)378 1572 A
3510 V
(18969)210 648 A
1110(})S
3600 V
(18970)210 648 A
3690 V
(18971)210 648 A
1110(/*)S
1236(If)S
('hp')168 1362 A
(now)126 1572 A
(points)252 1740 A
2034(to)S
(the)126 2160 A
(last)168 2328 A
(hole,)210 2538 A
(return;)294 2790 A
(otherwise,)420 3126 A
(try)126 3588 A
3756(to)S
(absorb)252 3882 A
(its)126 4176 A
3780 V
(18972)210 648 A
1152(*)S
(successor)378 1236 A
(into)168 1656 A
(it.)126 1866 A
3870 V
(18973)210 648 A
1152(*/)S
3960 V
(18974)210 648 A
1110(if)S
1236(()S
((next_ptr)378 1320 A
1740(=)S
(hp->h_next))462 1824 A
2328(==)S
(NIL_HOLE))378 2454 A
(return;)294 2874 A
4050 V
(18975)210 648 A
1110(if)S
((hp->h_base)462 1236 A
1740(+)S
(hp->h_len)378 1824 A
2244(==)S
(next_ptr->h_base))714 2370 A
3126({)S
4140 V
(18976)210 648 A
(hp->h_len)378 1362 A
1782(+=)S
(next_ptr->h_len;)672 1908 A
4230 V
(18977)210 648 A
(del_slot(hp,)504 1362 A
(next_ptr);)420 1908 A
4320 V
(18978)210 648 A
1110(})S
4410 V
(18979)210 648 A
1026(})S
4680 V
(18982)210 648 A
(/*===========================================================================*)3276 1026 A
4770 V
(18983)210 648 A
1068(*)S
(max_hole)336 2370 A
4260(*)S
4860 V
(18984)210 648 A
(*===========================================================================*/)3276 1068 A
4950 V
(18985)210 648 A
(PUBLIC)252 1026 A
(phys_clicks)462 1320 A
(max_hole())420 1824 A
5040 V
(18986)210 648 A
1026({)S
5130 V
(18987)210 648 A
1026(/*)S
(Scan)168 1152 A
(the)126 1362 A
(hole)168 1530 A
(list)168 1740 A
(and)126 1950 A
(return)252 2118 A
(the)126 2412 A
(largest)294 2580 A
(hole.)210 2916 A
3168(*/)S
5220 V
(18988)210 648 A
5310 V
(18989)210 648 A
(register)336 1110 A
(struct)252 1488 A
(hole)168 1782 A
(*hp;)168 1992 A
5400 V
(18990)210 648 A
(register)336 1110 A
(phys_clicks)462 1488 A
(max;)168 1992 A
5490 V
(18991)210 648 A
5580 V
(18992)210 648 A
1110(hp)S
1236(=)S
(hole_head;)420 1320 A
5670 V
(18993)210 648 A
(max)126 1110 A
1278(=)S
1362(0;)S
5760 V
(18994)210 648 A
(while)210 1110 A
((hp)126 1362 A
1530(!=)S
(NIL_HOLE))378 1656 A
2076({)S
5850 V
(18995)210 648 A
1362(if)S
((hp->h_len)420 1488 A
1950(>)S
(max))168 2034 A
(max)126 2244 A
2412(=)S
(hp->h_len;)420 2496 A
5940 V
(18996)210 648 A
1362(hp)S
1488(=)S
(hp->h_next;)462 1572 A
6030 V
(18997)210 648 A
1110(})S
6120 V
(18998)210 648 A
(return(max);)504 1110 A
6210 V
(18999)210 648 A
1026(})S
8418 V
EP
%%Page: 265 265
BP
/slant 0 def
/height 0 def
630 V
10 R
648(MINIX)S
976(SOURCE)S
1399(CODE)S
11 R
2092(File:)S
2325(src/mm/alloc.c)S
12 B
(265)180 4248 A
1080 V
7 LST
(19002)210 648 A
(/*===========================================================================*)3276 1026 A
1170 V
(19003)210 648 A
1068(*)S
(mem_init)336 2370 A
4260(*)S
1260 V
(19004)210 648 A
(*===========================================================================*/)3276 1068 A
1350 V
(19005)210 648 A
(PUBLIC)252 1026 A
(void)168 1320 A
(mem_init(total,)630 1530 A
(free))210 2202 A
1440 V
(19006)210 648 A
(phys_clicks)462 1026 A
(*total,)294 1530 A
(*free;)252 1866 A
2706(/*)S
(memory)252 2832 A
(size)168 3126 A
(summaries)378 3336 A
3756(*/)S
1530 V
(19007)210 648 A
1026({)S
1620 V
(19008)210 648 A
1026(/*)S
(Initialize)420 1152 A
(hole)168 1614 A
(lists.)252 1824 A
(There)210 2160 A
(are)126 2412 A
(two)126 2580 A
(lists:)252 2748 A
('hole_head')462 3042 A
(points)252 3546 A
3840(to)S
3966(a)S
(linked)252 4050 A
1710 V
(19009)210 648 A
1068(*)S
(list)168 1152 A
1362(of)S
(all)126 1488 A
(the)126 1656 A
(holes)210 1824 A
((unused)294 2076 A
(memory))294 2412 A
2748(in)S
(the)126 2874 A
(system;)294 3042 A
('free_slots')504 3378 A
(points)252 3924 A
4218(to)S
1800 V
(19010)210 648 A
1068(*)S
1152(a)S
(linked)252 1236 A
(list)168 1530 A
1740(of)S
(table)210 1866 A
(entries)294 2118 A
(that)168 2454 A
(are)126 2664 A
(not)126 2832 A
3000(in)S
(use.)168 3126 A
(Initially,)420 3378 A
(the)126 3840 A
(former)252 4008 A
1890 V
(19011)210 648 A
1068(*)S
(list)168 1152 A
(has)126 1362 A
(one)126 1530 A
(entry)210 1698 A
(for)126 1950 A
(each)168 2118 A
(chunk)210 2328 A
2580(of)S
(physical)336 2706 A
(memory,)294 3084 A
(and)126 3420 A
(the)126 3588 A
(second)252 3756 A
1980 V
(19012)210 648 A
1068(*)S
(list)168 1152 A
(links)210 1362 A
(together)336 1614 A
(the)126 1992 A
(remaining)378 2160 A
(table)210 2580 A
(slots.)252 2832 A
3168(As)S
(memory)252 3294 A
(becomes)294 3588 A
(more)168 3924 A
2070 V
(19013)210 648 A
1068(*)S
(fragmented)420 1152 A
1614(in)S
(the)126 1740 A
(course)252 1908 A
2202(of)S
(time)168 2328 A
((i.e.,)252 2538 A
(the)126 2832 A
(initial)294 3000 A
(big)126 3336 A
(holes)210 3504 A
(break)210 3756 A
4008(up)S
(into)168 4134 A
2160 V
(19014)210 648 A
1068(*)S
(smaller)294 1152 A
(holes),)294 1488 A
(new)126 1824 A
(table)210 1992 A
(slots)210 2244 A
(are)126 2496 A
(needed)252 2664 A
2958(to)S
(represent)378 3084 A
(them.)210 3504 A
(These)210 3798 A
(slots)210 4050 A
2250 V
(19015)210 648 A
1068(*)S
(are)126 1152 A
(taken)210 1320 A
(from)168 1572 A
(the)126 1782 A
(list)168 1950 A
(headed)252 2160 A
2454(by)S
('free_slots'.)546 2580 A
2340 V
(19016)210 648 A
1068(*/)S
2430 V
(19017)210 648 A
2520 V
(19018)210 648 A
(register)336 1110 A
(struct)252 1488 A
(hole)168 1782 A
(*hp;)168 1992 A
2610 V
(19019)210 648 A
(phys_clicks)462 1110 A
(base;)210 1614 A
2370(/*)S
(base)168 2496 A
(address)294 2706 A
3042(of)S
(chunk)210 3168 A
3420(*/)S
2700 V
(19020)210 648 A
(phys_clicks)462 1110 A
(size;)210 1614 A
2370(/*)S
(size)168 2496 A
2706(of)S
(chunk)210 2832 A
3084(*/)S
2790 V
(19021)210 648 A
(message)294 1110 A
(mess;)210 1446 A
2880 V
(19022)210 648 A
2970 V
(19023)210 648 A
1110(/*)S
(Put)126 1236 A
(all)126 1404 A
(holes)210 1572 A
1824(on)S
(the)126 1950 A
(free)168 2118 A
(list.)210 2328 A
2580(*/)S
3060 V
(19024)210 648 A
(for)126 1110 A
((hp)126 1278 A
1446(=)S
(&hole[0];)378 1530 A
1950(hp)S
2076(<)S
(&hole[NR_HOLES];)672 2160 A
(hp++))210 2874 A
(hp->h_next)420 3126 A
3588(=)S
3672(hp)S
3798(+)S
3882(1;)S
3150 V
(19025)210 648 A
(hole[NR_HOLES-1].h_next)966 1110 A
2118(=)S
(NIL_HOLE;)378 2202 A
3240 V
(19026)210 648 A
(hole_head)378 1110 A
1530(=)S
(NIL_HOLE;)378 1614 A
3330 V
(19027)210 648 A
(free_slots)420 1110 A
1572(=)S
(&hole[0];)378 1656 A
3420 V
(19028)210 648 A
3510 V
(19029)210 648 A
1110(/*)S
(Ask)126 1236 A
(the)126 1404 A
(kernel)252 1572 A
(for)126 1866 A
(chunks)252 2034 A
2328(of)S
(physical)336 2454 A
(memory)252 2832 A
(and)126 3126 A
(allocate)336 3294 A
3672(a)S
(hole)168 3756 A
(for)126 3966 A
3600 V
(19030)210 648 A
1152(*)S
(each)168 1236 A
1446(of)S
(them.)210 1572 A
(The)126 1866 A
(SYS_MEM)294 2034 A
(call)168 2370 A
(responds)336 2580 A
(with)168 2958 A
(the)126 3168 A
(base)168 3336 A
(and)126 3546 A
(size)168 3714 A
3924(of)S
(the)126 4050 A
3690 V
(19031)210 648 A
1152(*)S
(next)168 1236 A
(chunk)210 1446 A
(and)126 1698 A
(the)126 1866 A
(total)210 2034 A
(amount)252 2286 A
2580(of)S
(memory.)294 2706 A
3780 V
(19032)210 648 A
1152(*/)S
3870 V
(19033)210 648 A
(*free)210 1110 A
1362(=)S
1446(0;)S
3960 V
(19034)210 648 A
(for)126 1110 A
((;;))168 1278 A
1488({)S
4050 V
(19035)210 648 A
(mess.m_type)462 1362 A
1866(=)S
(SYS_MEM;)336 1950 A
4140 V
(19036)210 648 A
1362(if)S
((sendrec(SYSTASK,)714 1488 A
(&mess))252 2244 A
2538(!=)S
(OK))126 2664 A
(panic("bad)420 2832 A
(SYS_MEM?",)420 3294 A
(NO_NUM);)336 3756 A
4230 V
(19037)210 648 A
(base)168 1362 A
1572(=)S
(mess.m1_i1;)462 1656 A
4320 V
(19038)210 648 A
(size)168 1362 A
1572(=)S
(mess.m1_i2;)462 1656 A
4410 V
(19039)210 648 A
1362(if)S
((size)210 1488 A
1740(==)S
1866(0))S
(break;)252 1992 A
2706(/*)S
2832(no)S
(more?)210 2958 A
3210(*/)S
4500 V
(19040)210 648 A
4590 V
(19041)210 648 A
(free_mem(base,)588 1362 A
(size);)252 1992 A
4680 V
(19042)210 648 A
(*total)252 1362 A
1656(=)S
(mess.m1_i3;)462 1740 A
4770 V
(19043)210 648 A
(*free)210 1362 A
1614(+=)S
(size;)210 1740 A
4860 V
(19044)210 648 A
1110(})S
4950 V
(19045)210 648 A
1026(})S
8418 V
EP
%%Page: 266 266
BP
/slant 0 def
/height 0 def
630 V
12 B
(266)180 648 A
11 R
2068(File:)S
(src/mm/utility.c)707 2301 A
10 R
3402(MINIX)S
3730(SOURCE)S
4153(CODE)S
990 V
7 LST
(++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++)3528 648 A
1080 V
(src/mm/utility.c)672 2034 A
1170 V
(++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++)3528 648 A
1350 V
(19100)210 648 A
1026(/*)S
(This)168 1152 A
(file)168 1362 A
(contains)336 1572 A
(some)168 1950 A
(utility)294 2160 A
(routines)336 2496 A
(for)126 2874 A
(MM.)126 3042 A
1440 V
(19101)210 648 A
1068(*)S
1530 V
(19102)210 648 A
1068(*)S
(The)126 1152 A
(entry)210 1320 A
(points)252 1572 A
(are:)168 1866 A
1620 V
(19103)210 648 A
1068(*)S
(allowed:)336 1236 A
(see)126 1698 A
1866(if)S
1992(an)S
(access)252 2118 A
2412(is)S
(permitted)378 2538 A
1710 V
(19104)210 648 A
1068(*)S
(no_sys:)294 1236 A
(this)168 1698 A
(routine)294 1908 A
2244(is)S
(called)252 2370 A
(for)126 2664 A
(invalid)294 2832 A
(system)252 3168 A
(call)168 3462 A
(numbers)294 3672 A
1800 V
(19105)210 648 A
1068(*)S
(panic:)252 1236 A
1698(MM)S
(has)126 1824 A
(run)126 1992 A
(aground)294 2160 A
2496(of)S
2622(a)S
(fatal)210 2706 A
(error)210 2958 A
(and)126 3210 A
(cannot)252 3378 A
(continue)336 3672 A
1890 V
(19106)210 648 A
1068(*)S
(tell_fs:)336 1236 A
(interface)378 1698 A
2118(to)S
2244(FS)S
1980 V
(19107)210 648 A
1068(*/)S
2070 V
(19108)210 648 A
2160 V
(19109)210 648 A
(#include)336 1026 A
("mm.h")252 1404 A
2250 V
(19110)210 648 A
(#include)336 1026 A
(<sys/stat.h>)504 1404 A
2340 V
(19111)210 648 A
(#include)336 1026 A
(<minix/callnr.h>)672 1404 A
2430 V
(19112)210 648 A
(#include)336 1026 A
(<minix/com.h>)546 1404 A
2520 V
(19113)210 648 A
(#include)336 1026 A
(<fcntl.h>)378 1404 A
2610 V
(19114)210 648 A
(#include)336 1026 A
(<signal.h>)420 1404 A
2370(/*)S
(needed)252 2496 A
(only)168 2790 A
(because)294 3000 A
(mproc.h)294 3336 A
(needs)210 3672 A
3924(it)S
4050(*/)S
2700 V
(19115)210 648 A
(#include)336 1026 A
("mproc.h")378 1404 A
2790 V
(19116)210 648 A
2880 V
(19117)210 648 A
(/*===========================================================================*)3276 1026 A
2970 V
(19118)210 648 A
1068(*)S
(allowed)294 2370 A
4260(*)S
3060 V
(19119)210 648 A
(*===========================================================================*/)3276 1068 A
3150 V
(19120)210 648 A
(PUBLIC)252 1026 A
(int)126 1320 A
(allowed(name_buf,)714 1488 A
(s_buf,)252 2244 A
(mask))210 2538 A
3240 V
(19121)210 648 A
(char)168 1026 A
(*name_buf;)420 1236 A
2370(/*)S
(pointer)294 2496 A
2832(to)S
(file)168 2958 A
(name)168 3168 A
3378(to)S
3504(be)S
(EXECed)252 3630 A
3924(*/)S
3330 V
(19122)210 648 A
(struct)252 1026 A
(stat)168 1320 A
(*s_buf;)294 1530 A
2370(/*)S
(buffer)252 2496 A
(for)126 2790 A
(doing)210 2958 A
(and)126 3210 A
(returning)378 3378 A
(stat)168 3798 A
(struct*/)336 4008 A
3420 V
(19123)210 648 A
(int)126 1026 A
(mask;)210 1194 A
2370(/*)S
(R_BIT,)252 2496 A
(W_BIT,)252 2790 A
3084(or)S
(X_BIT)210 3210 A
3462(*/)S
3510 V
(19124)210 648 A
1026({)S
3600 V
(19125)210 648 A
1026(/*)S
(Check)210 1152 A
1404(to)S
(see)126 1530 A
1698(if)S
(file)168 1824 A
(can)126 2034 A
2202(be)S
(accessed.)378 2328 A
(Return)252 2790 A
(EACCES)252 3084 A
3378(or)S
(ENOENT)252 3504 A
3798(if)S
(the)126 3924 A
(access)252 4092 A
3690 V
(19126)210 648 A
1068(*)S
1152(is)S
(prohibited.)462 1278 A
1824(If)S
1950(it)S
2076(is)S
(legal)210 2202 A
(open)168 2454 A
(the)126 2664 A
(file)168 2832 A
(and)126 3042 A
(return)252 3210 A
3504(a)S
(file)168 3588 A
(descriptor.)462 3798 A
3780 V
(19127)210 648 A
1068(*/)S
3870 V
(19128)210 648 A
3960 V
(19129)210 648 A
(int)126 1110 A
(fd;)126 1278 A
4050 V
(19130)210 648 A
(int)126 1110 A
(save_errno;)462 1278 A
4140 V
(19131)210 648 A
4230 V
(19132)210 648 A
1110(/*)S
(Use)126 1236 A
(the)126 1404 A
(fact)168 1572 A
(that)168 1782 A
(mask)168 1992 A
(for)126 2202 A
(access())336 2370 A
2748(is)S
(the)126 2874 A
(same)168 3042 A
3252(as)S
(the)126 3378 A
(permissions)462 3546 A
(mask.)210 4050 A
4320 V
(19133)210 648 A
1152(*)S
(E.g.,)210 1236 A
(X_BIT)210 1488 A
1740(in)S
(<minix/const.h>)630 1866 A
2538(is)S
(the)126 2664 A
(same)168 2832 A
3042(as)S
(X_OK)168 3168 A
3378(in)S
(<unistd.h>)420 3504 A
(and)126 3966 A
4410 V
(19134)210 648 A
1152(*)S
(S_IXOTH)294 1236 A
1572(in)S
(<sys/stat.h>.)546 1698 A
(tell_fs(DO_CHDIR,)714 2328 A
(...))168 3084 A
(has)126 3294 A
(set)126 3462 A
(MM's)168 3630 A
(real)168 3840 A
(ids)126 4050 A
4500 V
(19135)210 648 A
1152(*)S
1236(to)S
(the)126 1362 A
(user's)252 1530 A
(effective)378 1824 A
(ids,)168 2244 A
2454(so)S
(access())336 2580 A
(works)210 2958 A
(right)210 3210 A
(for)126 3462 A
(setuid)252 3630 A
(programs.)378 3924 A
4590 V
(19136)210 648 A
1152(*/)S
4680 V
(19137)210 648 A
1110(if)S
((access(name_buf,)714 1236 A
(mask))210 1992 A
2244(<)S
2328(0))S
(return(-errno);)630 2454 A
4770 V
(19138)210 648 A
4860 V
(19139)210 648 A
1110(/*)S
(The)126 1236 A
(file)168 1404 A
1614(is)S
(accessible)420 1740 A
(but)126 2202 A
(might)210 2370 A
(not)126 2622 A
2790(be)S
(readable.)378 2916 A
(Make)168 3378 A
3588(it)S
(readable.)378 3714 A
4134(*/)S
4950 V
(19140)210 648 A
(tell_fs(SETUID,)630 1110 A
(MM_PROC_NR,)462 1782 A
((int))210 2286 A
(SUPER_USER,)462 2538 A
((int))210 3042 A
(SUPER_USER);)504 3294 A
5040 V
(19141)210 648 A
5130 V
(19142)210 648 A
1110(/*)S
(Open)168 1236 A
(the)126 1446 A
(file)168 1614 A
(and)126 1824 A
(fstat)210 1992 A
(it.)126 2244 A
(Restore)294 2454 A
(the)126 2790 A
(ids)126 2958 A
(early)210 3126 A
3378(to)S
(handle)252 3504 A
(errors.)294 3798 A
4134(*/)S
5220 V
(19143)210 648 A
1110(fd)S
1236(=)S
(open(name_buf,)588 1320 A
(O_RDONLY);)420 1950 A
5310 V
(19144)210 648 A
(save_errno)420 1110 A
1572(=)S
(errno;)252 1656 A
2370(/*)S
(open)168 2496 A
(might)210 2706 A
(fail,)210 2958 A
(e.g.)168 3210 A
(from)168 3420 A
(ENFILE)252 3630 A
3924(*/)S
5400 V
(19145)210 648 A
(tell_fs(SETUID,)630 1110 A
(MM_PROC_NR,)462 1782 A
((int))210 2286 A
(mp->mp_effuid,)588 2538 A
((int))210 3168 A
(mp->mp_effuid);)630 3420 A
5490 V
(19146)210 648 A
1110(if)S
((fd)126 1236 A
1404(<)S
1488(0))S
(return(-save_errno);)840 1614 A
5580 V
(19147)210 648 A
1110(if)S
((fstat(fd,)420 1236 A
(s_buf))252 1698 A
1992(<)S
2076(0))S
(panic("allowed:)630 2202 A
(fstat)210 2874 A
(failed",)336 3126 A
(NO_NUM);)336 3504 A
5670 V
(19148)210 648 A
5760 V
(19149)210 648 A
1110(/*)S
(Only)168 1236 A
(regular)294 1446 A
(files)210 1782 A
(can)126 2034 A
2202(be)S
(executed.)378 2328 A
2748(*/)S
5850 V
(19150)210 648 A
1110(if)S
((mask)210 1236 A
1488(==)S
(X_BIT)210 1614 A
1866(&&)S
((s_buf->st_mode)630 1992 A
2664(&)S
(I_TYPE))294 2748 A
3084(!=)S
(I_REGULAR))420 3210 A
3672({)S
5940 V
(19151)210 648 A
(close(fd);)420 1362 A
6030 V
(19152)210 648 A
(return(EACCES);)630 1362 A
6120 V
(19153)210 648 A
1110(})S
6210 V
(19154)210 648 A
(return(fd);)462 1110 A
8418 V
EP
%%Page: 267 267
BP
/slant 0 def
/height 0 def
630 V
10 R
648(MINIX)S
976(SOURCE)S
1399(CODE)S
11 R
2068(File:)S
(src/mm/utility.c)707 2301 A
12 B
(267)180 4248 A
900 V
7 LST
(19155)210 648 A
1026(})S
1170 V
(19158)210 648 A
(/*===========================================================================*)3276 1026 A
1260 V
(19159)210 648 A
1068(*)S
(no_sys)252 2370 A
4260(*)S
1350 V
(19160)210 648 A
(*===========================================================================*/)3276 1068 A
1440 V
(19161)210 648 A
(PUBLIC)252 1026 A
(int)126 1320 A
(no_sys())336 1488 A
1530 V
(19162)210 648 A
1026({)S
1620 V
(19163)210 648 A
1026(/*)S
1152(A)S
(system)252 1236 A
(call)168 1530 A
(number)252 1740 A
(not)126 2034 A
(implemented)462 2202 A
2706(by)S
2832(MM)S
(has)126 2958 A
(been)168 3126 A
(requested.)420 3336 A
3798(*/)S
1710 V
(19164)210 648 A
1800 V
(19165)210 648 A
(return(EINVAL);)630 1110 A
1890 V
(19166)210 648 A
1026(})S
2160 V
(19169)210 648 A
(/*===========================================================================*)3276 1026 A
2250 V
(19170)210 648 A
1068(*)S
(panic)210 2370 A
4260(*)S
2340 V
(19171)210 648 A
(*===========================================================================*/)3276 1068 A
2430 V
(19172)210 648 A
(PUBLIC)252 1026 A
(void)168 1320 A
(panic(format,)546 1530 A
(num))168 2118 A
2520 V
(19173)210 648 A
(char)168 1026 A
(*format;)336 1236 A
2370(/*)S
(format)252 2496 A
(string)252 2790 A
3084(*/)S
2610 V
(19174)210 648 A
(int)126 1026 A
(num;)168 1194 A
2370(/*)S
(number)252 2496 A
2790(to)S
2916(go)S
(with)168 3042 A
(format)252 3252 A
(string)252 3546 A
3840(*/)S
2700 V
(19175)210 648 A
1026({)S
2790 V
(19176)210 648 A
1026(/*)S
(Something)378 1152 A
(awful)210 1572 A
(has)126 1824 A
(happened.)378 1992 A
(Panics)252 2454 A
(are)126 2748 A
(caused)252 2916 A
(when)168 3210 A
3420(an)S
(internal)336 3546 A
2880 V
(19177)210 648 A
1068(*)S
(inconsistency)546 1152 A
1740(is)S
(detected,)378 1866 A
(e.g.,)210 2286 A
2538(a)S
(programming)462 2622 A
(error)210 3126 A
3378(or)S
(illegal)294 3504 A
(value)210 3840 A
4092(of)S
4218(a)S
2970 V
(19178)210 648 A
1068(*)S
(defined)294 1152 A
(constant.)378 1488 A
3060 V
(19179)210 648 A
1068(*/)S
3150 V
(19180)210 648 A
3240 V
(19181)210 648 A
(printf("Memory)588 1110 A
(manager)294 1740 A
(panic:)252 2076 A
2370(%s)S
2496(",)S
(format);)336 2622 A
3330 V
(19182)210 648 A
1110(if)S
((num)168 1236 A
1446(!=)S
(NO_NUM))294 1572 A
(printf("%d",num);)714 1908 A
3420 V
(19183)210 648 A
(printf("\n");)546 1110 A
3510 V
(19184)210 648 A
(tell_fs(SYNC,)546 1110 A
1698(0,)S
1824(0,)S
(0);)126 1950 A
2370(/*)S
(flush)210 2496 A
(the)126 2748 A
(cache)210 2916 A
3168(to)S
(the)126 3294 A
(disk)168 3462 A
3672(*/)S
3600 V
(19185)210 648 A
(sys_abort(RBT_PANIC);)882 1110 A
3690 V
(19186)210 648 A
1026(})S
3960 V
(19189)210 648 A
(/*===========================================================================*)3276 1026 A
4050 V
(19190)210 648 A
1068(*)S
(tell_fs)294 2370 A
4260(*)S
4140 V
(19191)210 648 A
(*===========================================================================*/)3276 1068 A
4230 V
(19192)210 648 A
(PUBLIC)252 1026 A
(void)168 1320 A
(tell_fs(what,)546 1530 A
(p1,)126 2118 A
(p2,)126 2286 A
(p3))126 2454 A
4320 V
(19193)210 648 A
(int)126 1026 A
(what,)210 1194 A
(p1,)126 1446 A
(p2,)126 1614 A
(p3;)126 1782 A
4410 V
(19194)210 648 A
1026({)S
4500 V
(19195)210 648 A
1026(/*)S
(This)168 1152 A
(routine)294 1362 A
1698(is)S
(only)168 1824 A
(used)168 2034 A
2244(by)S
2370(MM)S
2496(to)S
(inform)252 2622 A
2916(FS)S
3042(of)S
(certain)294 3168 A
(events:)294 3504 A
4590 V
(19196)210 648 A
1068(*)S
(tell_fs(CHDIR,)588 1362 A
(slot,)210 1992 A
(dir,)168 2244 A
2454(0))S
4680 V
(19197)210 648 A
1068(*)S
(tell_fs(EXEC,)546 1362 A
(proc,)210 1950 A
2202(0,)S
2328(0))S
4770 V
(19198)210 648 A
1068(*)S
(tell_fs(EXIT,)546 1362 A
(proc,)210 1950 A
2202(0,)S
2328(0))S
4860 V
(19199)210 648 A
1068(*)S
(tell_fs(FORK,)546 1362 A
(parent,)294 1950 A
(child,)252 2286 A
(pid))168 2580 A
4950 V
(19200)210 648 A
1068(*)S
(tell_fs(SETGID,)630 1362 A
(proc,)210 2034 A
(realgid,)336 2286 A
(effgid))294 2664 A
5040 V
(19201)210 648 A
1068(*)S
(tell_fs(SETSID,)630 1362 A
(proc,)210 2034 A
2286(0,)S
2412(0))S
5130 V
(19202)210 648 A
1068(*)S
(tell_fs(SETUID,)630 1362 A
(proc,)210 2034 A
(realuid,)336 2286 A
(effuid))294 2664 A
5220 V
(19203)210 648 A
1068(*)S
(tell_fs(SYNC,)546 1362 A
1950(0,)S
2076(0,)S
2202(0))S
5310 V
(19204)210 648 A
1068(*)S
(tell_fs(UNPAUSE,)672 1362 A
(proc,)210 2076 A
(signr,)252 2328 A
2622(0))S
5400 V
(19205)210 648 A
1068(*/)S
5490 V
(19206)210 648 A
5580 V
(19207)210 648 A
(message)294 1110 A
1446(m;)S
5670 V
(19208)210 648 A
5760 V
(19209)210 648 A
(m.m1_i1)294 1110 A
1446(=)S
(p1;)126 1530 A
5850 V
(19210)210 648 A
(m.m1_i2)294 1110 A
1446(=)S
(p2;)126 1530 A
5940 V
(19211)210 648 A
(m.m1_i3)294 1110 A
1446(=)S
(p3;)126 1530 A
6030 V
(19212)210 648 A
(_taskcall(FS_PROC_NR,)882 1110 A
(what,)210 2034 A
(&m);)168 2286 A
6120 V
(19213)210 648 A
1026(})S
8418 V
EP
%%Page: 268 268
BP
/slant 0 def
/height 0 def
630 V
12 B
(268)180 648 A
11 R
2102(File:)S
2335(src/mm/putk.c)S
10 R
3402(MINIX)S
3730(SOURCE)S
4153(CODE)S
990 V
7 LST
(++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++)3528 648 A
1080 V
(src/mm/putk.c)546 2034 A
1170 V
(++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++)3528 648 A
1350 V
(19300)210 648 A
1026(/*)S
1152(MM)S
(must)168 1278 A
(occasionally)504 1488 A
(print)210 2034 A
(some)168 2286 A
(message.)336 2496 A
2916(It)S
(uses)168 3042 A
(the)126 3252 A
(standard)336 3420 A
(library)294 3798 A
1440 V
(19301)210 648 A
1068(*)S
(routine)294 1152 A
(printk().)378 1488 A
((The)168 1950 A
(name)168 2160 A
("printf")336 2370 A
2748(is)S
(really)252 2874 A
3168(a)S
(macro)210 3252 A
(defined)294 3504 A
3840(as)S
1530 V
(19302)210 648 A
1068(*)S
("printk").)420 1152 A
(Printing)336 1614 A
1992(is)S
(done)168 2118 A
2328(by)S
(calling)294 2454 A
(the)126 2790 A
(TTY)126 2958 A
(task)168 3126 A
(directly,)378 3336 A
(not)126 3756 A
(going)210 3924 A
1620 V
(19303)210 648 A
1068(*)S
(through)294 1152 A
(FS.)126 1488 A
1710 V
(19304)210 648 A
1068(*/)S
1800 V
(19305)210 648 A
1890 V
(19306)210 648 A
(#include)336 1026 A
("mm.h")252 1404 A
1980 V
(19307)210 648 A
(#include)336 1026 A
(<minix/com.h>)546 1404 A
2070 V
(19308)210 648 A
2160 V
(19309)210 648 A
(#define)294 1026 A
(BUF_SIZE)336 1362 A
(100)126 2118 A
2370(/*)S
(print)210 2496 A
(buffer)252 2748 A
(size)168 3042 A
3252(*/)S
2250 V
(19310)210 648 A
2340 V
(19311)210 648 A
(PRIVATE)294 1026 A
(int)126 1362 A
(buf_count;)420 1530 A
2370(/*)S
2496(#)S
(characters)420 2580 A
3042(in)S
(the)126 3168 A
(buffer)252 3336 A
3630(*/)S
2430 V
(19312)210 648 A
(PRIVATE)294 1026 A
(char)168 1362 A
(print_buf[BUF_SIZE];)840 1572 A
2706(/*)S
(output)252 2832 A
3126(is)S
(buffered)336 3252 A
(here)168 3630 A
3840(*/)S
2520 V
(19313)210 648 A
(PRIVATE)294 1026 A
(message)294 1362 A
(putch_msg;)420 1698 A
2370(/*)S
(used)168 2496 A
(for)126 2706 A
(message)294 2874 A
3210(to)S
(TTY)126 3336 A
(task)168 3504 A
3714(*/)S
2610 V
(19314)210 648 A
2700 V
(19315)210 648 A
(_PROTOTYPE()462 1026 A
(FORWARD)294 1530 A
(void)168 1866 A
(flush,)252 2076 A
((void))252 2370 A
2664();)S
2790 V
(19316)210 648 A
2880 V
(19317)210 648 A
(/*===========================================================================*)3276 1026 A
2970 V
(19318)210 648 A
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(detected)336 2664 A
3042(*/)S
3870 V
(19558)210 648 A
3960 V
(19559)210 648 A
(#define)294 1026 A
(ROOT_INODE)420 1362 A
2160(1)S
2370(/*)S
(inode)210 2496 A
(number)252 2748 A
(for)126 3042 A
(root)168 3210 A
(directory)378 3420 A
3840(*/)S
4050 V
(19560)210 648 A
(#define)294 1026 A
(BOOT_BLOCK)420 1362 A
(((block_t))420 1866 A
2328(0))S
2706(/*)S
(block)210 2832 A
(number)252 3084 A
3378(of)S
(boot)168 3504 A
(block)210 3714 A
3966(*/)S
4140 V
(19561)210 648 A
(#define)294 1026 A
(SUPER_BLOCK)462 1362 A
(((block_t))420 1866 A
2328(1))S
2706(/*)S
(block)210 2832 A
(number)252 3084 A
3378(of)S
(super)210 3504 A
(block)210 3756 A
4008(*/)S
4230 V
(19562)210 648 A
4320 V
(19563)210 648 A
(#define)294 1026 A
(DIR_ENTRY_SIZE)588 1362 A
(usizeof)294 2244 A
((struct)294 2580 A
(direct))294 2916 A
3294(/*)S
3420(#)S
(bytes/dir)378 3504 A
(entry)210 3924 A
4260(*/)S
4410 V
(19564)210 648 A
(#define)294 1026 A
(NR_DIR_ENTRIES)588 1362 A
((BLOCK_SIZE/DIR_ENTRY_SIZE))1134 2076 A
3294(/*)S
3420(#)S
(dir)126 3504 A
(entries/blk)462 3672 A
4260(*/)S
4500 V
(19565)210 648 A
(#define)294 1026 A
(SUPER_SIZE)420 1362 A
(usizeof)294 2034 A
((struct)294 2370 A
(super_block))504 2706 A
3294(/*)S
(super_block)462 3420 A
(size)168 3924 A
4260(*/)S
4590 V
(19566)210 648 A
(#define)294 1026 A
(PIPE_SIZE)378 1362 A
((V1_NR_DZONES*BLOCK_SIZE))1050 2160 A
3294(/*)S
(pipe)168 3420 A
(size)168 3630 A
3840(in)S
(bytes)210 3966 A
4260(*/)S
4680 V
(19567)210 648 A
(#define)294 1026 A
(BITMAP_CHUNKS)546 1362 A
((BLOCK_SIZE/usizeof)798 1950 A
((bitchunk_t))/*)630 2790 A
3462(#)S
(map)126 3546 A
(chunks/blk)420 3714 A
4260(*/)S
4770 V
(19568)210 648 A
4860 V
(19569)210 648 A
1026(/*)S
(Derived)294 1152 A
(sizes)210 1488 A
(pertaining)420 1740 A
2202(to)S
(the)126 2328 A
2496(V1)S
(file)168 2622 A
(system.)294 2832 A
3168(*/)S
4950 V
(19570)210 648 A
(#define)294 1026 A
(V1_ZONE_NUM_SIZE)672 1362 A
(usizeof)294 2496 A
((zone1_t))378 2832 A
3294(/*)S
3420(#)S
(bytes)210 3504 A
3756(in)S
3882(V1)S
(zone)168 4008 A
4260(*/)S
5040 V
(19571)210 648 A
(#define)294 1026 A
(V1_INODE_SIZE)546 1362 A
(usizeof)294 2454 A
((d1_inode))420 2790 A
3294(/*)S
(bytes)210 3420 A
3672(in)S
3798(V1)S
(dsk)126 3924 A
(ino)126 4092 A
4260(*/)S
5130 V
(19572)210 648 A
(#define)294 1026 A
(V1_INDIRECTS)504 1362 A
((BLOCK_SIZE/V1_ZONE_NUM_SIZE))1218 1992 A
3294(/*)S
3420(#)S
(zones/indir)462 3504 A
(block)210 4008 A
4260(*/)S
5220 V
(19573)210 648 A
(#define)294 1026 A
(V1_INODES_PER_BLOCK)798 1362 A
((BLOCK_SIZE/V1_INODE_SIZE)/*)1176 2202 A
3420(#)S
3504(V1)S
(dsk)126 3630 A
(inodes/blk)420 3798 A
4260(*/)S
5310 V
(19574)210 648 A
5400 V
(19575)210 648 A
1026(/*)S
(Derived)294 1152 A
(sizes)210 1488 A
(pertaining)420 1740 A
2202(to)S
(the)126 2328 A
2496(V2)S
(file)168 2622 A
(system.)294 2832 A
3168(*/)S
5490 V
(19576)210 648 A
(#define)294 1026 A
(V2_ZONE_NUM_SIZE)672 1362 A
(usizeof)294 2538 A
((zone_t))336 2874 A
3294(/*)S
3420(#)S
(bytes)210 3504 A
3756(in)S
3882(V2)S
(zone)168 4008 A
4260(*/)S
5580 V
(19577)210 648 A
(#define)294 1026 A
(V2_INODE_SIZE)546 1362 A
(usizeof)294 2454 A
((d2_inode))420 2790 A
3294(/*)S
(bytes)210 3420 A
3672(in)S
3798(V2)S
(dsk)126 3924 A
(ino)126 4092 A
4260(*/)S
5670 V
(19578)210 648 A
(#define)294 1026 A
(V2_INDIRECTS)504 1362 A
((BLOCK_SIZE/V2_ZONE_NUM_SIZE))1218 1992 A
3294(/*)S
3420(#)S
(zones/indir)462 3504 A
(block)210 4008 A
4260(*/)S
5760 V
(19579)210 648 A
(#define)294 1026 A
(V2_INODES_PER_BLOCK)798 1362 A
((BLOCK_SIZE/V2_INODE_SIZE)/*)1176 2202 A
3420(#)S
3504(V2)S
(dsk)126 3630 A
(inodes/blk)420 3798 A
4260(*/)S
5850 V
(19580)210 648 A
5940 V
(19581)210 648 A
(#define)294 1026 A
(printf)252 1362 A
(printk)252 1656 A
8418 V
EP
%%Page: 271 271
BP
/slant 0 def
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630 V
10 R
648(MINIX)S
976(SOURCE)S
1399(CODE)S
11 R
2148(File:)S
2381(src/fs/type.h)S
12 B
(271)180 4248 A
990 V
7 LST
(++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++)3528 648 A
1080 V
(src/fs/type.h)546 2034 A
1170 V
(++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++)3528 648 A
1350 V
(19600)210 648 A
1026(/*)S
(Declaration)462 1152 A
1656(of)S
(the)126 1782 A
1950(V1)S
(inode)210 2076 A
2328(as)S
2454(it)S
2580(is)S
2706(on)S
(the)126 2832 A
(disk)168 3000 A
((not)168 3210 A
3420(in)S
(core).)252 3546 A
3840(*/)S
1440 V
(19601)210 648 A
(typedef)294 1026 A
(struct)252 1362 A
1656({)S
2370(/*)S
(V1.x)168 2496 A
(disk)168 2706 A
(inode)210 2916 A
3168(*/)S
1530 V
(19602)210 648 A
(mode_t)252 1110 A
(d1_mode;)336 1404 A
2370(/*)S
(file)168 2496 A
(type,)210 2706 A
(protection,)462 2958 A
(etc.)168 3462 A
3672(*/)S
1620 V
(19603)210 648 A
(uid_t)210 1110 A
(d1_uid;)294 1362 A
2370(/*)S
(user)168 2496 A
2706(id)S
2832(of)S
(the)126 2958 A
(file's)252 3126 A
(owner)210 3420 A
3672(*/)S
1710 V
(19604)210 648 A
(off_t)210 1110 A
(d1_size;)336 1362 A
2370(/*)S
(current)294 2496 A
(file)168 2832 A
(size)168 3042 A
3252(in)S
(bytes)210 3378 A
3630(*/)S
1800 V
(19605)210 648 A
(time_t)252 1110 A
(d1_mtime;)378 1404 A
2370(/*)S
(when)168 2496 A
(was)126 2706 A
(file)168 2874 A
(data)168 3084 A
(last)168 3294 A
(changed)294 3504 A
3840(*/)S
1890 V
(19606)210 648 A
(gid_t)210 1110 A
(d1_gid;)294 1362 A
2370(/*)S
(group)210 2496 A
(number)252 2748 A
3042(*/)S
1980 V
(19607)210 648 A
(nlink_t)294 1110 A
(d1_nlinks;)420 1446 A
2370(/*)S
(how)126 2496 A
(many)168 2664 A
(links)210 2874 A
3126(to)S
(this)168 3252 A
(file)168 3462 A
3672(*/)S
2070 V
(19608)210 648 A
(u16_t)210 1110 A
(d1_zone[V1_NR_TZONES];)924 1362 A
2370(/*)S
(block)210 2496 A
(nums)168 2748 A
(for)126 2958 A
(direct,)294 3126 A
(ind,)168 3462 A
(and)126 3672 A
(dbl)126 3840 A
(ind)126 4008 A
4176(*/)S
2160 V
(19609)210 648 A
1026(})S
(d1_inode;)378 1110 A
2250 V
(19610)210 648 A
2340 V
(19611)210 648 A
1026(/*)S
(Declaration)462 1152 A
1656(of)S
(the)126 1782 A
1950(V2)S
(inode)210 2076 A
2328(as)S
2454(it)S
2580(is)S
2706(on)S
(the)126 2832 A
(disk)168 3000 A
((not)168 3210 A
3420(in)S
(core).)252 3546 A
3840(*/)S
2430 V
(19612)210 648 A
(typedef)294 1026 A
(struct)252 1362 A
1656({)S
2370(/*)S
(V2.x)168 2496 A
(disk)168 2706 A
(inode)210 2916 A
3168(*/)S
2520 V
(19613)210 648 A
(mode_t)252 1110 A
(d2_mode;)336 1404 A
2370(/*)S
(file)168 2496 A
(type,)210 2706 A
(protection,)462 2958 A
(etc.)168 3462 A
3672(*/)S
2610 V
(19614)210 648 A
(u16_t)210 1110 A
(d2_nlinks;)420 1362 A
2370(/*)S
(how)126 2496 A
(many)168 2664 A
(links)210 2874 A
3126(to)S
(this)168 3252 A
(file.)210 3462 A
(HACK!)210 3714 A
3966(*/)S
2700 V
(19615)210 648 A
(uid_t)210 1110 A
(d2_uid;)294 1362 A
2370(/*)S
(user)168 2496 A
2706(id)S
2832(of)S
(the)126 2958 A
(file's)252 3126 A
(owner.)252 3420 A
3714(*/)S
2790 V
(19616)210 648 A
(u16_t)210 1110 A
(d2_gid;)294 1362 A
2370(/*)S
(group)210 2496 A
(number)252 2748 A
(HACK!)210 3042 A
3294(*/)S
2880 V
(19617)210 648 A
(off_t)210 1110 A
(d2_size;)336 1362 A
2370(/*)S
(current)294 2496 A
(file)168 2832 A
(size)168 3042 A
3252(in)S
(bytes)210 3378 A
3630(*/)S
2970 V
(19618)210 648 A
(time_t)252 1110 A
(d2_atime;)378 1404 A
2370(/*)S
(when)168 2496 A
(was)126 2706 A
(file)168 2874 A
(data)168 3084 A
(last)168 3294 A
(accessed)336 3504 A
3882(*/)S
3060 V
(19619)210 648 A
(time_t)252 1110 A
(d2_mtime;)378 1404 A
2370(/*)S
(when)168 2496 A
(was)126 2706 A
(file)168 2874 A
(data)168 3084 A
(last)168 3294 A
(changed)294 3504 A
3840(*/)S
3150 V
(19620)210 648 A
(time_t)252 1110 A
(d2_ctime;)378 1404 A
2370(/*)S
(when)168 2496 A
(was)126 2706 A
(inode)210 2874 A
(data)168 3126 A
(last)168 3336 A
(changed)294 3546 A
3882(*/)S
3240 V
(19621)210 648 A
(zone_t)252 1110 A
(d2_zone[V2_NR_TZONES];)924 1404 A
2370(/*)S
(block)210 2496 A
(nums)168 2748 A
(for)126 2958 A
(direct,)294 3126 A
(ind,)168 3462 A
(and)126 3672 A
(dbl)126 3840 A
(ind)126 4008 A
4176(*/)S
3330 V
(19622)210 648 A
1026(})S
(d2_inode;)378 1110 A
3690 V
(++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++)3528 648 A
3780 V
(src/fs/proto.h)588 2034 A
3870 V
(++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++)3528 648 A
4050 V
(19700)210 648 A
1026(/*)S
(Function)336 1152 A
(prototypes.)462 1530 A
2034(*/)S
4140 V
(19701)210 648 A
4230 V
(19702)210 648 A
1026(/*)S
(Structs)294 1152 A
(used)168 1488 A
1698(in)S
(prototypes)420 1824 A
(must)168 2286 A
2496(be)S
(declared)336 2622 A
3000(as)S
(such)168 3126 A
(first.)252 3336 A
3630(*/)S
4320 V
(19703)210 648 A
(struct)252 1026 A
(buf;)168 1320 A
4410 V
(19704)210 648 A
(struct)252 1026 A
(filp;)210 1320 A
4500 V
(19705)210 648 A
(struct)252 1026 A
(inode;)252 1320 A
4590 V
(19706)210 648 A
(struct)252 1026 A
(super_block;)504 1320 A
4680 V
(19707)210 648 A
4770 V
(19708)210 648 A
1026(/*)S
(cache.c)294 1152 A
1488(*/)S
4860 V
(19709)210 648 A
(_PROTOTYPE()462 1026 A
(zone_t)252 1530 A
(alloc_zone,)462 1824 A
((Dev_t)252 2328 A
(dev,)168 2622 A
(zone_t)252 2832 A
3126(z))S
4050();)S
4950 V
(19710)210 648 A
(_PROTOTYPE()462 1026 A
(void)168 1530 A
(flushall,)378 1740 A
((Dev_t)252 2160 A
(dev))168 2454 A
4050();)S
5040 V
(19711)210 648 A
(_PROTOTYPE()462 1026 A
(void)168 1530 A
(free_zone,)420 1740 A
((Dev_t)252 2202 A
(dev,)168 2496 A
(zone_t)252 2706 A
(numb))210 3000 A
4050();)S
5130 V
(19712)210 648 A
(_PROTOTYPE()462 1026 A
(struct)252 1530 A
(buf)126 1824 A
(*get_block,)462 1992 A
((Dev_t)252 2496 A
(dev,)168 2790 A
(block_t)294 3000 A
(block,int)378 3336 A
(only_search));)588 3756 A
5220 V
(19713)210 648 A
(_PROTOTYPE()462 1026 A
(void)168 1530 A
(invalidate,)462 1740 A
((Dev_t)252 2244 A
(device))294 2538 A
4050();)S
5310 V
(19714)210 648 A
(_PROTOTYPE()462 1026 A
(void)168 1530 A
(put_block,)420 1740 A
((struct)294 2202 A
(buf)126 2538 A
(*bp,)168 2706 A
(int)126 2916 A
(block_type))462 3084 A
4050();)S
5400 V
(19715)210 648 A
(_PROTOTYPE()462 1026 A
(void)168 1530 A
(rw_block,)378 1740 A
((struct)294 2160 A
(buf)126 2496 A
(*bp,)168 2664 A
(int)126 2874 A
(rw_flag))336 3042 A
4050();)S
5490 V
(19716)210 648 A
(_PROTOTYPE()462 1026 A
(void)168 1530 A
(rw_scattered,)546 1740 A
((Dev_t)252 2328 A
(dev,)168 2622 A
5580 V
(19717)210 648 A
(struct)252 2034 A
(buf)126 2328 A
(**bufq,)294 2496 A
(int)126 2832 A
(bufqsize,)378 3000 A
(int)126 3420 A
(rw_flag))336 3588 A
4050();)S
5670 V
(19718)210 648 A
5760 V
(19719)210 648 A
1026(/*)S
(device.c)336 1152 A
1530(*/)S
5850 V
(19720)210 648 A
(_PROTOTYPE()462 1026 A
(void)168 1530 A
(call_task,)420 1740 A
((int)168 2202 A
(task_nr,)336 2412 A
(message)294 2790 A
(*mess_ptr))420 3126 A
4050();)S
5940 V
(19721)210 648 A
(_PROTOTYPE()462 1026 A
(void)168 1530 A
(dev_opcl,)378 1740 A
((int)168 2160 A
(task_nr,)336 2370 A
(message)294 2748 A
(*mess_ptr))420 3084 A
4050();)S
6030 V
(19722)210 648 A
(_PROTOTYPE()462 1026 A
(int)126 1530 A
(dev_io,)294 1698 A
((int)168 2034 A
(rw_flag,)336 2244 A
(int)126 2622 A
(nonblock,)378 2790 A
(Dev_t)210 3210 A
(dev,)168 3462 A
6120 V
(19723)210 648 A
(off_t)210 2034 A
(pos,)168 2286 A
(int)126 2496 A
(bytes,)252 2664 A
(int)126 2958 A
(proc,)210 3126 A
(char)168 3378 A
(*buff))252 3588 A
4050();)S
6210 V
(19724)210 648 A
(_PROTOTYPE()462 1026 A
(int)126 1530 A
(do_ioctl,)378 1698 A
((void))252 2118 A
4050();)S
8418 V
EP
%%Page: 272 272
BP
/slant 0 def
/height 0 def
630 V
12 B
(272)180 648 A
11 R
2127(File:)S
2360(src/fs/proto.h)S
10 R
3402(MINIX)S
3730(SOURCE)S
4153(CODE)S
900 V
7 LST
(19725)210 648 A
(_PROTOTYPE()462 1026 A
(void)168 1530 A
(no_dev,)294 1740 A
((int)168 2076 A
(task_nr,)336 2286 A
(message)294 2664 A
(*m_ptr))294 3000 A
4050();)S
990 V
(19726)210 648 A
(_PROTOTYPE()462 1026 A
(void)168 1530 A
(call_ctty,)420 1740 A
((int)168 2202 A
(task_nr,)336 2412 A
(message)294 2790 A
(*mess_ptr))420 3126 A
4050();)S
1080 V
(19727)210 648 A
(_PROTOTYPE()462 1026 A
(void)168 1530 A
(tty_open,)378 1740 A
((int)168 2160 A
(task_nr,)336 2370 A
(message)294 2748 A
(*mess_ptr))420 3084 A
4050();)S
1170 V
(19728)210 648 A
(_PROTOTYPE()462 1026 A
(void)168 1530 A
(ctty_close,)462 1740 A
((int)168 2244 A
(task_nr,)336 2454 A
(message)294 2832 A
(*mess_ptr))420 3168 A
4050();)S
1260 V
(19729)210 648 A
(_PROTOTYPE()462 1026 A
(void)168 1530 A
(ctty_open,)420 1740 A
((int)168 2202 A
(task_nr,)336 2412 A
(message)294 2790 A
(*mess_ptr))420 3126 A
4050();)S
1350 V
(19730)210 648 A
(_PROTOTYPE()462 1026 A
(int)126 1530 A
(do_setsid,)420 1698 A
((void))252 2160 A
4050();)S
1440 V
(19731)210 648 A
(#if)126 1026 A
(ENABLE_NETWORKING)714 1194 A
1530 V
(19732)210 648 A
(_PROTOTYPE()462 1026 A
(void)168 1530 A
(net_open,)378 1740 A
((int)168 2160 A
(task_nr,)336 2370 A
(message)294 2748 A
(*mess_ptr))420 3084 A
4050();)S
1620 V
(19733)210 648 A
(#else)210 1026 A
1710 V
(19734)210 648 A
(#define)294 1026 A
(net_open)336 1362 A
1782(0)S
1800 V
(19735)210 648 A
(#endif)252 1026 A
1890 V
(19736)210 648 A
1980 V
(19737)210 648 A
1026(/*)S
(filedes.c)378 1152 A
1572(*/)S
2070 V
(19738)210 648 A
(_PROTOTYPE()462 1026 A
(struct)252 1530 A
(filp)168 1824 A
(*find_filp,)462 2034 A
((struct)294 2538 A
(inode)210 2874 A
(*rip,)210 3126 A
(Mode_t)252 3378 A
(bits))210 3672 A
4050();)S
2160 V
(19739)210 648 A
(_PROTOTYPE()462 1026 A
(int)126 1530 A
(get_fd,)294 1698 A
((int)168 2034 A
(start,)252 2244 A
(Mode_t)252 2538 A
(bits,)210 2832 A
(int)126 3084 A
(*k,)126 3252 A
(struct)252 3420 A
(filp)168 3714 A
(**fpt))252 3924 A
4218();)S
2250 V
(19740)210 648 A
(_PROTOTYPE()462 1026 A
(struct)252 1530 A
(filp)168 1824 A
(*get_filp,)420 2034 A
((int)168 2496 A
(fild))210 2706 A
4050();)S
2340 V
(19741)210 648 A
2430 V
(19742)210 648 A
1026(/*)S
(inode.c)294 1152 A
1488(*/)S
2520 V
(19743)210 648 A
(_PROTOTYPE()462 1026 A
(struct)252 1530 A
(inode)210 1824 A
(*alloc_inode,)546 2076 A
((Dev_t)252 2664 A
(dev,)168 2958 A
(Mode_t)252 3168 A
(bits))210 3462 A
4050();)S
2610 V
(19744)210 648 A
(_PROTOTYPE()462 1026 A
(void)168 1530 A
(dup_inode,)420 1740 A
((struct)294 2202 A
(inode)210 2538 A
(*ip))168 2790 A
4050();)S
2700 V
(19745)210 648 A
(_PROTOTYPE()462 1026 A
(void)168 1530 A
(free_inode,)462 1740 A
((Dev_t)252 2244 A
(dev,)168 2538 A
(Ino_t)210 2748 A
(numb))210 3000 A
4050();)S
2790 V
(19746)210 648 A
(_PROTOTYPE()462 1026 A
(struct)252 1530 A
(inode)210 1824 A
(*get_inode,)462 2076 A
((Dev_t)252 2580 A
(dev,)168 2874 A
(int)126 3084 A
(numb))210 3252 A
4050();)S
2880 V
(19747)210 648 A
(_PROTOTYPE()462 1026 A
(void)168 1530 A
(put_inode,)420 1740 A
((struct)294 2202 A
(inode)210 2538 A
(*rip))210 2790 A
4050();)S
2970 V
(19748)210 648 A
(_PROTOTYPE()462 1026 A
(void)168 1530 A
(update_times,)546 1740 A
((struct)294 2328 A
(inode)210 2664 A
(*rip))210 2916 A
4050();)S
3060 V
(19749)210 648 A
(_PROTOTYPE()462 1026 A
(void)168 1530 A
(rw_inode,)378 1740 A
((struct)294 2160 A
(inode)210 2496 A
(*rip,)210 2748 A
(int)126 3000 A
(rw_flag))336 3168 A
4050();)S
3150 V
(19750)210 648 A
(_PROTOTYPE()462 1026 A
(void)168 1530 A
(wipe_inode,)462 1740 A
((struct)294 2244 A
(inode)210 2580 A
(*rip))210 2832 A
4050();)S
3240 V
(19751)210 648 A
3330 V
(19752)210 648 A
1026(/*)S
(link.c)252 1152 A
1446(*/)S
3420 V
(19753)210 648 A
(_PROTOTYPE()462 1026 A
(int)126 1530 A
(do_link,)336 1698 A
((void))252 2076 A
4050();)S
3510 V
(19754)210 648 A
(_PROTOTYPE()462 1026 A
(int)126 1530 A
(do_unlink,)420 1698 A
((void))252 2160 A
4050();)S
3600 V
(19755)210 648 A
(_PROTOTYPE()462 1026 A
(int)126 1530 A
(do_rename,)420 1698 A
((void))252 2160 A
4050();)S
3690 V
(19756)210 648 A
(_PROTOTYPE()462 1026 A
(void)168 1530 A
(truncate,)378 1740 A
((struct)294 2160 A
(inode)210 2496 A
(*rip))210 2748 A
4050();)S
3780 V
(19757)210 648 A
3870 V
(19758)210 648 A
1026(/*)S
(lock.c)252 1152 A
1446(*/)S
3960 V
(19759)210 648 A
(_PROTOTYPE()462 1026 A
(int)126 1530 A
(lock_op,)336 1698 A
((struct)294 2076 A
(filp)168 2412 A
(*f,)126 2622 A
(int)126 2790 A
(req))168 2958 A
4050();)S
4050 V
(19760)210 648 A
(_PROTOTYPE()462 1026 A
(void)168 1530 A
(lock_revive,)504 1740 A
((void))252 2286 A
4050();)S
4140 V
(19761)210 648 A
4230 V
(19762)210 648 A
1026(/*)S
(main.c)252 1152 A
1446(*/)S
4320 V
(19763)210 648 A
(_PROTOTYPE()462 1026 A
(void)168 1530 A
(main,)210 1740 A
((void))252 1992 A
4050();)S
4410 V
(19764)210 648 A
(_PROTOTYPE()462 1026 A
(void)168 1530 A
(reply,)252 1740 A
((int)168 2034 A
(whom,)210 2244 A
(int)126 2496 A
(result))294 2664 A
4050();)S
4500 V
(19765)210 648 A
4590 V
(19766)210 648 A
1026(/*)S
(misc.c)252 1152 A
1446(*/)S
4680 V
(19767)210 648 A
(_PROTOTYPE()462 1026 A
(int)126 1530 A
(do_dup,)294 1698 A
((void))252 2034 A
4050();)S
4770 V
(19768)210 648 A
(_PROTOTYPE()462 1026 A
(int)126 1530 A
(do_exit,)336 1698 A
((void))252 2076 A
4050();)S
4860 V
(19769)210 648 A
(_PROTOTYPE()462 1026 A
(int)126 1530 A
(do_fcntl,)378 1698 A
((void))252 2118 A
4050();)S
4950 V
(19770)210 648 A
(_PROTOTYPE()462 1026 A
(int)126 1530 A
(do_fork,)336 1698 A
((void))252 2076 A
4050();)S
5040 V
(19771)210 648 A
(_PROTOTYPE()462 1026 A
(int)126 1530 A
(do_exec,)336 1698 A
((void))252 2076 A
4050();)S
5130 V
(19772)210 648 A
(_PROTOTYPE()462 1026 A
(int)126 1530 A
(do_revive,)420 1698 A
((void))252 2160 A
4050();)S
5220 V
(19773)210 648 A
(_PROTOTYPE()462 1026 A
(int)126 1530 A
(do_set,)294 1698 A
((void))252 2034 A
4050();)S
5310 V
(19774)210 648 A
(_PROTOTYPE()462 1026 A
(int)126 1530 A
(do_sync,)336 1698 A
((void))252 2076 A
4050();)S
5400 V
(19775)210 648 A
5490 V
(19776)210 648 A
1026(/*)S
(mount.c)294 1152 A
1488(*/)S
5580 V
(19777)210 648 A
(_PROTOTYPE()462 1026 A
(int)126 1530 A
(do_mount,)378 1698 A
((void))252 2118 A
4050();)S
5670 V
(19778)210 648 A
(_PROTOTYPE()462 1026 A
(int)126 1530 A
(do_umount,)420 1698 A
((void))252 2160 A
4050();)S
5760 V
(19779)210 648 A
5850 V
(19780)210 648 A
1026(/*)S
(open.c)252 1152 A
1446(*/)S
5940 V
(19781)210 648 A
(_PROTOTYPE()462 1026 A
(int)126 1530 A
(do_close,)378 1698 A
((void))252 2118 A
4050();)S
6030 V
(19782)210 648 A
(_PROTOTYPE()462 1026 A
(int)126 1530 A
(do_creat,)378 1698 A
((void))252 2118 A
4050();)S
6120 V
(19783)210 648 A
(_PROTOTYPE()462 1026 A
(int)126 1530 A
(do_lseek,)378 1698 A
((void))252 2118 A
4050();)S
6210 V
(19784)210 648 A
(_PROTOTYPE()462 1026 A
(int)126 1530 A
(do_mknod,)378 1698 A
((void))252 2118 A
4050();)S
8418 V
EP
%%Page: 273 273
BP
/slant 0 def
/height 0 def
630 V
10 R
648(MINIX)S
976(SOURCE)S
1399(CODE)S
11 R
2127(File:)S
2360(src/fs/proto.h)S
12 B
(273)180 4248 A
900 V
7 LST
(19785)210 648 A
(_PROTOTYPE()462 1026 A
(int)126 1530 A
(do_mkdir,)378 1698 A
((void))252 2118 A
4050();)S
990 V
(19786)210 648 A
(_PROTOTYPE()462 1026 A
(int)126 1530 A
(do_open,)336 1698 A
((void))252 2076 A
4050();)S
1080 V
(19787)210 648 A
1170 V
(19788)210 648 A
1026(/*)S
(path.c)252 1152 A
1446(*/)S
1260 V
(19789)210 648 A
(_PROTOTYPE()462 1026 A
(struct)252 1530 A
(inode)210 1824 A
(*advance,(struct)672 2076 A
(inode)210 2790 A
(*dirp,)252 3042 A
(char)168 3336 A
(string[NAME_MAX]));)798 3546 A
1350 V
(19790)210 648 A
(_PROTOTYPE()462 1026 A
(int)126 1530 A
(search_dir,)462 1698 A
((struct)294 2202 A
(inode)210 2538 A
(*ldir_ptr,)420 2790 A
1440 V
(19791)210 648 A
(char)168 2034 A
(string)252 2244 A
([NAME_MAX],)462 2538 A
(ino_t)210 3042 A
(*numb,)252 3294 A
(int)126 3588 A
(flag))210 3756 A
4050();)S
1530 V
(19792)210 648 A
(_PROTOTYPE()462 1026 A
(struct)252 1530 A
(inode)210 1824 A
(*eat_path,)420 2076 A
((char)210 2538 A
(*path))252 2790 A
4050();)S
1620 V
(19793)210 648 A
(_PROTOTYPE()462 1026 A
(struct)252 1530 A
(inode)210 1824 A
(*last_dir,)420 2076 A
((char)210 2538 A
(*path,)252 2790 A
(char)168 3084 A
(string)252 3294 A
([NAME_MAX]));)546 3588 A
1710 V
(19794)210 648 A
1800 V
(19795)210 648 A
1026(/*)S
(pipe.c)252 1152 A
1446(*/)S
1890 V
(19796)210 648 A
(_PROTOTYPE()462 1026 A
(int)126 1530 A
(do_pipe,)336 1698 A
((void))252 2076 A
4050();)S
1980 V
(19797)210 648 A
(_PROTOTYPE()462 1026 A
(int)126 1530 A
(do_unpause,)462 1698 A
((void))252 2202 A
4050();)S
2070 V
(19798)210 648 A
(_PROTOTYPE()462 1026 A
(int)126 1530 A
(pipe_check,)462 1698 A
((struct)294 2202 A
(inode)210 2538 A
(*rip,)210 2790 A
(int)126 3042 A
(rw_flag,)336 3210 A
2160 V
(19799)210 648 A
(int)126 2034 A
(oflags,)294 2202 A
(int)126 2538 A
(bytes,)252 2706 A
(off_t)210 3000 A
(position,)378 3252 A
(int)126 3672 A
(*canwrite));)504 3840 A
2250 V
(19800)210 648 A
(_PROTOTYPE()462 1026 A
(void)168 1530 A
(release,)336 1740 A
((struct)294 2118 A
(inode)210 2454 A
(*ip,)168 2706 A
(int)126 2916 A
(call_nr,)336 3084 A
(int)126 3462 A
(count))252 3630 A
4050();)S
2340 V
(19801)210 648 A
(_PROTOTYPE()462 1026 A
(void)168 1530 A
(revive,)294 1740 A
((int)168 2076 A
(proc_nr,)336 2286 A
(int)126 2664 A
(bytes))252 2832 A
4050();)S
2430 V
(19802)210 648 A
(_PROTOTYPE()462 1026 A
(void)168 1530 A
(suspend,)336 1740 A
((int)168 2118 A
(task))210 2328 A
4050();)S
2520 V
(19803)210 648 A
2610 V
(19804)210 648 A
1026(/*)S
(protect.c)378 1152 A
1572(*/)S
2700 V
(19805)210 648 A
(_PROTOTYPE()462 1026 A
(int)126 1530 A
(do_access,)420 1698 A
((void))252 2160 A
4050();)S
2790 V
(19806)210 648 A
(_PROTOTYPE()462 1026 A
(int)126 1530 A
(do_chmod,)378 1698 A
((void))252 2118 A
4050();)S
2880 V
(19807)210 648 A
(_PROTOTYPE()462 1026 A
(int)126 1530 A
(do_chown,)378 1698 A
((void))252 2118 A
4050();)S
2970 V
(19808)210 648 A
(_PROTOTYPE()462 1026 A
(int)126 1530 A
(do_umask,)378 1698 A
((void))252 2118 A
4050();)S
3060 V
(19809)210 648 A
(_PROTOTYPE()462 1026 A
(int)126 1530 A
(forbidden,)420 1698 A
((struct)294 2160 A
(inode)210 2496 A
(*rip,)210 2748 A
(Mode_t)252 3000 A
(access_desired))630 3294 A
4050();)S
3150 V
(19810)210 648 A
(_PROTOTYPE()462 1026 A
(int)126 1530 A
(read_only,)420 1698 A
((struct)294 2160 A
(inode)210 2496 A
(*ip))168 2748 A
4050();)S
3240 V
(19811)210 648 A
3330 V
(19812)210 648 A
1026(/*)S
(putk.c)252 1152 A
1446(*/)S
3420 V
(19813)210 648 A
(_PROTOTYPE()462 1026 A
(void)168 1530 A
(putk,)210 1740 A
((int)168 1992 A
2202(c))S
4050();)S
3510 V
(19814)210 648 A
3600 V
(19815)210 648 A
1026(/*)S
(read.c)252 1152 A
1446(*/)S
3690 V
(19816)210 648 A
(_PROTOTYPE()462 1026 A
(int)126 1530 A
(do_read,)336 1698 A
((void))252 2076 A
4050();)S
3780 V
(19817)210 648 A
(_PROTOTYPE()462 1026 A
(struct)252 1530 A
(buf)126 1824 A
(*rahead,)336 1992 A
((struct)294 2370 A
(inode)210 2706 A
(*rip,)210 2958 A
(block_t)294 3210 A
(baseblock,)420 3546 A
3870 V
(19818)210 648 A
(off_t)210 2034 A
(position,)378 2286 A
(unsigned)336 2706 A
(bytes_ahead))504 3084 A
4050();)S
3960 V
(19819)210 648 A
(_PROTOTYPE()462 1026 A
(void)168 1530 A
(read_ahead,)462 1740 A
((void))252 2244 A
4050();)S
4050 V
(19820)210 648 A
(_PROTOTYPE()462 1026 A
(block_t)294 1530 A
(read_map,)378 1866 A
((struct)294 2286 A
(inode)210 2622 A
(*rip,)210 2874 A
(off_t)210 3126 A
(position))378 3378 A
4050();)S
4140 V
(19821)210 648 A
(_PROTOTYPE()462 1026 A
(int)126 1530 A
(read_write,)462 1698 A
((int)168 2202 A
(rw_flag))336 2412 A
4050();)S
4230 V
(19822)210 648 A
(_PROTOTYPE()462 1026 A
(zone_t)252 1530 A
(rd_indir,)378 1824 A
((struct)294 2244 A
(buf)126 2580 A
(*bp,)168 2748 A
(int)126 2958 A
(index))252 3126 A
4050();)S
4320 V
(19823)210 648 A
4410 V
(19824)210 648 A
1026(/*)S
(stadir.c)336 1152 A
1530(*/)S
4500 V
(19825)210 648 A
(_PROTOTYPE()462 1026 A
(int)126 1530 A
(do_chdir,)378 1698 A
((void))252 2118 A
4050();)S
4590 V
(19826)210 648 A
(_PROTOTYPE()462 1026 A
(int)126 1530 A
(do_chroot,)420 1698 A
((void))252 2160 A
4050();)S
4680 V
(19827)210 648 A
(_PROTOTYPE()462 1026 A
(int)126 1530 A
(do_fstat,)378 1698 A
((void))252 2118 A
4050();)S
4770 V
(19828)210 648 A
(_PROTOTYPE()462 1026 A
(int)126 1530 A
(do_stat,)336 1698 A
((void))252 2076 A
4050();)S
4860 V
(19829)210 648 A
4950 V
(19830)210 648 A
1026(/*)S
(super.c)294 1152 A
1488(*/)S
5040 V
(19831)210 648 A
(_PROTOTYPE()462 1026 A
(bit_t)210 1530 A
(alloc_bit,)420 1782 A
((struct)294 2244 A
(super_block)462 2580 A
(*sp,)168 3084 A
(int)126 3294 A
(map,)168 3462 A
(bit_t)210 3672 A
(origin));)378 3924 A
5130 V
(19832)210 648 A
(_PROTOTYPE()462 1026 A
(void)168 1530 A
(free_bit,)378 1740 A
((struct)294 2160 A
(super_block)462 2496 A
(*sp,)168 3000 A
(int)126 3210 A
(map,)168 3378 A
5220 V
(19833)210 648 A
(bit_t)210 3042 A
(bit_returned))546 3294 A
4050();)S
5310 V
(19834)210 648 A
(_PROTOTYPE()462 1026 A
(struct)252 1530 A
(super_block)462 1824 A
(*get_super,)462 2328 A
((Dev_t)252 2832 A
(dev))168 3126 A
4050();)S
5400 V
(19835)210 648 A
(_PROTOTYPE()462 1026 A
(int)126 1530 A
(mounted,)336 1698 A
((struct)294 2076 A
(inode)210 2412 A
(*rip))210 2664 A
4050();)S
5490 V
(19836)210 648 A
(_PROTOTYPE()462 1026 A
(int)126 1530 A
(read_super,)462 1698 A
((struct)294 2202 A
(super_block)462 2538 A
(*sp))168 3042 A
4050();)S
5580 V
(19837)210 648 A
5670 V
(19838)210 648 A
1026(/*)S
(time.c)252 1152 A
1446(*/)S
5760 V
(19839)210 648 A
(_PROTOTYPE()462 1026 A
(int)126 1530 A
(do_stime,)378 1698 A
((void))252 2118 A
4050();)S
5850 V
(19840)210 648 A
(_PROTOTYPE()462 1026 A
(int)126 1530 A
(do_time,)336 1698 A
((void))252 2076 A
4050();)S
5940 V
(19841)210 648 A
(_PROTOTYPE()462 1026 A
(int)126 1530 A
(do_tims,)336 1698 A
((void))252 2076 A
4050();)S
6030 V
(19842)210 648 A
(_PROTOTYPE()462 1026 A
(int)126 1530 A
(do_utime,)378 1698 A
((void))252 2118 A
4050();)S
6120 V
(19843)210 648 A
6210 V
(19844)210 648 A
1026(/*)S
(utility.c)378 1152 A
1572(*/)S
8418 V
EP
%%Page: 274 274
BP
/slant 0 def
/height 0 def
630 V
12 B
(274)180 648 A
11 R
2127(File:)S
2360(src/fs/proto.h)S
10 R
3402(MINIX)S
3730(SOURCE)S
4153(CODE)S
900 V
7 LST
(19845)210 648 A
(_PROTOTYPE()462 1026 A
(time_t)252 1530 A
(clock_time,)462 1824 A
((void))252 2328 A
4050();)S
990 V
(19846)210 648 A
(_PROTOTYPE()462 1026 A
(unsigned)336 1530 A
(conv2,)252 1908 A
((int)168 2202 A
(norm,)210 2412 A
(int)126 2664 A
2832(w))S
4050();)S
1080 V
(19847)210 648 A
(_PROTOTYPE()462 1026 A
(long)168 1530 A
(conv4,)252 1740 A
((int)168 2034 A
(norm,)210 2244 A
(long)168 2496 A
2706(x))S
4050();)S
1170 V
(19848)210 648 A
(_PROTOTYPE()462 1026 A
(int)126 1530 A
(fetch_name,)462 1698 A
((char)210 2202 A
(*path,)252 2454 A
(int)126 2748 A
(len,)168 2916 A
(int)126 3126 A
(flag))210 3294 A
4050();)S
1260 V
(19849)210 648 A
(_PROTOTYPE()462 1026 A
(int)126 1530 A
(no_sys,)294 1698 A
((void))252 2034 A
4050();)S
1350 V
(19850)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
1440 V
(19851)210 648 A
1530 V
(19852)210 648 A
1026(/*)S
(write.c)294 1152 A
1488(*/)S
1620 V
(19853)210 648 A
(_PROTOTYPE()462 1026 A
(void)168 1530 A
(clear_zone,)462 1740 A
((struct)294 2244 A
(inode)210 2580 A
(*rip,)210 2832 A
(off_t)210 3084 A
(pos,)168 3336 A
(int)126 3546 A
(flag))210 3714 A
4050();)S
1710 V
(19854)210 648 A
(_PROTOTYPE()462 1026 A
(int)126 1530 A
(do_write,)378 1698 A
((void))252 2118 A
4050();)S
1800 V
(19855)210 648 A
(_PROTOTYPE()462 1026 A
(struct)252 1530 A
(buf)126 1824 A
(*new_block,)462 1992 A
((struct)294 2496 A
(inode)210 2832 A
(*rip,)210 3084 A
(off_t)210 3336 A
(position))378 3588 A
4050();)S
1890 V
(19856)210 648 A
(_PROTOTYPE()462 1026 A
(void)168 1530 A
(zero_block,)462 1740 A
((struct)294 2244 A
(buf)126 2580 A
(*bp))168 2748 A
4050();)S
2340 V
(++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++)3528 648 A
2430 V
(src/fs/glo.h)504 2034 A
2520 V
(++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++)3528 648 A
2700 V
(19900)210 648 A
1026(/*)S
(EXTERN)252 1152 A
(should)252 1446 A
1740(be)S
(extern)252 1866 A
(except)252 2160 A
(for)126 2454 A
(the)126 2622 A
(table)210 2790 A
(file)168 3042 A
3252(*/)S
2790 V
(19901)210 648 A
(#ifdef)252 1026 A
(_TABLE)252 1320 A
2880 V
(19902)210 648 A
(#undef)252 1026 A
(EXTERN)252 1320 A
2970 V
(19903)210 648 A
(#define)294 1026 A
(EXTERN)252 1362 A
3060 V
(19904)210 648 A
(#endif)252 1026 A
3150 V
(19905)210 648 A
3240 V
(19906)210 648 A
1026(/*)S
(File)168 1152 A
(System)252 1362 A
(global)252 1656 A
(variables)378 1950 A
2370(*/)S
3330 V
(19907)210 648 A
(EXTERN)252 1026 A
(struct)252 1320 A
(fproc)210 1614 A
(*fp;)168 1866 A
2370(/*)S
(pointer)294 2496 A
2832(to)S
(caller's)336 2958 A
(fproc)210 3336 A
(struct)252 3588 A
3882(*/)S
3420 V
(19908)210 648 A
(EXTERN)252 1026 A
(int)126 1320 A
(super_user;)462 1488 A
2370(/*)S
2496(1)S
2580(if)S
(caller)252 2706 A
3000(is)S
(super_user,)462 3126 A
(else)168 3630 A
3840(0)S
3924(*/)S
3510 V
(19909)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
3600 V
(19910)210 648 A
(EXTERN)252 1026 A
(int)126 1320 A
(susp_count;)462 1488 A
2370(/*)S
(number)252 2496 A
2790(of)S
(procs)210 2916 A
(suspended)378 3168 A
3588(on)S
(pipe)168 3714 A
3924(*/)S
3690 V
(19911)210 648 A
(EXTERN)252 1026 A
(int)126 1320 A
(nr_locks;)378 1488 A
2370(/*)S
(number)252 2496 A
2790(of)S
(locks)210 2916 A
(currently)378 3168 A
3588(in)S
(place)210 3714 A
3966(*/)S
3780 V
(19912)210 648 A
(EXTERN)252 1026 A
(int)126 1320 A
(reviving;)378 1488 A
2370(/*)S
(number)252 2496 A
2790(of)S
(pipe)168 2916 A
(processes)378 3126 A
3546(to)S
3672(be)S
(revived)294 3798 A
4134(*/)S
3870 V
(19913)210 648 A
(EXTERN)252 1026 A
(off_t)210 1320 A
(rdahedpos;)420 1572 A
2370(/*)S
(position)336 2496 A
2874(to)S
(read)168 3000 A
(ahead)210 3210 A
3462(*/)S
3960 V
(19914)210 648 A
(EXTERN)252 1026 A
(struct)252 1320 A
(inode)210 1614 A
(*rdahed_inode;)588 1866 A
2706(/*)S
(pointer)294 2832 A
3168(to)S
(inode)210 3294 A
3546(to)S
(read)168 3672 A
(ahead)210 3882 A
4134(*/)S
4050 V
(19915)210 648 A
4140 V
(19916)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
(19917)210 648 A
(EXTERN)252 1026 A
(message)294 1320 A
1656(m;)S
2370(/*)S
(the)126 2496 A
(input)210 2664 A
(message)294 2916 A
(itself)252 3252 A
3546(*/)S
4320 V
(19918)210 648 A
(EXTERN)252 1026 A
(message)294 1320 A
(m1;)126 1656 A
2370(/*)S
(the)126 2496 A
(output)252 2664 A
(message)294 2958 A
(used)168 3294 A
(for)126 3504 A
(reply)210 3672 A
3924(*/)S
4410 V
(19919)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
(19920)210 648 A
(EXTERN)252 1026 A
(int)126 1320 A
(fs_call;)336 1488 A
2370(/*)S
(system)252 2496 A
(call)168 2790 A
(number)252 3000 A
3294(*/)S
4590 V
(19921)210 648 A
(EXTERN)252 1026 A
(char)168 1320 A
(user_path[PATH_MAX];/*)924 1530 A
(storage)294 2496 A
(for)126 2832 A
(user)168 3000 A
(path)168 3210 A
(name)168 3420 A
3630(*/)S
4680 V
(19922)210 648 A
4770 V
(19923)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
4860 V
(19924)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
4950 V
(19925)210 648 A
(EXTERN)252 1026 A
(int)126 1320 A
(rdwt_err;)378 1488 A
2370(/*)S
(status)252 2496 A
2790(of)S
(last)168 2916 A
(disk)168 3126 A
(i/o)126 3336 A
(request)294 3504 A
3840(*/)S
5040 V
(19926)210 648 A
5130 V
(19927)210 648 A
1026(/*)S
(Data)168 1152 A
(which)210 1362 A
(need)168 1614 A
(initialization.)630 1824 A
2496(*/)S
5220 V
(19928)210 648 A
(extern)252 1026 A
(_PROTOTYPE)420 1320 A
((int)168 1782 A
((*call_vector[]),)714 1992 A
((void))252 2748 A
3042();)S
3168(/*)S
(sys)126 3294 A
(call)168 3462 A
(table)210 3672 A
3924(*/)S
5310 V
(19929)210 648 A
(extern)252 1026 A
(int)126 1320 A
(max_major;)420 1488 A
1992(/*)S
(maximum)294 2118 A
(major)210 2454 A
(device)252 2706 A
3000((+)S
3126(1))S
3252(*/)S
5400 V
(19930)210 648 A
(extern)252 1026 A
(char)168 1320 A
(dot1[2];)336 1530 A
1992(/*)S
(dot1)168 2118 A
((&dot1[0]))420 2328 A
(and)126 2790 A
(dot2)168 2958 A
((&dot2[0]))420 3168 A
(have)168 3630 A
3840(a)S
(special)294 3924 A
4260(*/)S
5490 V
(19931)210 648 A
(extern)252 1026 A
(char)168 1320 A
(dot2[3];)336 1530 A
1992(/*)S
(meaning)294 2118 A
2454(to)S
(search_dir:)462 2580 A
3084(no)S
(access)252 3210 A
(permission)420 3504 A
(check.)252 3966 A
4260(*/)S
8418 V
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630 V
10 R
648(MINIX)S
976(SOURCE)S
1399(CODE)S
11 R
2127(File:)S
2360(src/fs/fproc.h)S
12 B
(275)180 4248 A
990 V
7 LST
(++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++)3528 648 A
1080 V
(src/fs/fproc.h)588 2034 A
1170 V
(++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++)3528 648 A
1350 V
(20000)210 648 A
1026(/*)S
(This)168 1152 A
1362(is)S
(the)126 1488 A
(per-process)462 1656 A
(information.)504 2160 A
2748(A)S
(slot)168 2832 A
3042(is)S
(reserved)336 3168 A
(for)126 3546 A
(each)168 3714 A
(potential)378 3924 A
1440 V
(20001)210 648 A
1068(*)S
(process.)336 1152 A
(Thus)168 1530 A
(NR_PROCS)336 1740 A
(must)168 2118 A
2328(be)S
(the)126 2454 A
(same)168 2622 A
2832(as)S
2958(in)S
(the)126 3084 A
(kernel.)294 3252 A
3588(It)S
3714(is)S
(not)126 3840 A
(possible)336 4008 A
1530 V
(20002)210 648 A
1068(*)S
1152(or)S
(even)168 1278 A
(necessary)378 1488 A
1908(to)S
(tell)168 2034 A
(when)168 2244 A
2454(a)S
(slot)168 2538 A
2748(is)S
(free)168 2874 A
(here.)210 3084 A
1620 V
(20003)210 648 A
1068(*/)S
1710 V
(20004)210 648 A
1800 V
(20005)210 648 A
1890 V
(20006)210 648 A
(EXTERN)252 1026 A
(struct)252 1320 A
(fproc)210 1614 A
1866({)S
1980 V
(20007)210 648 A
(mode_t)252 1110 A
(fp_umask;)378 1404 A
2370(/*)S
(mask)168 2496 A
(set)126 2706 A
2874(by)S
(umask)210 3000 A
(system)252 3252 A
(call)168 3546 A
3756(*/)S
2070 V
(20008)210 648 A
(struct)252 1110 A
(inode)210 1404 A
(*fp_workdir;)504 1656 A
2370(/*)S
(pointer)294 2496 A
2832(to)S
(working)294 2958 A
(directory's)462 3294 A
(inode)210 3798 A
4050(*/)S
2160 V
(20009)210 648 A
(struct)252 1110 A
(inode)210 1404 A
(*fp_rootdir;)504 1656 A
2370(/*)S
(pointer)294 2496 A
2832(to)S
(current)294 2958 A
(root)168 3294 A
(dir)126 3504 A
((see)168 3672 A
(chroot))294 3882 A
4218(*/)S
2250 V
(20010)210 648 A
(struct)252 1110 A
(filp)168 1404 A
(*fp_filp[OPEN_MAX];/*)882 1614 A
(the)126 2538 A
(file)168 2706 A
(descriptor)420 2916 A
(table)210 3378 A
3630(*/)S
2340 V
(20011)210 648 A
(uid_t)210 1110 A
(fp_realuid;)462 1362 A
2370(/*)S
(real)168 2496 A
(user)168 2706 A
2916(id)S
3042(*/)S
2430 V
(20012)210 648 A
(uid_t)210 1110 A
(fp_effuid;)420 1362 A
2370(/*)S
(effective)378 2496 A
(user)168 2916 A
3126(id)S
3252(*/)S
2520 V
(20013)210 648 A
(gid_t)210 1110 A
(fp_realgid;)462 1362 A
2370(/*)S
(real)168 2496 A
(group)210 2706 A
2958(id)S
3084(*/)S
2610 V
(20014)210 648 A
(gid_t)210 1110 A
(fp_effgid;)420 1362 A
2370(/*)S
(effective)378 2496 A
(group)210 2916 A
3168(id)S
3294(*/)S
2700 V
(20015)210 648 A
(dev_t)210 1110 A
(fp_tty;)294 1362 A
2370(/*)S
(major/minor)462 2496 A
3000(of)S
(controlling)462 3126 A
(tty)126 3630 A
3798(*/)S
2790 V
(20016)210 648 A
(int)126 1110 A
(fp_fd;)252 1278 A
2370(/*)S
(place)210 2496 A
2748(to)S
(save)168 2874 A
3084(fd)S
3210(if)S
(rd/wr)210 3336 A
(can't)210 3588 A
(finish)252 3840 A
4134(*/)S
2880 V
(20017)210 648 A
(char)168 1110 A
(*fp_buffer;)462 1320 A
2370(/*)S
(place)210 2496 A
2748(to)S
(save)168 2874 A
(buffer)252 3084 A
3378(if)S
(rd/wr)210 3504 A
(can't)210 3756 A
(finish*/)336 4008 A
2970 V
(20018)210 648 A
(int)126 1110 A
(fp_nbytes;)420 1320 A
2370(/*)S
(place)210 2496 A
2748(to)S
(save)168 2874 A
(bytes)210 3084 A
3336(if)S
(rd/wr)210 3462 A
(can't)210 3714 A
(finish)252 3966 A
4260(*/)S
3060 V
(20019)210 648 A
(int)126 1110 A
(fp_cum_io_partial;)756 1320 A
2370(/*)S
(partial)294 2496 A
(byte)168 2832 A
(count)210 3042 A
3294(if)S
(rd/wr)210 3420 A
(can't)210 3672 A
(finish)252 3924 A
4218(*/)S
3150 V
(20020)210 648 A
(char)168 1110 A
(fp_suspended;)546 1320 A
2370(/*)S
(set)126 2496 A
2664(to)S
(indicate)336 2790 A
(process)294 3168 A
(hanging)294 3504 A
3840(*/)S
3240 V
(20021)210 648 A
(char)168 1110 A
(fp_revived;)462 1320 A
2370(/*)S
(set)126 2496 A
2664(to)S
(indicate)336 2790 A
(process)294 3168 A
(being)210 3504 A
(revived)294 3756 A
4092(*/)S
3330 V
(20022)210 648 A
(char)168 1110 A
(fp_task;)336 1320 A
2370(/*)S
(which)210 2496 A
(task)168 2748 A
2958(is)S
(proc)168 3084 A
(suspended)378 3294 A
3714(on)S
3840(*/)S
3420 V
(20023)210 648 A
(char)168 1110 A
(fp_sesldr;)420 1320 A
2370(/*)S
(true)168 2496 A
2706(if)S
(proc)168 2832 A
3042(is)S
3168(a)S
(session)294 3252 A
(leader)252 3588 A
3882(*/)S
3510 V
(20024)210 648 A
(pid_t)210 1110 A
(fp_pid;)294 1362 A
2370(/*)S
(process)294 2496 A
2832(id)S
2958(*/)S
3600 V
(20025)210 648 A
(long)168 1110 A
(fp_cloexec;)462 1320 A
2370(/*)S
(bit)126 2496 A
(map)126 2664 A
(for)126 2832 A
(POSIX)210 3000 A
(Table)210 3252 A
(6-2)126 3504 A
(FD_CLOEXEC)420 3672 A
4134(*/)S
3690 V
(20026)210 648 A
1026(})S
(fproc[NR_PROCS];)672 1110 A
3780 V
(20027)210 648 A
3870 V
(20028)210 648 A
1026(/*)S
(Field)210 1152 A
(values.)294 1404 A
1740(*/)S
3960 V
(20029)210 648 A
(#define)294 1026 A
(NOT_SUSPENDED)546 1362 A
2160(0)S
2370(/*)S
(process)294 2496 A
2832(is)S
(not)126 2958 A
(suspended)378 3126 A
3546(on)S
(pipe)168 3672 A
3882(or)S
(task)168 4008 A
4218(*/)S
4050 V
(20030)210 648 A
(#define)294 1026 A
(SUSPENDED)378 1362 A
2160(1)S
2370(/*)S
(process)294 2496 A
2832(is)S
(suspended)378 2958 A
3378(on)S
(pipe)168 3504 A
3714(or)S
(task)168 3840 A
4050(*/)S
4140 V
(20031)210 648 A
(#define)294 1026 A
(NOT_REVIVING)504 1362 A
2160(0)S
2370(/*)S
(process)294 2496 A
2832(is)S
(not)126 2958 A
(being)210 3126 A
(revived)294 3378 A
3714(*/)S
4230 V
(20032)210 648 A
(#define)294 1026 A
(REVIVING)336 1362 A
2160(1)S
2370(/*)S
(process)294 2496 A
2832(is)S
(being)210 2958 A
(revived)294 3210 A
(from)168 3546 A
(suspension)420 3756 A
4218(*/)S
4590 V
(++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++)3528 648 A
4680 V
(src/fs/buf.h)504 2034 A
4770 V
(++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++)3528 648 A
4950 V
(20100)210 648 A
1026(/*)S
(Buffer)252 1152 A
((block))294 1446 A
(cache.)252 1782 A
2118(To)S
(acquire)294 2244 A
2580(a)S
(block,)252 2664 A
2958(a)S
(routine)294 3042 A
(calls)210 3378 A
(get_block(),)504 3630 A
5040 V
(20101)210 648 A
1068(*)S
(telling)294 1152 A
(which)210 1488 A
(block)210 1740 A
1992(it)S
(wants.)252 2118 A
(The)126 2454 A
(block)210 2622 A
2874(is)S
(then)168 3000 A
(regarded)336 3210 A
3588(as)S
("in)126 3714 A
(use")168 3882 A
5130 V
(20102)210 648 A
1068(*)S
(and)126 1152 A
(has)126 1320 A
(its)126 1488 A
('b_count')378 1656 A
(field)210 2076 A
(incremented.)504 2328 A
(All)126 2916 A
(the)126 3084 A
(blocks)252 3252 A
(that)168 3546 A
(are)126 3756 A
(not)126 3924 A
5220 V
(20103)210 648 A
1068(*)S
1152(in)S
(use)126 1278 A
(are)126 1446 A
(chained)294 1614 A
(together)336 1950 A
2328(in)S
2454(an)S
(LRU)126 2580 A
(list,)210 2748 A
(with)168 3000 A
('front')294 3210 A
(pointing)336 3546 A
5310 V
(20104)210 648 A
1068(*)S
1152(to)S
(the)126 1278 A
(least)210 1446 A
(recently)336 1698 A
(used)168 2076 A
(block,)252 2286 A
(and)126 2580 A
('rear')252 2748 A
3042(to)S
(the)126 3168 A
(most)168 3336 A
(recently)336 3546 A
(used)168 3924 A
5400 V
(20105)210 648 A
1068(*)S
(block.)252 1152 A
1488(A)S
(reverse)294 1572 A
(chain,)252 1908 A
(using)210 2202 A
(the)126 2454 A
(field)210 2622 A
(b_prev)252 2874 A
3168(is)S
(also)168 3294 A
(maintained.)462 3504 A
5490 V
(20106)210 648 A
1068(*)S
(Usage)210 1152 A
(for)126 1404 A
(LRU)126 1572 A
1740(is)S
(measured)336 1866 A
2244(by)S
(the)126 2370 A
(time)168 2538 A
(the)126 2748 A
(put_block())462 2916 A
3420(is)S
(done.)210 3546 A
(The)126 3840 A
(second)252 4008 A
5580 V
(20107)210 648 A
1068(*)S
(parameter)378 1152 A
1572(to)S
(put_block())462 1698 A
(can)126 2202 A
(violate)294 2370 A
(the)126 2706 A
(LRU)126 2874 A
(order)210 3042 A
(and)126 3294 A
(put)126 3462 A
3630(a)S
(block)210 3714 A
3966(on)S
(the)126 4092 A
5670 V
(20108)210 648 A
1068(*)S
(front)210 1152 A
1404(of)S
(the)126 1530 A
(list,)210 1698 A
1950(if)S
2076(it)S
(will)168 2202 A
(probably)336 2412 A
(not)126 2790 A
2958(be)S
(needed)252 3084 A
(soon.)210 3378 A
3672(If)S
3798(a)S
(block)210 3882 A
5760 V
(20109)210 648 A
1068(*)S
1152(is)S
(modified,)378 1278 A
(the)126 1698 A
(modifying)378 1866 A
(routine)294 2286 A
(must)168 2622 A
(set)126 2832 A
(b_dirt)252 3000 A
3294(to)S
(DIRTY,)252 3420 A
3714(so)S
(the)126 3840 A
(block)210 4008 A
5850 V
(20110)210 648 A
1068(*)S
(will)168 1152 A
(eventually)420 1362 A
1824(be)S
(rewritten)378 1950 A
2370(to)S
(the)126 2496 A
(disk.)210 2664 A
5940 V
(20111)210 648 A
1068(*/)S
6030 V
(20112)210 648 A
6120 V
(20113)210 648 A
(#include)336 1026 A
(<sys/dir.h>)462 1404 A
2706(/*)S
(need)168 2832 A
(struct)252 3042 A
(direct)252 3336 A
3630(*/)S
6210 V
(20114)210 648 A
8418 V
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630 V
12 B
(276)180 648 A
11 R
2170(File:)S
2403(src/fs/buf.h)S
10 R
3402(MINIX)S
3730(SOURCE)S
4153(CODE)S
900 V
7 LST
(20115)210 648 A
(EXTERN)252 1026 A
(struct)252 1320 A
(buf)126 1614 A
1782({)S
990 V
(20116)210 648 A
1110(/*)S
(Data)168 1236 A
(portion)294 1446 A
1782(of)S
(the)126 1908 A
(buffer.)294 2076 A
2412(*/)S
1080 V
(20117)210 648 A
(union)210 1110 A
1362({)S
1170 V
(20118)210 648 A
(char)168 1194 A
(b__data[BLOCK_SIZE];)840 1404 A
2916(/*)S
(ordinary)336 3042 A
(user)168 3420 A
(data)168 3630 A
3840(*/)S
1260 V
(20119)210 648 A
(struct)252 1194 A
(direct)252 1488 A
(b__dir[NR_DIR_ENTRIES];)966 1782 A
2916(/*)S
(directory)378 3042 A
(block)210 3462 A
3714(*/)S
1350 V
(20120)210 648 A
(zone1_t)294 1194 A
(b__v1_ind[V1_INDIRECTS];)1008 1530 A
2916(/*)S
3042(V1)S
(indirect)336 3168 A
(block)210 3546 A
3798(*/)S
1440 V
(20121)210 648 A
(zone_t)252 1194 A
(b__v2_ind[V2_INDIRECTS];)1008 1530 A
2916(/*)S
3042(V2)S
(indirect)336 3168 A
(block)210 3546 A
3798(*/)S
1530 V
(20122)210 648 A
(d1_inode)336 1194 A
(b__v1_ino[V1_INODES_PER_BLOCK];)1302 1572 A
2916(/*)S
3042(V1)S
(inode)210 3168 A
(block)210 3420 A
3672(*/)S
1620 V
(20123)210 648 A
(d2_inode)336 1194 A
(b__v2_ino[V2_INODES_PER_BLOCK];)1302 1572 A
2916(/*)S
3042(V2)S
(inode)210 3168 A
(block)210 3420 A
3672(*/)S
1710 V
(20124)210 648 A
(bitchunk_t)420 1194 A
(b__bitmap[BITMAP_CHUNKS];)1050 1656 A
2916(/*)S
(bit)126 3042 A
(map)126 3210 A
(block)210 3378 A
3630(*/)S
1800 V
(20125)210 648 A
1110(})S
1194(b;)S
1890 V
(20126)210 648 A
1980 V
(20127)210 648 A
1110(/*)S
(Header)252 1236 A
(portion)294 1530 A
1866(of)S
(the)126 1992 A
(buffer.)294 2160 A
2496(*/)S
2070 V
(20128)210 648 A
(struct)252 1110 A
(buf)126 1404 A
(*b_next;)336 1572 A
2370(/*)S
(used)168 2496 A
2706(to)S
(link)168 2832 A
(all)126 3042 A
(free)168 3210 A
(bufs)168 3420 A
3630(in)S
3756(a)S
(chain)210 3840 A
4092(*/)S
2160 V
(20129)210 648 A
(struct)252 1110 A
(buf)126 1404 A
(*b_prev;)336 1572 A
2370(/*)S
(used)168 2496 A
2706(to)S
(link)168 2832 A
(all)126 3042 A
(free)168 3210 A
(bufs)168 3420 A
(the)126 3630 A
(other)210 3798 A
(way)126 4050 A
4218(*/)S
2250 V
(20130)210 648 A
(struct)252 1110 A
(buf)126 1404 A
(*b_hash;)336 1572 A
2370(/*)S
(used)168 2496 A
2706(to)S
(link)168 2832 A
(bufs)168 3042 A
3252(on)S
(hash)168 3378 A
(chains)252 3588 A
3882(*/)S
2340 V
(20131)210 648 A
(block_t)294 1110 A
(b_blocknr;)420 1446 A
2370(/*)S
(block)210 2496 A
(number)252 2748 A
3042(of)S
(its)126 3168 A
((minor))294 3336 A
(device)252 3672 A
3966(*/)S
2430 V
(20132)210 648 A
(dev_t)210 1110 A
(b_dev;)252 1362 A
2370(/*)S
(major)210 2496 A
2748(|)S
(minor)210 2832 A
(device)252 3084 A
(where)210 3378 A
(block)210 3630 A
(resides)294 3882 A
4218(*/)S
2520 V
(20133)210 648 A
(char)168 1110 A
(b_dirt;)294 1320 A
2370(/*)S
(CLEAN)210 2496 A
2748(or)S
(DIRTY)210 2874 A
3126(*/)S
2610 V
(20134)210 648 A
(char)168 1110 A
(b_count;)336 1320 A
2370(/*)S
(number)252 2496 A
2790(of)S
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3168(of)S
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1026(})S
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2790 V
(20136)210 648 A
2880 V
(20137)210 648 A
1026(/*)S
1152(A)S
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1488(is)S
(free)168 1614 A
1824(if)S
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2202(==)S
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2664(*/)S
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(20138)210 648 A
3060 V
(20139)210 648 A
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(NIL_BUF)294 1362 A
(((struct)336 1698 A
(buf)126 2076 A
2244(*))S
2370(0))S
2706(/*)S
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(absence)294 3252 A
3588(of)S
3714(a)S
(buffer)252 3798 A
4092(*/)S
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(20140)210 648 A
3240 V
(20141)210 648 A
1026(/*)S
(These)210 1152 A
(defs)168 1404 A
(make)168 1614 A
1824(it)S
(possible)336 1950 A
2328(to)S
(use)126 2454 A
2622(to)S
(bp->b_data)420 2748 A
(instead)294 3210 A
3546(of)S
(bp->b.b__data)546 3672 A
4260(*/)S
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(#define)294 1026 A
(b_data)252 1362 A
(b.b__data)378 1740 A
3420 V
(20143)210 648 A
(#define)294 1026 A
(b_dir)210 1362 A
(b.b__dir)336 1740 A
3510 V
(20144)210 648 A
(#define)294 1026 A
(b_v1_ind)336 1362 A
(b.b__v1_ind)462 1740 A
3600 V
(20145)210 648 A
(#define)294 1026 A
(b_v2_ind)336 1362 A
(b.b__v2_ind)462 1740 A
3690 V
(20146)210 648 A
(#define)294 1026 A
(b_v1_ino)336 1362 A
(b.b__v1_ino)462 1740 A
3780 V
(20147)210 648 A
(#define)294 1026 A
(b_v2_ino)336 1362 A
(b.b__v2_ino)462 1740 A
3870 V
(20148)210 648 A
(#define)294 1026 A
(b_bitmap)336 1362 A
(b.b__bitmap)462 1740 A
3960 V
(20149)210 648 A
4050 V
(20150)210 648 A
(EXTERN)252 1026 A
(struct)252 1320 A
(buf)126 1614 A
(*buf_hash[NR_BUF_HASH];)966 1782 A
3042(/*)S
(the)126 3168 A
(buffer)252 3336 A
(hash)168 3630 A
(table)210 3840 A
4092(*/)S
4140 V
(20151)210 648 A
4230 V
(20152)210 648 A
(EXTERN)252 1026 A
(struct)252 1320 A
(buf)126 1614 A
(*front;)294 1782 A
2370(/*)S
(points)252 2496 A
2790(to)S
(least)210 2916 A
(recently)336 3168 A
(used)168 3546 A
(free)168 3756 A
(block)210 3966 A
4218(*/)S
4320 V
(20153)210 648 A
(EXTERN)252 1026 A
(struct)252 1320 A
(buf)126 1614 A
(*rear;)252 1782 A
2370(/*)S
(points)252 2496 A
2790(to)S
(most)168 2916 A
(recently)336 3126 A
(used)168 3504 A
(free)168 3714 A
(block)210 3924 A
4176(*/)S
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(EXTERN)252 1026 A
(int)126 1320 A
(bufs_in_use;)504 1488 A
2370(/*)S
2496(#)S
(bufs)168 2580 A
(currently)378 2790 A
3210(in)S
(use)126 3336 A
((not)168 3504 A
3714(on)S
(free)168 3840 A
(list)*/)294 4050 A
4500 V
(20155)210 648 A
4590 V
(20156)210 648 A
1026(/*)S
(When)168 1152 A
1362(a)S
(block)210 1446 A
1698(is)S
(released,)378 1824 A
(the)126 2244 A
(type)168 2412 A
2622(of)S
(usage)210 2748 A
3000(is)S
(passed)252 3126 A
3420(to)S
(put_block().)504 3546 A
4092(*/)S
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(20157)210 648 A
(#define)294 1026 A
(WRITE_IMMED)462 1362 A
(0100)168 2160 A
2370(/*)S
(block)210 2496 A
(should)252 2748 A
3042(be)S
(written)294 3168 A
3504(to)S
(disk)168 3630 A
(now)126 3840 A
4008(*/)S
4770 V
(20158)210 648 A
(#define)294 1026 A
(ONE_SHOT)336 1362 A
(0200)168 2160 A
2370(/*)S
(set)126 2496 A
2664(if)S
(block)210 2790 A
(not)126 3042 A
(likely)252 3210 A
3504(to)S
3630(be)S
(needed)252 3756 A
(soon)168 4050 A
4260(*/)S
4860 V
(20159)210 648 A
4950 V
(20160)210 648 A
(#define)294 1026 A
(INODE_BLOCK)462 1362 A
2118((0)S
2244(+)S
(MAYBE_WRITE_IMMED))756 2328 A
3420(/*)S
(inode)210 3546 A
(block)210 3798 A
4050(*/)S
5040 V
(20161)210 648 A
(#define)294 1026 A
(DIRECTORY_BLOCK)630 1362 A
2118((1)S
2244(+)S
(MAYBE_WRITE_IMMED))756 2328 A
3420(/*)S
(directory)378 3546 A
(block)210 3966 A
4218(*/)S
5130 V
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(INDIRECT_BLOCK)588 1362 A
2118((2)S
2244(+)S
(MAYBE_WRITE_IMMED))756 2328 A
3420(/*)S
(pointer)294 3546 A
(block)210 3882 A
4134(*/)S
5220 V
(20163)210 648 A
(#define)294 1026 A
(MAP_BLOCK)378 1362 A
2118((3)S
2244(+)S
(MAYBE_WRITE_IMMED))756 2328 A
3420(/*)S
(bit)126 3546 A
(map)126 3714 A
3882(*/)S
5310 V
(20164)210 648 A
(#define)294 1026 A
(ZUPER_BLOCK)462 1362 A
2118((4)S
2244(+)S
(WRITE_IMMED)462 2328 A
2832(+)S
(ONE_SHOT))378 2916 A
3420(/*)S
(super)210 3546 A
(block)210 3798 A
4050(*/)S
5400 V
(20165)210 648 A
(#define)294 1026 A
(FULL_DATA_BLOCK)630 1362 A
2160(5)S
3420(/*)S
(data,)210 3546 A
(fully)210 3798 A
(used)168 4050 A
4260(*/)S
5490 V
(20166)210 648 A
(#define)294 1026 A
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2160(6)S
3420(/*)S
(data,)210 3546 A
(partly)252 3798 A
(used*/)252 4092 A
5580 V
(20167)210 648 A
5670 V
(20168)210 648 A
(#define)294 1026 A
(HASH_MASK)378 1362 A
((NR_BUF_HASH)504 1782 A
2328(-)S
2412(1))S
2706(/*)S
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630 V
10 R
648(MINIX)S
976(SOURCE)S
1399(CODE)S
11 R
2164(File:)S
2397(src/fs/dev.h)S
12 B
(277)180 4248 A
990 V
7 LST
(++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++)3528 648 A
1080 V
(src/fs/dev.h)504 2034 A
1170 V
(++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++)3528 648 A
1350 V
(20200)210 648 A
1026(/*)S
(Device)252 1152 A
(table.)252 1446 A
(This)168 1782 A
(table)210 1992 A
2244(is)S
(indexed)294 2370 A
2706(by)S
(major)210 2832 A
(device)252 3084 A
(number.)294 3378 A
3756(It)S
(provides)336 3882 A
1440 V
(20201)210 648 A
1068(*)S
(the)126 1152 A
(link)168 1320 A
(between)294 1530 A
(major)210 1866 A
(device)252 2118 A
(numbers)294 2412 A
(and)126 2748 A
(the)126 2916 A
(routines)336 3084 A
(that)168 3462 A
(process)294 3672 A
(them.)210 4008 A
1530 V
(20202)210 648 A
1068(*/)S
1620 V
(20203)210 648 A
1710 V
(20204)210 648 A
(typedef)294 1026 A
(_PROTOTYPE)420 1362 A
((void)210 1824 A
((*dmap_t),)420 2076 A
((int)168 2538 A
(task,)210 2748 A
(message)294 3000 A
(*m_ptr))294 3336 A
3672();)S
1800 V
(20205)210 648 A
1890 V
(20206)210 648 A
(extern)252 1026 A
(struct)252 1320 A
(dmap)168 1614 A
1824({)S
1980 V
(20207)210 648 A
(dmap_t)252 1110 A
(dmap_open;)420 1404 A
2070 V
(20208)210 648 A
(dmap_t)252 1110 A
(dmap_rw;)336 1404 A
2160 V
(20209)210 648 A
(dmap_t)252 1110 A
(dmap_close;)462 1404 A
2250 V
(20210)210 648 A
(int)126 1110 A
(dmap_task;)420 1278 A
2340 V
(20211)210 648 A
1026(})S
(dmap[];)294 1110 A
2430 V
(20212)210 648 A
2790 V
(++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++)3528 648 A
2880 V
(src/fs/file.h)546 2034 A
2970 V
(++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++)3528 648 A
3150 V
(20300)210 648 A
1026(/*)S
(This)168 1152 A
1362(is)S
(the)126 1488 A
(filp)168 1656 A
(table.)252 1866 A
2202(It)S
2328(is)S
2454(an)S
(intermediary)504 2580 A
(between)294 3126 A
(file)168 3462 A
(descriptors)462 3672 A
(and)126 4176 A
3240 V
(20301)210 648 A
1068(*)S
(inodes.)294 1152 A
1530(A)S
(slot)168 1614 A
1824(is)S
(free)168 1950 A
2160(if)S
(filp_count)420 2286 A
2748(==)S
2874(0.)S
3330 V
(20302)210 648 A
1068(*/)S
3420 V
(20303)210 648 A
3510 V
(20304)210 648 A
(EXTERN)252 1026 A
(struct)252 1320 A
(filp)168 1614 A
1824({)S
3600 V
(20305)210 648 A
(mode_t)252 1110 A
(filp_mode;)420 1404 A
2370(/*)S
2496(RW)S
(bits,)210 2622 A
(telling)294 2874 A
(how)126 3210 A
(file)168 3378 A
3588(is)S
(opened)252 3714 A
4008(*/)S
3690 V
(20306)210 648 A
(int)126 1110 A
(filp_flags;)462 1278 A
2370(/*)S
(flags)210 2496 A
(from)168 2748 A
(open)168 2958 A
(and)126 3168 A
(fcntl)210 3336 A
3588(*/)S
3780 V
(20307)210 648 A
(int)126 1110 A
(filp_count;)462 1278 A
2370(/*)S
(how)126 2496 A
(many)168 2664 A
(file)168 2874 A
(descriptors)462 3084 A
(share)210 3588 A
(this)168 3840 A
(slot?*/)294 4050 A
3870 V
(20308)210 648 A
(struct)252 1110 A
(inode)210 1404 A
(*filp_ino;)420 1656 A
2370(/*)S
(pointer)294 2496 A
2832(to)S
(the)126 2958 A
(inode)210 3126 A
3378(*/)S
3960 V
(20309)210 648 A
(off_t)210 1110 A
(filp_pos;)378 1362 A
2370(/*)S
(file)168 2496 A
(position)336 2706 A
3084(*/)S
4050 V
(20310)210 648 A
1026(})S
(filp[NR_FILPS];)630 1110 A
4140 V
(20311)210 648 A
4230 V
(20312)210 648 A
(#define)294 1026 A
(FILP_CLOSED)462 1362 A
2034(0)S
2370(/*)S
(filp_mode:)420 2496 A
(associated)420 2958 A
(device)252 3420 A
(closed)252 3714 A
4008(*/)S
4320 V
(20313)210 648 A
4410 V
(20314)210 648 A
(#define)294 1026 A
(NIL_FILP)336 1362 A
((struct)294 1740 A
(filp)168 2076 A
2286(*))S
2412(0)S
2706(/*)S
(indicates)378 2832 A
(absence)294 3252 A
3588(of)S
3714(a)S
(filp)168 3798 A
(slot)168 4008 A
4218(*/)S
5040 V
(++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++)3528 648 A
5130 V
(src/fs/lock.h)546 2034 A
5220 V
(++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++)3528 648 A
5400 V
(20400)210 648 A
1026(/*)S
(This)168 1152 A
1362(is)S
(the)126 1488 A
(file)168 1656 A
(locking)294 1866 A
(table.)252 2202 A
(Like)168 2538 A
(the)126 2748 A
(filp)168 2916 A
(table,)252 3126 A
3420(it)S
(points)252 3546 A
3840(to)S
(the)126 3966 A
5490 V
(20401)210 648 A
1068(*)S
(inode)210 1152 A
(table,)252 1404 A
(however,)336 1698 A
2076(in)S
(this)168 2202 A
(case)168 2412 A
2622(to)S
(achieve)294 2748 A
(advisory)336 3084 A
(locking.)336 3462 A
5580 V
(20402)210 648 A
1068(*/)S
5670 V
(20403)210 648 A
(EXTERN)252 1026 A
(struct)252 1320 A
(file_lock)378 1614 A
2034({)S
5760 V
(20404)210 648 A
(short)210 1110 A
(lock_type;)420 1362 A
2370(/*)S
(F_RDLOCK)336 2496 A
2874(or)S
(F_WRLOCK;)378 3000 A
3420(0)S
(means)210 3504 A
(unused)252 3756 A
(slot)168 4050 A
4260(*/)S
5850 V
(20405)210 648 A
(pid_t)210 1110 A
(lock_pid;)378 1362 A
2370(/*)S
(pid)126 2496 A
2664(of)S
(the)126 2790 A
(process)294 2958 A
(holding)294 3294 A
(the)126 3630 A
(lock)168 3798 A
4008(*/)S
5940 V
(20406)210 648 A
(struct)252 1110 A
(inode)210 1404 A
(*lock_inode;)504 1656 A
2370(/*)S
(pointer)294 2496 A
2832(to)S
(the)126 2958 A
(inode)210 3126 A
(locked)252 3378 A
3672(*/)S
6030 V
(20407)210 648 A
(off_t)210 1110 A
(lock_first;)462 1362 A
2370(/*)S
(offset)252 2496 A
2790(of)S
(first)210 2916 A
(byte)168 3168 A
(locked)252 3378 A
3672(*/)S
6120 V
(20408)210 648 A
(off_t)210 1110 A
(lock_last;)420 1362 A
2370(/*)S
(offset)252 2496 A
2790(of)S
(last)168 2916 A
(byte)168 3126 A
(locked)252 3336 A
3630(*/)S
6210 V
(20409)210 648 A
1026(})S
(file_lock[NR_LOCKS];)840 1110 A
8418 V
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12 B
(278)180 648 A
11 R
2121(File:)S
(src/fs/inode.h)601 2354 A
10 R
3402(MINIX)S
3730(SOURCE)S
4153(CODE)S
990 V
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1080 V
(src/fs/inode.h)588 2034 A
1170 V
(++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++)3528 648 A
1350 V
(20500)210 648 A
1026(/*)S
(Inode)210 1152 A
(table.)252 1404 A
(This)168 1740 A
(table)210 1950 A
(holds)210 2202 A
(inodes)252 2454 A
(that)168 2748 A
(are)126 2958 A
(currently)378 3126 A
3546(in)S
(use.)168 3672 A
3924(In)S
(some)168 4050 A
1440 V
(20501)210 648 A
1068(*)S
(cases)210 1152 A
(they)168 1404 A
(have)168 1614 A
(been)168 1824 A
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2328(by)S
2454(an)S
(open())252 2580 A
2874(or)S
(creat())294 3000 A
(system)252 3336 A
(call,)210 3630 A
3882(in)S
(other)210 4008 A
1530 V
(20502)210 648 A
1068(*)S
(cases)210 1152 A
(the)126 1404 A
(file)168 1572 A
(system)252 1782 A
(itself)252 2076 A
(needs)210 2370 A
(the)126 2622 A
(inode)210 2790 A
(for)126 3042 A
(one)126 3210 A
(reason)252 3378 A
3672(or)S
(another,)336 3798 A
1620 V
(20503)210 648 A
1068(*)S
(such)168 1152 A
1362(as)S
1488(to)S
(search)252 1614 A
1908(a)S
(directory)378 1992 A
(for)126 2412 A
2580(a)S
(path)168 2664 A
(name.)210 2874 A
1710 V
(20504)210 648 A
1068(*)S
(The)126 1152 A
(first)210 1320 A
(part)168 1572 A
1782(of)S
(the)126 1908 A
(struct)252 2076 A
(holds)210 2370 A
(fields)252 2622 A
(that)168 2916 A
(are)126 3126 A
(present)294 3294 A
3630(on)S
(the)126 3756 A
1800 V
(20505)210 648 A
1068(*)S
(disk;)210 1152 A
(the)126 1404 A
(second)252 1572 A
(part)168 1866 A
(holds)210 2076 A
(fields)252 2328 A
(not)126 2622 A
(present)294 2790 A
3126(on)S
(the)126 3252 A
(disk.)210 3420 A
1890 V
(20506)210 648 A
1068(*)S
(The)126 1152 A
(disk)168 1320 A
(inode)210 1530 A
(part)168 1782 A
1992(is)S
(also)168 2118 A
(declared)336 2328 A
2706(in)S
("type.h")336 2832 A
3210(as)S
('d1_inode')420 3336 A
(for)126 3798 A
3966(V1)S
1980 V
(20507)210 648 A
1068(*)S
(file)168 1152 A
(systems)294 1362 A
(and)126 1698 A
('d2_inode')420 1866 A
(for)126 2328 A
2496(V2)S
(file)168 2622 A
(systems.)336 2832 A
2070 V
(20508)210 648 A
1068(*/)S
2160 V
(20509)210 648 A
2250 V
(20510)210 648 A
(EXTERN)252 1026 A
(struct)252 1320 A
(inode)210 1614 A
1866({)S
2340 V
(20511)210 648 A
(mode_t)252 1110 A
(i_mode;)294 1404 A
2370(/*)S
(file)168 2496 A
(type,)210 2706 A
(protection,)462 2958 A
(etc.)168 3462 A
3672(*/)S
2430 V
(20512)210 648 A
(nlink_t)294 1110 A
(i_nlinks;)378 1446 A
2370(/*)S
(how)126 2496 A
(many)168 2664 A
(links)210 2874 A
3126(to)S
(this)168 3252 A
(file)168 3462 A
3672(*/)S
2520 V
(20513)210 648 A
(uid_t)210 1110 A
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2370(/*)S
(user)168 2496 A
2706(id)S
2832(of)S
(the)126 2958 A
(file's)252 3126 A
(owner)210 3420 A
3672(*/)S
2610 V
(20514)210 648 A
(gid_t)210 1110 A
(i_gid;)252 1362 A
2370(/*)S
(group)210 2496 A
(number)252 2748 A
3042(*/)S
2700 V
(20515)210 648 A
(off_t)210 1110 A
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2370(/*)S
(current)294 2496 A
(file)168 2832 A
(size)168 3042 A
3252(in)S
(bytes)210 3378 A
3630(*/)S
2790 V
(20516)210 648 A
(time_t)252 1110 A
(i_atime;)336 1404 A
2370(/*)S
(time)168 2496 A
2706(of)S
(last)168 2832 A
(access)252 3042 A
((V2)126 3336 A
(only))210 3504 A
3756(*/)S
2880 V
(20517)210 648 A
(time_t)252 1110 A
(i_mtime;)336 1404 A
2370(/*)S
(when)168 2496 A
(was)126 2706 A
(file)168 2874 A
(data)168 3084 A
(last)168 3294 A
(changed)294 3504 A
3840(*/)S
2970 V
(20518)210 648 A
(time_t)252 1110 A
(i_ctime;)336 1404 A
2370(/*)S
(when)168 2496 A
(was)126 2706 A
(inode)210 2874 A
(itself)252 3126 A
(changed)294 3420 A
((V2)126 3756 A
(only)*/)294 3924 A
3060 V
(20519)210 648 A
(zone_t)252 1110 A
(i_zone[V2_NR_TZONES];)882 1404 A
2370(/*)S
(zone)168 2496 A
(numbers)294 2706 A
(for)126 3042 A
(direct,)294 3210 A
(ind,)168 3546 A
(and)126 3756 A
(dbl)126 3924 A
(ind)126 4092 A
4260(*/)S
3150 V
(20520)210 648 A
3240 V
(20521)210 648 A
1110(/*)S
(The)126 1236 A
(following)378 1404 A
(items)210 1824 A
(are)126 2076 A
(not)126 2244 A
(present)294 2412 A
2748(on)S
(the)126 2874 A
(disk.)210 3042 A
3294(*/)S
3330 V
(20522)210 648 A
(dev_t)210 1110 A
(i_dev;)252 1362 A
2370(/*)S
(which)210 2496 A
(device)252 2748 A
3042(is)S
(the)126 3168 A
(inode)210 3336 A
3588(on)S
3714(*/)S
3420 V
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4260(*/)S
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3924(is)S
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(1-4)126 4050 A
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(and)126 1572 A
(directories.)504 1740 A
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1068(*)S
2070 V
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1866(#)S
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2160 V
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1068(*)S
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1950(1)S
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2244(is)S
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2664(to)S
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2790 V
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1068(*)S
2880 V
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1152(A)S
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1950(is)S
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2286(if)S
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2664(==)S
(NO_DEV.)294 2790 A
2970 V
(20718)210 648 A
1068(*/)S
3060 V
(20719)210 648 A
3150 V
(20720)210 648 A
3240 V
(20721)210 648 A
(EXTERN)252 1026 A
(struct)252 1320 A
(super_block)462 1614 A
2118({)S
3330 V
(20722)210 648 A
(ino_t)210 1110 A
(s_ninodes;)420 1362 A
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2496(#)S
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3168(on)S
(the)126 3294 A
(minor)210 3462 A
(device)252 3714 A
4008(*/)S
3420 V
(20723)210 648 A
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(s_nzones;)378 1488 A
2370(/*)S
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(size,)210 3042 A
(including)378 3294 A
(bit)126 3714 A
(maps)168 3882 A
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4260(*/)S
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2370(/*)S
2496(#)S
2580(of)S
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3924(*/)S
3600 V
(20725)210 648 A
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2370(/*)S
2496(#)S
2580(of)S
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3210(by)S
(zone)168 3336 A
(bit)126 3546 A
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3882(*/)S
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2370(/*)S
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3336(*/)S
3870 V
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2370(/*)S
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4134(*/)S
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2370(/*)S
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4260(*/)S
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4320 V
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1110(/*)S
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(used)168 2454 A
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(the)126 2874 A
(super_block)462 3042 A
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3672(in)S
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4134(*/)S
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(struct)252 1110 A
(inode)210 1404 A
(*s_isup;)336 1656 A
2370(/*)S
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(for)126 2748 A
(root)168 2916 A
(dir)126 3126 A
3294(of)S
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(file)168 3756 A
(sys)126 3966 A
4134(*/)S
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(*s_imount;)420 1656 A
2370(/*)S
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(mounted)294 2748 A
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2370(/*)S
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2370(/*)S
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2790(1)S
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(sys)126 3252 A
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2790(1)S
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5040 V
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2496(#)S
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2496(#)S
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2370(/*)S
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(this)168 3168 A
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5400 V
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1026(})S
(super_block[NR_SUPERS];)966 1110 A
5490 V
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5580 V
(20747)210 648 A
(#define)294 1026 A
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(super_block)462 2118 A
2622(*))S
2748(0)S
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2370(/*)S
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(map)126 3630 A
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2370(/*)S
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2916(on)S
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8418 V
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10 R
648(MINIX)S
976(SOURCE)S
1399(CODE)S
11 R
2138(File:)S
2371(src/fs/table.c)S
12 B
(281)180 4248 A
990 V
7 LST
(++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++)3528 648 A
1080 V
(src/fs/table.c)588 2034 A
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1350 V
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(This)168 1152 A
(file)168 1362 A
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(the)126 1950 A
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(map)126 2706 A
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1440 V
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(routines)336 1152 A
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1620 V
(20803)210 648 A
1710 V
(20804)210 648 A
(#define)294 1026 A
(_TABLE)252 1362 A
1800 V
(20805)210 648 A
1890 V
(20806)210 648 A
(#include)336 1026 A
("fs.h")252 1404 A
1980 V
(20807)210 648 A
(#include)336 1026 A
(<minix/callnr.h>)672 1404 A
2070 V
(20808)210 648 A
(#include)336 1026 A
(<minix/com.h>)546 1404 A
2160 V
(20809)210 648 A
(#include)336 1026 A
("buf.h")294 1404 A
2250 V
(20810)210 648 A
(#include)336 1026 A
("dev.h")294 1404 A
2340 V
(20811)210 648 A
(#include)336 1026 A
("file.h")336 1404 A
2430 V
(20812)210 648 A
(#include)336 1026 A
("fproc.h")378 1404 A
2520 V
(20813)210 648 A
(#include)336 1026 A
("inode.h")378 1404 A
2610 V
(20814)210 648 A
(#include)336 1026 A
("lock.h")336 1404 A
2700 V
(20815)210 648 A
(#include)336 1026 A
("super.h")378 1404 A
2790 V
(20816)210 648 A
2880 V
(20817)210 648 A
(PUBLIC)252 1026 A
(_PROTOTYPE)420 1320 A
((int)168 1782 A
((*call_vector[NCALLS]),)966 1992 A
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3378(=)S
3462({)S
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(no_sys,)294 1362 A
2034(/*)S
2202(0)S
2286(=)S
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2706(*/)S
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(do_exit,)336 1362 A
2034(/*)S
2202(1)S
2286(=)S
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(do_fork,)336 1362 A
2034(/*)S
2202(2)S
2286(=)S
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2034(/*)S
2202(3)S
2286(=)S
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2706(*/)S
3330 V
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2286(=)S
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2286(=)S
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2286(=)S
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2286(=)S
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2202(8)S
2286(=)S
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2286(=)S
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2286(=)S
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2286(=)S
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2286(=)S
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2286(=)S
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2286(=)S
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2286(=)S
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12 B
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11 R
2138(File:)S
2371(src/fs/table.c)S
10 R
3402(MINIX)S
3730(SOURCE)S
4153(CODE)S
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