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BOOK.PS：源码内容

1152(*/)S
2610 V
(26024)210 648 A
1110(if)S
((fetch_name(name1,)756 1236 A
(name1_length,)546 2034 A
(M1))126 2622 A
2790(!=)S
(OK))126 2916 A
(return(err_code);)714 3084 A
2700 V
(26025)210 648 A
1110(if)S
1236(()S
((rip)168 1320 A
1530(=)S
(eat_path(user_path)))840 1614 A
2496(==)S
(NIL_INODE))420 2622 A
(return(err_code);)714 3084 A
2790 V
(26026)210 648 A
1110(r)S
1194(=)S
(stat_inode(rip,)630 1278 A
(NIL_FILP,)378 1950 A
(name2);)294 2370 A
2706(/*)S
(actually)336 2832 A
3210(do)S
(the)126 3336 A
(work.*/)294 3504 A
2880 V
(26027)210 648 A
(put_inode(rip);)630 1110 A
2370(/*)S
(release)294 2496 A
(the)126 2832 A
(inode)210 3000 A
3252(*/)S
2970 V
(26028)210 648 A
(return(r);)420 1110 A
3060 V
(26029)210 648 A
1026(})S
3330 V
(26032)210 648 A
(/*===========================================================================*)3276 1026 A
3420 V
(26033)210 648 A
1068(*)S
(do_fstat)336 2370 A
4260(*)S
3510 V
(26034)210 648 A
(*===========================================================================*/)3276 1068 A
3600 V
(26035)210 648 A
(PUBLIC)252 1026 A
(int)126 1320 A
(do_fstat())420 1488 A
3690 V
(26036)210 648 A
1026({)S
3780 V
(26037)210 648 A
1026(/*)S
(Perform)294 1152 A
(the)126 1488 A
(fstat(fd,)378 1656 A
(buf))168 2076 A
(system)252 2286 A
(call.)210 2580 A
2832(*/)S
3870 V
(26038)210 648 A
3960 V
(26039)210 648 A
(register)336 1110 A
(struct)252 1488 A
(filp)168 1782 A
(*rfilp;)294 1992 A
4050 V
(26040)210 648 A
4140 V
(26041)210 648 A
1110(/*)S
1236(Is)S
(the)126 1362 A
(file)168 1530 A
(descriptor)420 1740 A
(valid?)252 2202 A
2496(*/)S
4230 V
(26042)210 648 A
1110(if)S
1236(()S
((rfilp)252 1320 A
1614(=)S
(get_filp(fd)))546 1698 A
2286(==)S
(NIL_FILP))378 2412 A
(return(err_code);)714 2832 A
4320 V
(26043)210 648 A
4410 V
(26044)210 648 A
(return(stat_inode(rfilp->filp_ino,)1428 1110 A
(rfilp,)252 2580 A
(buffer));)378 2874 A
4500 V
(26045)210 648 A
1026(})S
4770 V
(26048)210 648 A
(/*===========================================================================*)3276 1026 A
4860 V
(26049)210 648 A
1068(*)S
(stat_inode)420 2370 A
4260(*)S
4950 V
(26050)210 648 A
(*===========================================================================*/)3276 1068 A
5040 V
(26051)210 648 A
(PRIVATE)294 1026 A
(int)126 1362 A
(stat_inode(rip,)630 1530 A
(fil_ptr,)336 2202 A
(user_addr))420 2580 A
5130 V
(26052)210 648 A
(register)336 1026 A
(struct)252 1404 A
(inode)210 1698 A
(*rip;)210 1950 A
2370(/*)S
(pointer)294 2496 A
2832(to)S
(inode)210 2958 A
3210(to)S
(stat)168 3336 A
3546(*/)S
5220 V
(26053)210 648 A
(struct)252 1026 A
(filp)168 1320 A
(*fil_ptr;)378 1530 A
2370(/*)S
(filp)168 2496 A
(pointer,)336 2706 A
(supplied)336 3084 A
3462(by)S
('fstat')294 3588 A
3924(*/)S
5310 V
(26054)210 648 A
(char)168 1026 A
(*user_addr;)462 1236 A
2370(/*)S
(user)168 2496 A
(space)210 2706 A
(address)294 2958 A
(where)210 3294 A
(stat)168 3546 A
(buf)126 3756 A
(goes)168 3924 A
4134(*/)S
5400 V
(26055)210 648 A
1026({)S
5490 V
(26056)210 648 A
1026(/*)S
(Common)252 1152 A
(code)168 1446 A
(for)126 1656 A
(stat)168 1824 A
(and)126 2034 A
(fstat)210 2202 A
(system)252 2454 A
(calls.)252 2748 A
3042(*/)S
5580 V
(26057)210 648 A
5670 V
(26058)210 648 A
(struct)252 1110 A
(stat)168 1404 A
(statbuf;)336 1614 A
5760 V
(26059)210 648 A
(mode_t)252 1110 A
(mo;)126 1404 A
5850 V
(26060)210 648 A
(int)126 1110 A
1278(r,)S
1404(s;)S
5940 V
(26061)210 648 A
6030 V
(26062)210 648 A
1110(/*)S
(Update)252 1236 A
(the)126 1530 A
(atime,)252 1698 A
(ctime,)252 1992 A
(and)126 2286 A
(mtime)210 2454 A
(fields)252 2706 A
3000(in)S
(the)126 3126 A
(inode,)252 3294 A
3588(if)S
(need)168 3714 A
(be.)126 3924 A
4092(*/)S
6120 V
(26063)210 648 A
1110(if)S
((rip->i_update))630 1236 A
(update_times(rip);)756 1908 A
6210 V
(26064)210 648 A
8418 V
EP
%%Page: 360 360
BP
/slant 0 def
/height 0 def
630 V
12 B
(360)180 648 A
11 R
2123(File:)S
2356(src/fs/stadir.c)S
10 R
3402(MINIX)S
3730(SOURCE)S
4153(CODE)S
900 V
7 LST
(26065)210 648 A
1110(/*)S
(Fill)168 1236 A
1446(in)S
(the)126 1572 A
(statbuf)294 1740 A
(struct.)294 2076 A
2412(*/)S
990 V
(26066)210 648 A
1110(mo)S
1236(=)S
(rip->i_mode)462 1320 A
1824(&)S
(I_TYPE;)294 1908 A
1080 V
(26067)210 648 A
1110(s)S
1194(=)S
((mo)126 1278 A
1446(==)S
(I_CHAR_SPECIAL)588 1572 A
2202(||)S
2328(mo)S
2454(==)S
(I_BLOCK_SPECIAL);)714 2580 A
3378(/*)S
(true)168 3504 A
(iff)126 3714 A
(special)294 3882 A
4218(*/)S
1170 V
(26068)210 648 A
(statbuf.st_dev)588 1110 A
1740(=)S
(rip->i_dev;)462 1824 A
1260 V
(26069)210 648 A
(statbuf.st_ino)588 1110 A
1740(=)S
(rip->i_num;)462 1824 A
1350 V
(26070)210 648 A
(statbuf.st_mode)630 1110 A
1782(=)S
(rip->i_mode;)504 1866 A
1440 V
(26071)210 648 A
(statbuf.st_nlink)672 1110 A
1824(=)S
(rip->i_nlinks)546 1908 A
2496(&)S
(BYTE;)210 2580 A
1530 V
(26072)210 648 A
(statbuf.st_uid)588 1110 A
1740(=)S
(rip->i_uid;)462 1824 A
1620 V
(26073)210 648 A
(statbuf.st_gid)588 1110 A
1740(=)S
(rip->i_gid)420 1824 A
2286(&)S
(BYTE;)210 2370 A
1710 V
(26074)210 648 A
(statbuf.st_rdev)630 1110 A
1782(=)S
((dev_t))294 1866 A
2202((s)S
2328(?)S
(rip->i_zone[0])588 2412 A
3042(:)S
(NO_DEV);)336 3126 A
1800 V
(26075)210 648 A
(statbuf.st_size)630 1110 A
1782(=)S
(rip->i_size;)504 1866 A
1890 V
(26076)210 648 A
1980 V
(26077)210 648 A
1110(if)S
((rip->i_pipe)504 1236 A
1782(==)S
(I_PIPE))294 1908 A
2244({)S
2070 V
(26078)210 648 A
(statbuf.st_mode)630 1362 A
2034(&=)S
(304I_REGULAR;)462 2160 A
2706(/*)S
(wipe)168 2832 A
(out)126 3042 A
(I_REGULAR)378 3210 A
(bit)126 3630 A
(for)126 3798 A
(pipes)210 3966 A
4218(*/)S
2160 V
(26079)210 648 A
1362(if)S
((fil_ptr)336 1488 A
1866(!=)S
(NIL_FILP)336 1992 A
2370(&&)S
(fil_ptr->filp_mode)756 2496 A
3294(&)S
(R_BIT))252 3378 A
2250 V
(26080)210 648 A
(statbuf.st_size)630 1698 A
2370(-=)S
(fil_ptr->filp_pos;)756 2496 A
2340 V
(26081)210 648 A
1110(})S
2430 V
(26082)210 648 A
2520 V
(26083)210 648 A
(statbuf.st_atime)672 1110 A
1824(=)S
(rip->i_atime;)546 1908 A
2610 V
(26084)210 648 A
(statbuf.st_mtime)672 1110 A
1824(=)S
(rip->i_mtime;)546 1908 A
2700 V
(26085)210 648 A
(statbuf.st_ctime)672 1110 A
1824(=)S
(rip->i_ctime;)546 1908 A
2790 V
(26086)210 648 A
2880 V
(26087)210 648 A
1110(/*)S
(Copy)168 1236 A
(the)126 1446 A
(struct)252 1614 A
1908(to)S
(user)168 2034 A
(space.)252 2244 A
2538(*/)S
2970 V
(26088)210 648 A
1110(r)S
1194(=)S
(sys_copy(FS_PROC_NR,)840 1278 A
2160(D,)S
((phys_bytes))504 2286 A
(&statbuf,)378 2832 A
3060 V
(26089)210 648 A
(who,)168 1698 A
1908(D,)S
((phys_bytes))504 2034 A
(user_addr,)420 2580 A
((phys_bytes))504 3042 A
(sizeof(statbuf));)714 3588 A
3150 V
(26090)210 648 A
(return(r);)420 1110 A
3240 V
(26091)210 648 A
1026(})S
3690 V
(++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++)3528 648 A
3780 V
(src/fs/protect.c)672 2034 A
3870 V
(++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++)3528 648 A
4050 V
(26100)210 648 A
1026(/*)S
(This)168 1152 A
(file)168 1362 A
(deals)210 1572 A
(with)168 1824 A
(protection)420 2034 A
2496(in)S
(the)126 2622 A
(file)168 2790 A
(system.)294 3000 A
3378(It)S
(contains)336 3504 A
(the)126 3882 A
(code)168 4050 A
4140 V
(26101)210 648 A
1068(*)S
(for)126 1152 A
(four)168 1320 A
(system)252 1530 A
(calls)210 1824 A
(that)168 2076 A
(relate)252 2286 A
2580(to)S
(protection.)462 2706 A
4230 V
(26102)210 648 A
1068(*)S
4320 V
(26103)210 648 A
1068(*)S
(The)126 1152 A
(entry)210 1320 A
(points)252 1572 A
(into)168 1866 A
(this)168 2076 A
(file)168 2286 A
(are)126 2496 A
4410 V
(26104)210 648 A
1068(*)S
(do_chmod:)378 1236 A
(perform)294 1698 A
(the)126 2034 A
(CHMOD)210 2202 A
(system)252 2454 A
(call)168 2748 A
4500 V
(26105)210 648 A
1068(*)S
(do_chown:)378 1236 A
(perform)294 1698 A
(the)126 2034 A
(CHOWN)210 2202 A
(system)252 2454 A
(call)168 2748 A
4590 V
(26106)210 648 A
1068(*)S
(do_umask:)378 1236 A
(perform)294 1698 A
(the)126 2034 A
(UMASK)210 2202 A
(system)252 2454 A
(call)168 2748 A
4680 V
(26107)210 648 A
1068(*)S
(do_access:)420 1236 A
(perform)294 1698 A
(the)126 2034 A
(ACCESS)252 2202 A
(system)252 2496 A
(call)168 2790 A
4770 V
(26108)210 648 A
1068(*)S
(forbidden:)420 1236 A
(check)210 1698 A
1950(to)S
(see)126 2076 A
2244(if)S
2370(a)S
(given)210 2454 A
(access)252 2706 A
3000(is)S
(allowed)294 3126 A
3462(on)S
3588(a)S
(given)210 3672 A
(inode)210 3924 A
4860 V
(26109)210 648 A
1068(*/)S
4950 V
(26110)210 648 A
5040 V
(26111)210 648 A
(#include)336 1026 A
("fs.h")252 1404 A
5130 V
(26112)210 648 A
(#include)336 1026 A
(<unistd.h>)420 1404 A
5220 V
(26113)210 648 A
(#include)336 1026 A
(<minix/callnr.h>)672 1404 A
5310 V
(26114)210 648 A
(#include)336 1026 A
("buf.h")294 1404 A
5400 V
(26115)210 648 A
(#include)336 1026 A
("file.h")336 1404 A
5490 V
(26116)210 648 A
(#include)336 1026 A
("fproc.h")378 1404 A
5580 V
(26117)210 648 A
(#include)336 1026 A
("inode.h")378 1404 A
5670 V
(26118)210 648 A
(#include)336 1026 A
("param.h")378 1404 A
5760 V
(26119)210 648 A
(#include)336 1026 A
("super.h")378 1404 A
5850 V
(26120)210 648 A
5940 V
(26121)210 648 A
(/*===========================================================================*)3276 1026 A
6030 V
(26122)210 648 A
1068(*)S
(do_chmod)336 2370 A
4260(*)S
6120 V
(26123)210 648 A
(*===========================================================================*/)3276 1068 A
6210 V
(26124)210 648 A
(PUBLIC)252 1026 A
(int)126 1320 A
(do_chmod())420 1488 A
8418 V
EP
%%Page: 361 361
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/fs/protect.c)S
12 B
(361)180 4248 A
900 V
7 LST
(26125)210 648 A
1026({)S
990 V
(26126)210 648 A
1026(/*)S
(Perform)294 1152 A
(the)126 1488 A
(chmod(name,)462 1656 A
(mode))210 2160 A
(system)252 2412 A
(call.)210 2706 A
2958(*/)S
1080 V
(26127)210 648 A
1170 V
(26128)210 648 A
(register)336 1110 A
(struct)252 1488 A
(inode)210 1782 A
(*rip;)210 2034 A
1260 V
(26129)210 648 A
(register)336 1110 A
(int)126 1488 A
1656(r;)S
1350 V
(26130)210 648 A
1440 V
(26131)210 648 A
1110(/*)S
(Temporarily)462 1236 A
(open)168 1740 A
(the)126 1950 A
(file.)210 2118 A
2370(*/)S
1530 V
(26132)210 648 A
1110(if)S
((fetch_name(name,)714 1236 A
(name_length,)504 1992 A
(M3))126 2538 A
2706(!=)S
(OK))126 2832 A
(return(err_code);)714 3000 A
1620 V
(26133)210 648 A
1110(if)S
1236(()S
((rip)168 1320 A
1530(=)S
(eat_path(user_path)))840 1614 A
2496(==)S
(NIL_INODE))420 2622 A
(return(err_code);)714 3084 A
1710 V
(26134)210 648 A
1800 V
(26135)210 648 A
1110(/*)S
(Only)168 1236 A
(the)126 1446 A
(owner)210 1614 A
1866(or)S
(the)126 1992 A
(super_user)420 2160 A
(may)126 2622 A
(change)252 2790 A
(the)126 3084 A
(mode)168 3252 A
3462(of)S
3588(a)S
(file.)210 3672 A
1890 V
(26136)210 648 A
1152(*)S
1236(No)S
(one)126 1362 A
(may)126 1530 A
(change)252 1698 A
(the)126 1992 A
(mode)168 2160 A
2370(of)S
2496(a)S
(file)168 2580 A
2790(on)S
2916(a)S
(read-only)378 3000 A
(file)168 3420 A
(system.)294 3630 A
1980 V
(26137)210 648 A
1152(*/)S
2070 V
(26138)210 648 A
1110(if)S
((rip->i_uid)462 1236 A
1740(!=)S
(fp->fp_effuid)546 1866 A
2454(&&)S
(!super_user))504 2580 A
2160 V
(26139)210 648 A
1362(r)S
1446(=)S
(EPERM;)252 1530 A
2250 V
(26140)210 648 A
(else)168 1110 A
2340 V
(26141)210 648 A
1362(r)S
1446(=)S
(read_only(rip);)630 1530 A
2430 V
(26142)210 648 A
2520 V
(26143)210 648 A
1110(/*)S
1236(If)S
(error,)252 1362 A
(return)252 1656 A
(inode.)252 1950 A
2244(*/)S
2610 V
(26144)210 648 A
1110(if)S
1236((r)S
1362(!=)S
(OK))126 1488 A
1698({)S
2700 V
(26145)210 648 A
(put_inode(rip);)630 1362 A
2790 V
(26146)210 648 A
(return(r);)420 1362 A
2880 V
(26147)210 648 A
1110(})S
2970 V
(26148)210 648 A
3060 V
(26149)210 648 A
1110(/*)S
(Now)126 1236 A
(make)168 1404 A
(the)126 1614 A
(change.)294 1782 A
(Clear)210 2118 A
(setgid)252 2370 A
(bit)126 2664 A
2832(if)S
(file)168 2958 A
3168(is)S
(not)126 3294 A
3462(in)S
(caller's)336 3588 A
(grp)126 3966 A
4134(*/)S
3150 V
(26150)210 648 A
(rip->i_mode)462 1110 A
1614(=)S
((rip->i_mode)504 1698 A
2244(&)S
(304ALL_MODES))462 2328 A
2832(|)S
((mode)210 2916 A
3168(&)S
(ALL_MODES);)462 3252 A
3240 V
(26151)210 648 A
1110(if)S
((!super_user)504 1236 A
1782(&&)S
(rip->i_gid)420 1908 A
2370(!=)S
(fp->fp_effgid)rip->i_mode)1050 2496 A
3588(&=)S
(304I_SET_GID_BIT;)630 3714 A
3330 V
(26152)210 648 A
(rip->i_update)546 1110 A
1698(|=)S
(CTIME;)252 1824 A
3420 V
(26153)210 648 A
(rip->i_dirt)462 1110 A
1614(=)S
(DIRTY;)252 1698 A
3510 V
(26154)210 648 A
3600 V
(26155)210 648 A
(put_inode(rip);)630 1110 A
3690 V
(26156)210 648 A
(return(OK);)462 1110 A
3780 V
(26157)210 648 A
1026(})S
4050 V
(26160)210 648 A
(/*===========================================================================*)3276 1026 A
4140 V
(26161)210 648 A
1068(*)S
(do_chown)336 2370 A
4260(*)S
4230 V
(26162)210 648 A
(*===========================================================================*/)3276 1068 A
4320 V
(26163)210 648 A
(PUBLIC)252 1026 A
(int)126 1320 A
(do_chown())420 1488 A
4410 V
(26164)210 648 A
1026({)S
4500 V
(26165)210 648 A
1026(/*)S
(Perform)294 1152 A
(the)126 1488 A
(chown(name,)462 1656 A
(owner,)252 2160 A
(group))252 2454 A
(system)252 2748 A
(call.)210 3042 A
3294(*/)S
4590 V
(26166)210 648 A
4680 V
(26167)210 648 A
(register)336 1110 A
(struct)252 1488 A
(inode)210 1782 A
(*rip;)210 2034 A
4770 V
(26168)210 648 A
(register)336 1110 A
(int)126 1488 A
1656(r;)S
4860 V
(26169)210 648 A
4950 V
(26170)210 648 A
1110(/*)S
(Temporarily)462 1236 A
(open)168 1740 A
(the)126 1950 A
(file.)210 2118 A
2370(*/)S
5040 V
(26171)210 648 A
1110(if)S
((fetch_name(name1,)756 1236 A
(name1_length,)546 2034 A
(M1))126 2622 A
2790(!=)S
(OK))126 2916 A
(return(err_code);)714 3084 A
5130 V
(26172)210 648 A
1110(if)S
1236(()S
((rip)168 1320 A
1530(=)S
(eat_path(user_path)))840 1614 A
2496(==)S
(NIL_INODE))420 2622 A
(return(err_code);)714 3084 A
5220 V
(26173)210 648 A
5310 V
(26174)210 648 A
1110(/*)S
(Not)126 1236 A
(permitted)378 1404 A
1824(to)S
(change)252 1950 A
(the)126 2244 A
(owner)210 2412 A
2664(of)S
2790(a)S
(file)168 2874 A
3084(on)S
3210(a)S
(read-only)378 3294 A
(file)168 3714 A
(sys.)168 3924 A
4134(*/)S
5400 V
(26175)210 648 A
1110(r)S
1194(=)S
(read_only(rip);)630 1278 A
5490 V
(26176)210 648 A
1110(if)S
1236((r)S
1362(==)S
(OK))126 1488 A
1656({)S
5580 V
(26177)210 648 A
1362(/*)S
1488(FS)S
1614(is)S
(R/W.)168 1740 A
(Whether)294 1992 A
(call)168 2328 A
2538(is)S
(allowed)294 2664 A
(depends)294 3000 A
3336(on)S
(ownership,)420 3462 A
(etc.)168 3924 A
4134(*/)S
5670 V
(26178)210 648 A
1362(if)S
((super_user))504 1488 A
2034({)S
5760 V
(26179)210 648 A
1698(/*)S
(The)126 1824 A
(super)210 1992 A
(user)168 2244 A
(can)126 2454 A
2622(do)S
(anything.)378 2748 A
3168(*/)S
5850 V
(26180)210 648 A
(rip->i_uid)420 1698 A
2160(=)S
(owner;)252 2244 A
2706(/*)S
(others)252 2832 A
(later)210 3126 A
3378(*/)S
5940 V
(26181)210 648 A
1362(})S
(else)168 1446 A
1656({)S
6030 V
(26182)210 648 A
1698(/*)S
(Regular)294 1824 A
(users)210 2160 A
(can)126 2412 A
(only)168 2580 A
(change)252 2790 A
(groups)252 3084 A
3378(of)S
(their)210 3504 A
(own)126 3756 A
(files.)252 3924 A
4218(*/)S
6120 V
(26183)210 648 A
1698(if)S
((rip->i_uid)462 1824 A
2328(!=)S
(fp->fp_effuid))588 2454 A
3084(r)S
3168(=)S
(EPERM;)252 3252 A
6210 V
(26184)210 648 A
1698(if)S
((rip->i_uid)462 1824 A
2328(!=)S
(owner))252 2454 A
2748(r)S
2832(=)S
(EPERM;)252 2916 A
3378(/*)S
3504(no)S
(giving)252 3630 A
(away)168 3924 A
4134(*/)S
8418 V
EP
%%Page: 362 362
BP
/slant 0 def
/height 0 def
630 V
12 B
(362)180 648 A
11 R
2092(File:)S
2325(src/fs/protect.c)S
10 R
3402(MINIX)S
3730(SOURCE)S
4153(CODE)S
900 V
7 LST
(26185)210 648 A
1698(if)S
((fp->fp_effgid)588 1824 A
2454(!=)S
(group))252 2580 A
2874(r)S
2958(=)S
(EPERM;)252 3042 A
990 V
(26186)210 648 A
1362(})S
1080 V
(26187)210 648 A
1110(})S
1170 V
(26188)210 648 A
1110(if)S
1236((r)S
1362(==)S
(OK))126 1488 A
1656({)S
1260 V
(26189)210 648 A
(rip->i_gid)420 1362 A
1824(=)S
(group;)252 1908 A
1350 V
(26190)210 648 A
(rip->i_mode)462 1362 A
1866(&=)S
(304(I_SET_UID_BIT)630 1992 A
2664(|)S
(I_SET_GID_BIT);)630 2748 A
1440 V
(26191)210 648 A
(rip->i_update)546 1362 A
1950(|=)S
(CTIME;)252 2076 A
1530 V
(26192)210 648 A
(rip->i_dirt)462 1362 A
1866(=)S
(DIRTY;)252 1950 A
1620 V
(26193)210 648 A
1110(})S
1710 V
(26194)210 648 A
1800 V
(26195)210 648 A
(put_inode(rip);)630 1110 A
1890 V
(26196)210 648 A
(return(r);)420 1110 A
1980 V
(26197)210 648 A
1026(})S
2250 V
(26200)210 648 A
(/*===========================================================================*)3276 1026 A
2340 V
(26201)210 648 A
1068(*)S
(do_umask)336 2370 A
4260(*)S
2430 V
(26202)210 648 A
(*===========================================================================*/)3276 1068 A
2520 V
(26203)210 648 A
(PUBLIC)252 1026 A
(int)126 1320 A
(do_umask())420 1488 A
2610 V
(26204)210 648 A
1026({)S
2700 V
(26205)210 648 A
1026(/*)S
(Perform)294 1152 A
(the)126 1488 A
(umask(co_mode))588 1656 A
(system)252 2286 A
(call.)210 2580 A
2832(*/)S
2790 V
(26206)210 648 A
(register)336 1110 A
(mode_t)252 1488 A
1782(r;)S
2880 V
(26207)210 648 A
2970 V
(26208)210 648 A
1110(r)S
1194(=)S
(304fp->fp_umask;)588 1278 A
2370(/*)S
(set)126 2496 A
('r')126 2664 A
2832(to)S
(complement)420 2958 A
3420(of)S
(old)126 3546 A
(mask)168 3714 A
3924(*/)S
3060 V
(26209)210 648 A
(fp->fp_umask)504 1110 A
1656(=)S
(304(co_mode)378 1740 A
2160(&)S
(RWX_MODES);)462 2244 A
3150 V
(26210)210 648 A
(return(r);)420 1110 A
2370(/*)S
(return)252 2496 A
(complement)420 2790 A
3252(of)S
(old)126 3378 A
(mask)168 3546 A
3756(*/)S
3240 V
(26211)210 648 A
1026(})S
3510 V
(26214)210 648 A
(/*===========================================================================*)3276 1026 A
3600 V
(26215)210 648 A
1068(*)S
(do_access)378 2370 A
4260(*)S
3690 V
(26216)210 648 A
(*===========================================================================*/)3276 1068 A
3780 V
(26217)210 648 A
(PUBLIC)252 1026 A
(int)126 1320 A
(do_access())462 1488 A
3870 V
(26218)210 648 A
1026({)S
3960 V
(26219)210 648 A
1026(/*)S
(Perform)294 1152 A
(the)126 1488 A
(access(name,)504 1656 A
(mode))210 2202 A
(system)252 2454 A
(call.)210 2748 A
3000(*/)S
4050 V
(26220)210 648 A
4140 V
(26221)210 648 A
(struct)252 1110 A
(inode)210 1404 A
(*rip;)210 1656 A
4230 V
(26222)210 648 A
(register)336 1110 A
(int)126 1488 A
1656(r;)S
4320 V
(26223)210 648 A
4410 V
(26224)210 648 A
1110(/*)S
(First)210 1236 A
(check)210 1488 A
1740(to)S
(see)126 1866 A
2034(if)S
(the)126 2160 A
(mode)168 2328 A
2538(is)S
(correct.)336 2664 A
3042(*/)S
4500 V
(26225)210 648 A
1110(if)S
1236(()S
((mode)210 1320 A
1572(&)S
(304(R_OK)252 1656 A
1950(|)S
(W_OK)168 2034 A
2244(|)S
(X_OK)))252 2328 A
2622(!=)S
2748(0)S
2832(&&)S
(mode)168 2958 A
3168(!=)S
(F_OK))210 3294 A
4590 V
(26226)210 648 A
(return(EINVAL);)630 1362 A
4680 V
(26227)210 648 A
4770 V
(26228)210 648 A
1110(/*)S
(Temporarily)462 1236 A
(open)168 1740 A
(the)126 1950 A
(file)168 2118 A
(whose)210 2328 A
(access)252 2580 A
2874(is)S
3000(to)S
3126(be)S
(checked.)336 3252 A
3630(*/)S
4860 V
(26229)210 648 A
1110(if)S
((fetch_name(name,)714 1236 A
(name_length,)504 1992 A
(M3))126 2538 A
2706(!=)S
(OK))126 2832 A
(return(err_code);)714 3000 A
4950 V
(26230)210 648 A
1110(if)S
1236(()S
((rip)168 1320 A
1530(=)S
(eat_path(user_path)))840 1614 A
2496(==)S
(NIL_INODE))420 2622 A
(return(err_code);)714 3084 A
5040 V
(26231)210 648 A
5130 V
(26232)210 648 A
1110(/*)S
(Now)126 1236 A
(check)210 1404 A
(the)126 1656 A
(permissions.)504 1824 A
2370(*/)S
5220 V
(26233)210 648 A
1110(r)S
1194(=)S
(forbidden(rip,)588 1278 A
((mode_t))336 1908 A
(mode);)252 2286 A
5310 V
(26234)210 648 A
(put_inode(rip);)630 1110 A
5400 V
(26235)210 648 A
(return(r);)420 1110 A
5490 V
(26236)210 648 A
1026(})S
5760 V
(26239)210 648 A
(/*===========================================================================*)3276 1026 A
5850 V
(26240)210 648 A
1068(*)S
(forbidden)378 2370 A
4260(*)S
5940 V
(26241)210 648 A
(*===========================================================================*/)3276 1068 A
6030 V
(26242)210 648 A
(PUBLIC)252 1026 A
(int)126 1320 A
(forbidden(rip,)588 1488 A
(access_desired))630 2118 A
6120 V
(26243)210 648 A
(register)336 1026 A
(struct)252 1404 A
(inode)210 1698 A
(*rip;)210 1950 A
2370(/*)S
(pointer)294 2496 A
2832(to)S
(inode)210 2958 A
3210(to)S
3336(be)S
(checked)294 3462 A
3798(*/)S
6210 V
(26244)210 648 A
(mode_t)252 1026 A
(access_desired;)630 1320 A
2034(/*)S
(RWX)126 2160 A
(bits)168 2328 A
2538(*/)S
8418 V
EP
%%Page: 363 363
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/fs/protect.c)S
12 B
(363)180 4248 A
900 V
7 LST
(26245)210 648 A
1026({)S
990 V
(26246)210 648 A
1026(/*)S
(Given)210 1152 A
1404(a)S
(pointer)294 1488 A
1824(to)S
1950(an)S
(inode,)252 2076 A
('rip',)252 2370 A
(and)126 2664 A
(the)126 2832 A
(access)252 3000 A
(desired,)336 3294 A
(determine)378 3672 A
1080 V
(26247)210 648 A
1068(*)S
1152(if)S
(the)126 1278 A
(access)252 1446 A
1740(is)S
(allowed,)336 1866 A
(and)126 2244 A
2412(if)S
(not)126 2538 A
(why)126 2706 A
(not.)168 2874 A
(The)126 3126 A
(routine)294 3294 A
(looks)210 3630 A
3882(up)S
(the)126 4008 A
1170 V
(26248)210 648 A
1068(*)S
(caller's)336 1152 A
(uid)126 1530 A
1698(in)S
(the)126 1824 A
('fproc')294 1992 A
(table.)252 2328 A
2664(If)S
(access)252 2790 A
3084(is)S
(allowed,)336 3210 A
3588(OK)S
3714(is)S
(returned)336 3840 A
1260 V
(26249)210 648 A
1068(*)S
1152(if)S
1278(it)S
1404(is)S
(forbidden,)420 1530 A
(EACCES)252 1992 A
2286(is)S
(returned.)378 2412 A
1350 V
(26250)210 648 A
1068(*/)S
1440 V
(26251)210 648 A
1530 V
(26252)210 648 A
(register)336 1110 A
(struct)252 1488 A
(inode)210 1782 A
(*old_rip)336 2034 A
2412(=)S
(rip;)168 2496 A
1620 V
(26253)210 648 A
(register)336 1110 A
(struct)252 1488 A
(super_block)462 1782 A
(*sp;)168 2286 A
1710 V
(26254)210 648 A
(register)336 1110 A
(mode_t)252 1488 A
(bits,)210 1782 A
(perm_bits;)420 2034 A
1800 V
(26255)210 648 A
(int)126 1110 A
1278(r,)S
(shift,)252 1404 A
(test_uid,)378 1698 A
(test_gid;)378 2118 A
1890 V
(26256)210 648 A
1980 V
(26257)210 648 A
1110(if)S
((rip->i_mount)546 1236 A
1824(==)S
(I_MOUNT))336 1950 A
2370(/*)S
(The)126 2496 A
(inode)210 2664 A
2916(is)S
(mounted)294 3042 A
(on.)126 3378 A
3546(*/)S
2070 V
(26258)210 648 A
(for)126 1362 A
((sp)126 1530 A
1698(=)S
(&super_block[1];)672 1782 A
2496(sp)S
2622(<)S
(&super_block[NR_SUPERS];)1008 2706 A
(sp++))210 3756 A
2160 V
(26259)210 648 A
1698(if)S
((sp->s_imount)546 1824 A
2412(==)S
(rip))168 2538 A
2748({)S
2250 V
(26260)210 648 A
(rip)126 2034 A
2202(=)S
(get_inode(sp->s_dev,)840 2286 A
(ROOT_INODE);)504 3168 A
2340 V
(26261)210 648 A
(break;)252 2034 A
2430 V
(26262)210 648 A
1698(})S
1782(/*)S
1908(if)S
2034(*/)S
2520 V
(26263)210 648 A
2610 V
(26264)210 648 A
1110(/*)S
(Isolate)294 1236 A
(the)126 1572 A
(relevant)336 1740 A
(rwx)126 2118 A
(bits)168 2286 A
(from)168 2496 A
(the)126 2706 A
(mode.)210 2874 A
3126(*/)S
2700 V
(26265)210 648 A
(bits)168 1110 A
1320(=)S
(rip->i_mode;)504 1404 A
2790 V
(26266)210 648 A
(test_uid)336 1110 A
1488(=)S
((fs_call)336 1572 A
1950(==)S
(ACCESS)252 2076 A
2370(?)S
(fp->fp_realuid)588 2454 A
3084(:)S
(fp->fp_effuid);)630 3168 A
2880 V
(26267)210 648 A
(test_gid)336 1110 A
1488(=)S
((fs_call)336 1572 A
1950(==)S
(ACCESS)252 2076 A
2370(?)S
(fp->fp_realgid)588 2454 A
3084(:)S
(fp->fp_effgid);)630 3168 A
2970 V
(26268)210 648 A
1110(if)S
((test_uid)378 1236 A
1656(==)S
(SU_UID))294 1782 A
2118({)S
3060 V
(26269)210 648 A
1362(/*)S
(Grant)210 1488 A
(read)168 1740 A
(and)126 1950 A
(write)210 2118 A
(permission.)462 2370 A
(Grant)210 2916 A
(search)252 3168 A
(permission)420 3462 A
(for)126 3924 A
3150 V
(26270)210 648 A
1404(*)S
(directories.)504 1488 A
(Grant)210 2076 A
(execute)294 2328 A
(permission)420 2664 A
((for)168 3126 A
(non-directories))672 3336 A
4050(if)S
3240 V
(26271)210 648 A
1404(*)S
(and)126 1488 A
(only)168 1656 A
1866(if)S
(one)126 1992 A
2160(of)S
(the)126 2286 A
('X')126 2454 A
(bits)168 2622 A
2832(is)S
(set.)168 2958 A
3330 V
(26272)210 648 A
1404(*/)S
3420 V
(26273)210 648 A
1362(if)S
1488(()S
((bits)210 1572 A
1824(&)S
(I_TYPE))294 1908 A
2244(==)S
(I_DIRECTORY)462 2370 A
2874(||)S
3510 V
(26274)210 648 A
(bits)168 1572 A
1782(&)S
(((X_BIT)294 1866 A
2202(<<)S
2328(6))S
2454(|)S
((X_BIT)252 2538 A
2832(<<)S
2958(3))S
3084(|)S
(X_BIT)))294 3168 A
3600 V
(26275)210 648 A
(perm_bits)378 1698 A
2118(=)S
(R_BIT)210 2202 A
2454(|)S
(W_BIT)210 2538 A
2790(|)S
(X_BIT;)252 2874 A
3690 V
(26276)210 648 A
(else)168 1362 A
3780 V
(26277)210 648 A
(perm_bits)378 1698 A
2118(=)S
(R_BIT)210 2202 A
2454(|)S
(W_BIT;)252 2538 A
3870 V
(26278)210 648 A
1110(})S
(else)168 1194 A
1404({)S
3960 V
(26279)210 648 A
1362(if)S
((test_uid)378 1488 A
1908(==)S
(rip->i_uid))462 2034 A
(shift)210 2538 A
2790(=)S
2874(6;)S
3378(/*)S
(owner)210 3504 A
3756(*/)S
4050 V
(26280)210 648 A
(else)168 1362 A
1572(if)S
((test_gid)378 1698 A
2118(==)S
(rip->i_gid)420 2244 A
2706())S
(shift)210 2790 A
3042(=)S
3126(3;)S
3378(/*)S
(group)210 3504 A
3756(*/)S
4140 V
(26281)210 648 A
(else)168 1362 A
(shift)210 1572 A
1824(=)S
1908(0;)S
3378(/*)S
(other)210 3504 A
3756(*/)S
4230 V
(26282)210 648 A
(perm_bits)378 1362 A
1782(=)S
((bits)210 1866 A
2118(>>)S
(shift))252 2244 A
2538(&)S
((R_BIT)252 2622 A
2916(|)S
(W_BIT)210 3000 A
3252(|)S
(X_BIT);)294 3336 A
4320 V
(26283)210 648 A
1110(})S
4410 V
(26284)210 648 A
4500 V
(26285)210 648 A
1110(/*)S
1236(If)S
(access)252 1362 A
(desired)294 1656 A
1992(is)S
(not)126 2118 A
2286(a)S
(subset)252 2370 A
2664(of)S
(what)168 2790 A
3000(is)S
(allowed,)336 3126 A
3504(it)S
3630(is)S
(refused.)336 3756 A
4134(*/)S
4590 V
(26286)210 648 A
1110(r)S
1194(=)S
(OK;)126 1278 A
4680 V
(26287)210 648 A
1110(if)S
(((perm_bits)462 1236 A
1740(|)S
(access_desired))630 1824 A
2496(!=)S
(perm_bits))420 2622 A
3084(r)S
3168(=)S
(EACCES;)294 3252 A
4770 V
(26288)210 648 A
4860 V
(26289)210 648 A
1110(/*)S
(Check)210 1236 A
1488(to)S
(see)126 1614 A
1782(if)S
(someone)294 1908 A
2244(is)S
(trying)252 2370 A
2664(to)S
(write)210 2790 A
3042(on)S
3168(a)S
(file)168 3252 A
(system)252 3462 A
(that)168 3756 A
3966(is)S
4950 V
(26290)210 648 A
1152(*)S
(mounted)294 1236 A
(read-only.)420 1572 A
5040 V
(26291)210 648 A
1152(*/)S
5130 V
(26292)210 648 A
1110(if)S
1236((r)S
1362(==)S
(OK))126 1488 A
5220 V
(26293)210 648 A
1362(if)S
((access_desired)630 1488 A
2160(&)S
(W_BIT))252 2244 A
2538(r)S
2622(=)S
(read_only(rip);)630 2706 A
5310 V
(26294)210 648 A
5400 V
(26295)210 648 A
1110(if)S
((rip)168 1236 A
1446(!=)S
(old_rip))336 1572 A
(put_inode(rip);)630 1950 A
5490 V
(26296)210 648 A
5580 V
(26297)210 648 A
(return(r);)420 1110 A
5670 V
(26298)210 648 A
1026(})S
5940 V
(26301)210 648 A
(/*===========================================================================*)3276 1026 A
6030 V
(26302)210 648 A
1068(*)S
(read_only)378 2370 A
4260(*)S
6120 V
(26303)210 648 A
(*===========================================================================*/)3276 1068 A
6210 V
(26304)210 648 A
(PUBLIC)252 1026 A
(int)126 1320 A
(read_only(ip))546 1488 A
8418 V
EP
%%Page: 364 364
BP
/slant 0 def
/height 0 def
630 V
12 B
(364)180 648 A
11 R
2092(File:)S
2325(src/fs/protect.c)S
10 R
3402(MINIX)S
3730(SOURCE)S
4153(CODE)S
900 V
7 LST
(26305)210 648 A
(struct)252 1026 A
(inode)210 1320 A
(*ip;)168 1572 A
2370(/*)S
(ptr)126 2496 A
2664(to)S
(inode)210 2790 A
(whose)210 3042 A
(file)168 3294 A
(sys)126 3504 A
3672(is)S
3798(to)S
3924(be)S
(cked)168 4050 A
4260(*/)S
990 V
(26306)210 648 A
1026({)S
1080 V
(26307)210 648 A
1026(/*)S
(Check)210 1152 A
1404(to)S
(see)126 1530 A
1698(if)S
(the)126 1824 A
(file)168 1992 A
(system)252 2202 A
2496(on)S
(which)210 2622 A
(the)126 2874 A
(inode)210 3042 A
('ip')168 3294 A
(resides)294 3504 A
3840(is)S
(mounted)294 3966 A
1170 V
(26308)210 648 A
1068(*)S
(read)168 1152 A
(only.)210 1362 A
1656(If)S
(so,)126 1782 A
(return)252 1950 A
(EROFS,)252 2244 A
(else)168 2538 A
(return)252 2748 A
(OK.)126 3042 A
1260 V
(26309)210 648 A
1068(*/)S
1350 V
(26310)210 648 A
1440 V
(26311)210 648 A
(register)336 1110 A
(struct)252 1488 A
(super_block)462 1782 A
(*sp;)168 2286 A
1530 V
(26312)210 648 A
1620 V
(26313)210 648 A
1110(sp)S
1236(=)S
(ip->i_sp;)378 1320 A
1710 V
(26314)210 648 A
(return(sp->s_rd_only)840 1110 A
1992(?)S
(EROFS)210 2076 A
2328(:)S
(OK);)168 2412 A
1800 V
(26315)210 648 A
1026(})S
2340 V
(++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++)3528 648 A
2430 V
(src/fs/time.c)546 2034 A
2520 V
(++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++)3528 648 A
2700 V
(26400)210 648 A
1026(/*)S
(This)168 1152 A
(file)168 1362 A
(takes)210 1572 A
(care)168 1824 A
2034(of)S
(those)210 2160 A
(system)252 2412 A
(calls)210 2706 A
(that)168 2958 A
(deal)168 3168 A
(with)168 3378 A
(time.)210 3588 A
2790 V
(26401)210 648 A
1068(*)S
2880 V
(26402)210 648 A
1068(*)S
(The)126 1152 A
(entry)210 1320 A
(points)252 1572 A
(into)168 1866 A
(this)168 2076 A
(file)168 2286 A
(are)126 2496 A
2970 V
(26403)210 648 A
1068(*)S
(do_utime:)378 1236 A
(perform)294 1698 A
(the)126 2034 A
(UTIME)210 2202 A
(system)252 2454 A
(call)168 2748 A
3060 V
(26404)210 648 A
1068(*)S
(do_time:)336 1236 A
(perform)294 1698 A
(the)126 2034 A
(TIME)168 2202 A
(system)252 2412 A
(call)168 2706 A
3150 V
(26405)210 648 A
1068(*)S
(do_stime:)378 1236 A
(perform)294 1698 A
(the)126 2034 A
(STIME)210 2202 A
(system)252 2454 A
(call)168 2748 A
3240 V
(26406)210 648 A
1068(*)S
(do_tims:)336 1236 A
(perform)294 1698 A
(the)126 2034 A
(TIMES)210 2202 A
(system)252 2454 A
(call)168 2748 A
3330 V
(26407)210 648 A
1068(*/)S
3420 V
(26408)210 648 A
3510 V
(26409)210 648 A
(#include)336 1026 A
("fs.h")252 1404 A
3600 V
(26410)210 648 A
(#include)336 1026 A
(<minix/callnr.h>)672 1404 A
3690 V
(26411)210 648 A
(#include)336 1026 A
(<minix/com.h>)546 1404 A
3780 V
(26412)210 648 A
(#include)336 1026 A
("file.h")336 1404 A
3870 V
(26413)210 648 A
(#include)336 1026 A
("fproc.h")378 1404 A
3960 V
(26414)210 648 A
(#include)336 1026 A
("inode.h")378 1404 A
4050 V
(26415)210 648 A
(#include)336 1026 A
("param.h")378 1404 A
4140 V
(26416)210 648 A
4230 V
(26417)210 648 A
(PRIVATE)294 1026 A
(message)294 1362 A
(clock_mess;)462 1698 A
4320 V
(26418)210 648 A
4410 V
(26419)210 648 A
(/*===========================================================================*)3276 1026 A
4500 V
(26420)210 648 A
1068(*)S
(do_utime)336 2370 A
4260(*)S
4590 V
(26421)210 648 A
(*===========================================================================*/)3276 1068 A
4680 V
(26422)210 648 A
(PUBLIC)252 1026 A
(int)126 1320 A
(do_utime())420 1488 A
4770 V
(26423)210 648 A
1026({)S
4860 V
(26424)210 648 A
1026(/*)S
(Perform)294 1152 A
(the)126 1488 A
(utime(name,)462 1656 A
(timep))252 2160 A
(system)252 2454 A
(call.)210 2748 A
3000(*/)S
4950 V
(26425)210 648 A
5040 V
(26426)210 648 A
(register)336 1110 A
(struct)252 1488 A
(inode)210 1782 A
(*rip;)210 2034 A
5130 V
(26427)210 648 A
(register)336 1110 A
(int)126 1488 A
(len,)168 1656 A
1866(r;)S
5220 V
(26428)210 648 A
5310 V
(26429)210 648 A
1110(/*)S
(Adjust)252 1236 A
(for)126 1530 A
(case)168 1698 A
1908(of)S
(NULL)168 2034 A
('timep'.)336 2244 A
2622(*/)S
5400 V
(26430)210 648 A
(len)126 1110 A
1278(=)S
(utime_length;)546 1362 A
5490 V
(26431)210 648 A
1110(if)S
((len)168 1236 A
1446(==)S
1572(0))S
(len)126 1698 A
1866(=)S
(m.m2_i2;)336 1950 A
5580 V
(26432)210 648 A
5670 V
(26433)210 648 A
1110(/*)S
(Temporarily)462 1236 A
(open)168 1740 A
(the)126 1950 A
(file.)210 2118 A
2370(*/)S
5760 V
(26434)210 648 A
1110(if)S
((fetch_name(utime_file,)966 1236 A
(len,)168 2244 A
(M1))126 2454 A
2622(!=)S
(OK))126 2748 A
(return(err_code);)714 2916 A
5850 V
(26435)210 648 A
1110(if)S
1236(()S
((rip)168 1320 A
1530(=)S
(eat_path(user_path)))840 1614 A
2496(==)S
(NIL_INODE))420 2622 A
(return(err_code);)714 3084 A
5940 V
(26436)210 648 A
6030 V
(26437)210 648 A
1110(/*)S
(Only)168 1236 A
(the)126 1446 A
(owner)210 1614 A
1866(of)S
1992(a)S
(file)168 2076 A
2286(or)S
(the)126 2412 A
(super_user)420 2580 A
(can)126 3042 A
(change)252 3210 A
(its)126 3504 A
(time.)210 3672 A
3924(*/)S
6120 V
(26438)210 648 A
1110(r)S
1194(=)S
(OK;)126 1278 A
6210 V
(26439)210 648 A
1110(if)S
((rip->i_uid)462 1236 A
1740(!=)S
(fp->fp_effuid)546 1866 A
2454(&&)S
(!super_user))504 2580 A
3126(r)S
3210(=)S
(EPERM;)252 3294 A
8418 V
EP
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/slant 0 def
/height 0 def
630 V
10 R
648(MINIX)S
976(SOURCE)S
1399(CODE)S
11 R
2147(File:)S
(src/fs/time.c)548 2380 A
12 B
(365)180 4248 A
900 V
7 LST
(26440)210 648 A
1110(if)S
((utime_length)546 1236 A
1824(==)S
1950(0)S
2034(&&)S
2160(r)S
2244(!=)S
(OK))126 2370 A
2538(r)S
2622(=)S
(forbidden(rip,)588 2706 A
(W_BIT);)294 3336 A
990 V
(26441)210 648 A
1110(if)S
((read_only(rip))630 1236 A
1908(!=)S
(OK))126 2034 A
2202(r)S
2286(=)S
(EROFS;)252 2370 A
2706(/*)S
(not)126 2832 A
(even)168 3000 A
3210(su)S
(can)126 3336 A
(touch)210 3504 A
3756(if)S
(R/O)126 3882 A
4050(*/)S
1080 V
(26442)210 648 A
1110(if)S
1236((r)S
1362(==)S
(OK))126 1488 A
1656({)S
1170 V
(26443)210 648 A
1362(if)S
((utime_length)546 1488 A
2076(==)S
2202(0))S
2328({)S
1260 V
(26444)210 648 A
(rip->i_atime)504 1698 A
2244(=)S
(clock_time();)546 2328 A
1350 V
(26445)210 648 A
(rip->i_mtime)504 1698 A
2244(=)S
(rip->i_atime;)546 2328 A
1440 V
(26446)210 648 A
1362(})S
(else)168 1446 A
1656({)S
1530 V
(26447)210 648 A
(rip->i_atime)504 1698 A
2244(=)S
(utime_actime;)546 2328 A
1620 V
(26448)210 648 A
(rip->i_mtime)504 1698 A
2244(=)S
(utime_modtime;)588 2328 A
1710 V
(26449)210 648 A
1362(})S
1800 V
(26450)210 648 A
(rip->i_update)546 1362 A
1950(=)S
(CTIME;)252 2034 A
2370(/*)S
(discard)294 2496 A
(any)126 2832 A
(stale)210 3000 A
(ATIME)210 3252 A
(and)126 3504 A
(MTIME)210 3672 A
(flags)210 3924 A
4176(*/)S
1890 V
(26451)210 648 A
(rip->i_dirt)462 1362 A
1866(=)S
(DIRTY;)252 1950 A
1980 V
(26452)210 648 A
1110(})S
2070 V
(26453)210 648 A
2160 V
(26454)210 648 A
(put_inode(rip);)630 1110 A
2250 V
(26455)210 648 A
(return(r);)420 1110 A
2340 V
(26456)210 648 A
1026(})S
2610 V
(26459)210 648 A
(/*===========================================================================*)3276 1026 A
2700 V
(26460)210 648 A
1068(*)S
(do_time)294 2370 A
4260(*)S
2790 V
(26461)210 648 A
(*===========================================================================*/)3276 1068 A
2880 V
(26462)210 648 A
(PUBLIC)252 1026 A
(int)126 1320 A
(do_time())378 1488 A
2970 V
(26463)210 648 A
3060 V
(26464)210 648 A
1026({)S
3150 V
(26465)210 648 A
1026(/*)S
(Perform)294 1152 A
(the)126 1488 A
(time(tp))336 1656 A
(system)252 2034 A
(call.)210 2328 A
2580(*/)S
3240 V
(26466)210 648 A
3330 V
(26467)210 648 A
(reply_l1)336 1110 A
1488(=)S
(clock_time();)546 1572 A
2370(/*)S
(return)252 2496 A
(time)168 2790 A
3000(in)S
(seconds)294 3126 A
3462(*/)S
3420 V
(26468)210 648 A
(return(OK);)462 1110 A
3510 V
(26469)210 648 A
1026(})S
3780 V
(26472)210 648 A
(/*===========================================================================*)3276 1026 A
3870 V
(26473)210 648 A
1068(*)S
(do_stime)336 2370 A
4260(*)S
3960 V
(26474)210 648 A
(*===========================================================================*/)3276 1068 A
4050 V
(26475)210 648 A
(PUBLIC)252 1026 A
(int)126 1320 A
(do_stime())420 1488 A
4140 V
(26476)210 648 A
1026({)S
4230 V
(26477)210 648 A
1026(/*)S
(Perform)294 1152 A
(the)126 1488 A
(stime(tp))378 1656 A
(system)252 2076 A
(call.)210 2370 A
2622(*/)S
4320 V
(26478)210 648 A
4410 V
(26479)210 648 A
(register)336 1110 A
(int)126 1488 A
1656(k;)S
4500 V
(26480)210 648 A
4590 V
(26481)210 648 A
1110(if)S
((!super_user))546 1236 A
(return(EPERM);)588 1824 A
4680 V
(26482)210 648 A
(clock_mess.m_type)714 1110 A
1866(=)S
(SET_TIME;)378 1950 A
4770 V
(26483)210 648 A
(clock_mess.NEW_TIME)798 1110 A
1950(=)S
((long))252 2034 A
(tp;)126 2328 A
4860 V
(26484)210 648 A
1110(if)S
1236(()S
1320((k)S
1446(=)S
(sendrec(CLOCK,)588 1530 A
(&clock_mess)))546 2160 A
2748(!=)S
(OK))126 2874 A
(panic("do_stime)630 3042 A
(error",)294 3714 A
(k);)126 4050 A
4950 V
(26485)210 648 A
(return(OK);)462 1110 A
5040 V
(26486)210 648 A
1026(})S
5310 V
(26489)210 648 A
(/*===========================================================================*)3276 1026 A
5400 V
(26490)210 648 A
1068(*)S
(do_tims)294 2370 A
4260(*)S
5490 V
(26491)210 648 A
(*===========================================================================*/)3276 1068 A
5580 V
(26492)210 648 A
(PUBLIC)252 1026 A
(int)126 1320 A
(do_tims())378 1488 A
5670 V
(26493)210 648 A
1026({)S
5760 V
(26494)210 648 A
1026(/*)S
(Perform)294 1152 A
(the)126 1488 A
(times(buffer))546 1656 A
(system)252 2244 A
(call.)210 2538 A
2790(*/)S
5850 V
(26495)210 648 A
5940 V
(26496)210 648 A
(clock_t)294 1110 A
(t[5];)210 1446 A
6030 V
(26497)210 648 A
6120 V
(26498)210 648 A
(sys_times(who,)588 1110 A
(t);)126 1740 A
6210 V
(26499)210 648 A
(reply_t1)336 1110 A
1488(=)S
(t[0];)210 1572 A
8418 V
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/slant 0 def
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630 V
12 B
(366)180 648 A
11 R
2147(File:)S
(src/fs/time.c)548 2380 A
10 R
3402(MINIX)S
3730(SOURCE)S
4153(CODE)S
900 V
7 LST
(26500)210 648 A
(reply_t2)336 1110 A
1488(=)S
(t[1];)210 1572 A
990 V
(26501)210 648 A
(reply_t3)336 1110 A
1488(=)S
(t[2];)210 1572 A
1080 V
(26502)210 648 A
(reply_t4)336 1110 A
1488(=)S
(t[3];)210 1572 A
1170 V
(26503)210 648 A
(reply_t5)336 1110 A
1488(=)S
(t[4];)210 1572 A
1260 V
(26504)210 648 A
(return(OK);)462 1110 A
1350 V
(26505)210 648 A
1026(})S
1890 V
(++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++)3528 648 A
1980 V
(src/fs/misc.c)546 2034 A
2070 V
(++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++)3528 648 A
2250 V
(26600)210 648 A
1026(/*)S
(This)168 1152 A
(file)168 1362 A
(contains)336 1572 A
1950(a)S
(collection)420 2034 A
2496(of)S
(miscellaneous)546 2622 A
(procedures.)462 3210 A
(Some)168 3756 A
3966(of)S
(them)168 4092 A
2340 V
(26601)210 648 A
1068(*)S
(perform)294 1152 A
(simple)252 1488 A
(system)252 1782 A
(calls.)252 2076 A
(Some)168 2412 A
(others)252 2622 A
2916(do)S
3042(a)S
(little)252 3126 A
(part)168 3420 A
3630(of)S
(system)252 3756 A
(calls)210 4050 A
2430 V
(26602)210 648 A
1068(*)S
(that)168 1152 A
(are)126 1362 A
(mostly)252 1530 A
(performed)378 1824 A
2244(by)S
(the)126 2370 A
(Memory)252 2538 A
(Manager.)336 2832 A
2520 V
(26603)210 648 A
1068(*)S
2610 V
(26604)210 648 A
1068(*)S
(The)126 1152 A
(entry)210 1320 A
(points)252 1572 A
(into)168 1866 A
(this)168 2076 A
(file)168 2286 A
(are)126 2496 A
2700 V
(26605)210 648 A
1068(*)S
(do_dup:)294 1236 A
(perform)294 1782 A
(the)126 2118 A
(DUP)126 2286 A
(system)252 2454 A
(call)168 2748 A
2790 V
(26606)210 648 A
1068(*)S
(do_fcntl:)378 1236 A
(perform)294 1782 A
(the)126 2118 A
(FCNTL)210 2286 A
(system)252 2538 A
(call)168 2832 A
2880 V
(26607)210 648 A
1068(*)S
(do_sync:)336 1236 A
(perform)294 1782 A
(the)126 2118 A
(SYNC)168 2286 A
(system)252 2496 A
(call)168 2790 A
2970 V
(26608)210 648 A
1068(*)S
(do_fork:)336 1236 A
(adjust)252 1782 A
(the)126 2076 A
(tables)252 2244 A
(after)210 2538 A
2790(MM)S
(has)126 2916 A
(performed)378 3084 A
3504(a)S
(FORK)168 3588 A
(system)252 3798 A
(call)168 4092 A
3060 V
(26609)210 648 A
1068(*)S
(do_exec:)336 1236 A
(handle)252 1782 A
(files)210 2076 A
(with)168 2328 A
(FD_CLOEXEC)420 2538 A
3000(on)S
(after)210 3126 A
3378(MM)S
(has)126 3504 A
(done)168 3672 A
3882(an)S
(EXEC)168 4008 A
3150 V
(26610)210 648 A
1068(*)S
(do_exit:)336 1236 A
1782(a)S
(process)294 1866 A
(has)126 2202 A
(exited;)294 2370 A
(note)168 2706 A
(that)168 2916 A
3126(in)S
(the)126 3252 A
(tables)252 3420 A
3240 V
(26611)210 648 A
1068(*)S
(do_set:)294 1236 A
(set)126 1782 A
(uid)126 1950 A
2118(or)S
(gid)126 2244 A
(for)126 2412 A
(some)168 2580 A
(process)294 2790 A
3330 V
(26612)210 648 A
1068(*)S
(do_revive:)420 1236 A
(revive)252 1782 A
2076(a)S
(process)294 2160 A
(that)168 2496 A
(was)126 2706 A
(waiting)294 2874 A
(for)126 3210 A
(something)378 3378 A
((e.g.)210 3798 A
(TTY))168 4050 A
3420 V
(26613)210 648 A
1068(*/)S
3510 V
(26614)210 648 A
3600 V
(26615)210 648 A
(#include)336 1026 A
("fs.h")252 1404 A
3690 V
(26616)210 648 A
(#include)336 1026 A
(<fcntl.h>)378 1404 A
3780 V
(26617)210 648 A
(#include)336 1026 A
(<unistd.h>)420 1404 A
2034(/*)S
2160(cc)S
(runs)168 2286 A
(out)126 2496 A
2664(of)S
(memory)252 2790 A
(with)168 3084 A
(unistd.h)336 3294 A
(:-()126 3672 A
3840(*/)S
3870 V
(26618)210 648 A
(#include)336 1026 A
(<minix/callnr.h>)672 1404 A
3960 V
(26619)210 648 A
(#include)336 1026 A
(<minix/com.h>)546 1404 A
4050 V
(26620)210 648 A
(#include)336 1026 A
(<minix/boot.h>)588 1404 A
4140 V
(26621)210 648 A
(#include)336 1026 A
("buf.h")294 1404 A
4230 V
(26622)210 648 A
(#include)336 1026 A
("file.h")336 1404 A
4320 V
(26623)210 648 A
(#include)336 1026 A
("fproc.h")378 1404 A
4410 V
(26624)210 648 A
(#include)336 1026 A
("inode.h")378 1404 A
4500 V
(26625)210 648 A
(#include)336 1026 A
("dev.h")294 1404 A
4590 V
(26626)210 648 A
(#include)336 1026 A
("param.h")378 1404 A
4680 V
(26627)210 648 A
4770 V
(26628)210 648 A
4860 V
(26629)210 648 A
(/*===========================================================================*)3276 1026 A
4950 V
(26630)210 648 A
1068(*)S
(do_dup)252 2370 A
4260(*)S
5040 V
(26631)210 648 A
(*===========================================================================*/)3276 1068 A
5130 V
(26632)210 648 A
(PUBLIC)252 1026 A
(int)126 1320 A
(do_dup())336 1488 A
5220 V
(26633)210 648 A
1026({)S
5310 V
(26634)210 648 A
1026(/*)S
(Perform)294 1152 A
(the)126 1488 A
(dup(fd))294 1656 A
1992(or)S
(dup2(fd,fd2))504 2118 A
(system)252 2664 A
(call.)210 2958 A
(These)210 3210 A
(system)252 3462 A
(calls)210 3756 A
(are)126 4008 A
5400 V
(26635)210 648 A
1068(*)S
(obsolete.)378 1152 A
1614(In)S
(fact,)210 1740 A
1992(it)S
2118(is)S
(not)126 2244 A
(even)168 2412 A
(possible)336 2622 A
3000(to)S
(invoke)252 3126 A
(them)168 3420 A
(using)210 3630 A
(the)126 3882 A
5490 V
(26636)210 648 A
1068(*)S
(current)294 1152 A
(library)294 1488 A
(because)294 1824 A
(the)126 2160 A
(library)294 2328 A
(routines)336 2664 A
(call)168 3042 A
(fcntl().)336 3252 A
(They)168 3672 A
(are)126 3882 A
5580 V
(26637)210 648 A
1068(*)S
(provided)336 1152 A
1530(to)S
(permit)252 1656 A
(old)126 1950 A
(binary)252 2118 A
(programs)336 2412 A
2790(to)S
(continue)336 2916 A
3294(to)S
(run.)168 3420 A
5670 V
(26638)210 648 A
1068(*/)S
5760 V
(26639)210 648 A
5850 V
(26640)210 648 A
(register)336 1110 A
(int)126 1488 A
(rfd;)168 1656 A
5940 V
(26641)210 648 A
(register)336 1110 A
(struct)252 1488 A
(filp)168 1782 A
(*f;)126 1992 A
6030 V
(26642)210 648 A
(struct)252 1110 A
(filp)168 1404 A
(*dummy;)294 1614 A
6120 V
(26643)210 648 A
(int)126 1110 A
1278(r;)S
6210 V
(26644)210 648 A
8418 V
EP
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/slant 0 def
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630 V
10 R
648(MINIX)S
976(SOURCE)S
1399(CODE)S
11 R
2141(File:)S
2374(src/fs/misc.c)S
12 B
(367)180 4248 A
900 V
7 LST
(26645)210 648 A
1110(/*)S
1236(Is)S
(the)126 1362 A
(file)168 1530 A
(descriptor)420 1740 A
(valid?)252 2202 A
2496(*/)S
990 V
(26646)210 648 A
(rfd)126 1110 A
1278(=)S
1362(fd)S
1488(&)S
(304DUP_MASK;)420 1572 A
2370(/*)S
(kill)168 2496 A
(off)126 2706 A
(dup2)168 2874 A
(bit,)168 3084 A
3294(if)S
3420(on)S
3546(*/)S
1080 V
(26647)210 648 A
1110(if)S
(((f)126 1236 A
1404(=)S
(get_filp(rfd)))588 1488 A
2118(==)S
(NIL_FILP))378 2244 A
(return(err_code);)714 2664 A
1170 V
(26648)210 648 A
1260 V
(26649)210 648 A
1110(/*)S
(Distinguish)462 1236 A
(between)294 1740 A
(dup)126 2076 A
(and)126 2244 A
(dup2.)210 2412 A
2664(*/)S
1350 V
(26650)210 648 A
1110(if)S
((fd)126 1236 A
1404(==)S
(rfd))168 1530 A
1740({)S
2706(/*)S
(bit)126 2832 A
(not)126 3000 A
3168(on)S
3294(*/)S
1440 V
(26651)210 648 A
1362(/*)S
(dup(fd))294 1488 A
1824(*/)S
1530 V
(26652)210 648 A
1362(if)S
1488(()S
1572((r)S
1698(=)S
(get_fd(0,)378 1782 A
2202(0,)S
(&fd2,)210 2328 A
(&dummy)))336 2580 A
2958(!=)S
(OK))126 3084 A
(return(r);)420 3252 A
1620 V
(26653)210 648 A
1110(})S
(else)168 1194 A
1404({)S
1710 V
(26654)210 648 A
1362(/*)S
(dup2(fd,)336 1488 A
(fd2))168 1866 A
2076(*/)S
1800 V
(26655)210 648 A
1362(if)S
((fd2)168 1488 A
1698(<)S
1782(0)S
1866(||)S
(fd2)126 1992 A
2160(>=)S
(OPEN_MAX))378 2286 A
(return(EBADF);)588 2706 A
1890 V
(26656)210 648 A
1362(if)S
((rfd)168 1488 A
1698(==)S
(fd2))168 1824 A
(return(fd2);)504 2034 A
2706(/*)S
(ignore)252 2832 A
(the)126 3126 A
(call:)210 3294 A
(dup2(x,)294 3546 A
3882(x))S
4008(*/)S
1980 V
(26657)210 648 A
1362(fd)S
1488(=)S
(fd2;)168 1572 A
2370(/*)S
(prepare)294 2496 A
2832(to)S
(close)210 2958 A
(fd2)126 3210 A
3378(*/)S
2070 V
(26658)210 648 A
((void))252 1362 A
(do_close();)462 1656 A
2370(/*)S
(cannot)252 2496 A
(fail)168 2790 A
3000(*/)S
2160 V
(26659)210 648 A
1110(})S
2250 V
(26660)210 648 A
2340 V
(26661)210 648 A
1110(/*)S
(Success.)336 1236 A
(Set)126 1614 A
1782(up)S
(new)126 1908 A
(file)168 2076 A
(descriptors.)504 2286 A
2832(*/)S
2430 V
(26662)210 648 A
(f->filp_count++;)672 1110 A
2520 V
(26663)210 648 A
(fp->fp_filp[fd2])672 1110 A
1824(=)S
1908(f;)S
2610 V
(26664)210 648 A
(return(fd2);)504 1110 A
2700 V
(26665)210 648 A
1026(})S
2880 V
(26667)210 648 A
(/*===========================================================================*)3276 1026 A
2970 V
(26668)210 648 A
1068(*)S
(do_fcntl)336 2370 A
4260(*)S
3060 V
(26669)210 648 A
(*===========================================================================*/)3276 1068 A
3150 V
(26670)210 648 A
(PUBLIC)252 1026 A
(int)126 1320 A
(do_fcntl())420 1488 A
3240 V
(26671)210 648 A
1026({)S
3330 V
(26672)210 648 A
1026(/*)S
(Perform)294 1152 A
(the)126 1488 A
(fcntl(fd,)378 1656 A
(request,)336 2076 A
(...))168 2454 A
(system)252 2664 A
(call.)210 2958 A
3210(*/)S
3420 V
(26673)210 648 A
3510 V
(26674)210 648 A
(register)336 1110 A
(struct)252 1488 A
(filp)168 1782 A
(*f;)126 1992 A
3600 V
(26675)210 648 A
(int)126 1110 A
(new_fd,)294 1278 A
1614(r,)S
(fl;)126 1740 A
3690 V
(26676)210 648 A
(long)168 1110 A
(cloexec_mask;)546 1320 A
2370(/*)S
(bit)126 2496 A
(map)126 2664 A
(for)126 2832 A
(the)126 3000 A
(FD_CLOEXEC)420 3168 A
(flag)168 3630 A
3840(*/)S
3780 V
(26677)210 648 A
(long)168 1110 A
(clo_value;)420 1320 A
2370(/*)S
(FD_CLOEXEC)420 2496 A
(flag)168 2958 A
3168(in)S
(proper)252 3294 A
(position)336 3588 A
3966(*/)S
3870 V
(26678)210 648 A
(struct)252 1110 A
(filp)168 1404 A
(*dummy;)294 1614 A
3960 V
(26679)210 648 A
4050 V
(26680)210 648 A
1110(/*)S
1236(Is)S
(the)126 1362 A
(file)168 1530 A
(descriptor)420 1740 A
(valid?)252 2202 A
2496(*/)S
4140 V
(26681)210 648 A
1110(if)S
(((f)126 1236 A
1404(=)S
(get_filp(fd)))546 1488 A
2076(==)S
(NIL_FILP))378 2202 A
(return(err_code);)714 2622 A
4230 V
(26682)210 648 A
4320 V
(26683)210 648 A
(switch)252 1110 A
((request))378 1404 A
1824({)S
4410 V
(26684)210 648 A
(case)168 1236 A
(F_DUPFD:)336 1446 A
4500 V
(26685)210 648 A
1362(/*)S
(This)168 1488 A
(replaces)336 1698 A
(the)126 2076 A
(old)126 2244 A
(dup())210 2412 A
(system)252 2664 A
(call.)210 2958 A
3210(*/)S
4590 V
(26686)210 648 A
1362(if)S
((addr)210 1488 A
1740(<)S
1824(0)S
1908(||)S
(addr)168 2034 A
2244(>=)S
(OPEN_MAX))378 2370 A
(return(EINVAL);)630 2790 A
4680 V
(26687)210 648 A
1362(if)S
(((r)126 1488 A
1656(=)S
(get_fd(addr,)504 1740 A
2286(0,)S
(&new_fd,)336 2412 A
(&dummy)))336 2790 A
3168(!=)S
(OK))126 3294 A
(return(r);)420 3462 A
4770 V
(26688)210 648 A
(f->filp_count++;)672 1362 A
4860 V
(26689)210 648 A
(fp->fp_filp[new_fd])798 1362 A
2202(=)S
2286(f;)S
4950 V
(26690)210 648 A
(return(new_fd);)630 1362 A
5040 V
(26691)210 648 A
5130 V
(26692)210 648 A
(case)168 1236 A
(F_GETFD:)336 1446 A
5220 V
(26693)210 648 A
1362(/*)S
(Get)126 1488 A
(close-on-exec)546 1656 A
(flag)168 2244 A
((FD_CLOEXEC)462 2454 A
2958(in)S
(POSIX)210 3084 A
(Table)210 3336 A
(6-2).)210 3588 A
3840(*/)S
5310 V
(26694)210 648 A
(return()294 1362 A
(((fp->fp_cloexec)672 1698 A
2412(>>)S
(fd))126 2538 A
2706(&)S
(01))126 2790 A
2958(?)S
(FD_CLOEXEC)420 3042 A
3504(:)S
(0);)126 3588 A
5400 V
(26695)210 648 A
5490 V
(26696)210 648 A
(case)168 1236 A
(F_SETFD:)336 1446 A
5580 V
(26697)210 648 A
1362(/*)S
(Set)126 1488 A
(close-on-exec)546 1656 A
(flag)168 2244 A
((FD_CLOEXEC)462 2454 A
2958(in)S
(POSIX)210 3084 A
(Table)210 3336 A
(6-2).)210 3588 A
3840(*/)S
5670 V
(26698)210 648 A
(cloexec_mask)504 1362 A
1908(=)S
1992(1L)S
2118(<<)S
(fd;)126 2244 A
2706(/*)S
(singleton)378 2832 A
(set)126 3252 A
(position)336 3420 A
3798(ok)S
3924(*/)S
5760 V
(26699)210 648 A
(clo_value)378 1362 A
1782(=)S
((addr)210 1866 A
2118(&)S
(FD_CLOEXEC)420 2202 A
2664(?)S
(cloexec_mask)504 2748 A
3294(:)S
(0L);)168 3378 A
5850 V
(26700)210 648 A
(fp->fp_cloexec)588 1362 A
1992(=)S
((fp->fp_cloexec)630 2076 A
2748(&)S
(304cloexec_mask))588 2832 A
3462(|)S
(clo_value;)420 3546 A
5940 V
(26701)210 648 A
(return(OK);)462 1362 A
6030 V
(26702)210 648 A
6120 V
(26703)210 648 A
(case)168 1236 A
(F_GETFL:)336 1446 A
6210 V
(26704)210 648 A
1362(/*)S
(Get)126 1488 A
(file)168 1656 A
(status)252 1866 A
(flags)210 2160 A
((O_NONBLOCK)462 2412 A
(and)126 2916 A
(O_APPEND).)420 3084 A
3546(*/)S
8418 V
EP
%%Page: 368 368
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/slant 0 def
/height 0 def
630 V
12 B
(368)180 648 A
11 R
2141(File:)S
2374(src/fs/misc.c)S
10 R
3402(MINIX)S
3730(SOURCE)S
4153(CODE)S
900 V
7 LST
(26705)210 648 A
1362(fl)S
1488(=)S
(f->filp_flags)546 1572 A
2160(&)S
((O_NONBLOCK)462 2244 A
2748(|)S
(O_APPEND)336 2832 A
3210(|)S
(O_ACCMODE);)462 3294 A
990 V
(26706)210 648 A
(return(fl);)462 1362 A
1080 V
(26707)210 648 A
1170 V
(26708)210 648 A
(case)168 1236 A
(F_SETFL:)336 1446 A
1260 V
(26709)210 648 A
1362(/*)S
(Set)126 1488 A
(file)168 1656 A
(status)252 1866 A
(flags)210 2160 A
((O_NONBLOCK)462 2412 A
(and)126 2916 A
(O_APPEND).)420 3084 A
3546(*/)S
1350 V
(26710)210 648 A
1362(fl)S
1488(=)S
(O_NONBLOCK)420 1572 A
2034(|)S
(O_APPEND;)378 2118 A
1440 V
(26711)210 648 A
(f->filp_flags)546 1362 A
1950(=)S
((f->filp_flags)588 2034 A
2664(&)S
(304fl))168 2748 A
2958(|)S
((addr)210 3042 A
3294(&)S
(fl);)168 3378 A
1530 V
(26712)210 648 A
(return(OK);)462 1362 A
1620 V
(26713)210 648 A
1710 V
(26714)210 648 A
(case)168 1236 A
(F_GETLK:)336 1446 A
1800 V
(26715)210 648 A
(case)168 1236 A
(F_SETLK:)336 1446 A
1890 V
(26716)210 648 A
(case)168 1236 A
(F_SETLKW:)378 1446 A
1980 V
(26717)210 648 A
1362(/*)S
(Set)126 1488 A
1656(or)S
(clear)210 1782 A
2034(a)S
(file)168 2118 A
(lock.)210 2328 A
2580(*/)S
2070 V
(26718)210 648 A
1362(r)S
1446(=)S
(lock_op(f,)420 1530 A
(request);)378 1992 A
2160 V
(26719)210 648 A
(return(r);)420 1362 A
2250 V
(26720)210 648 A
2340 V
(26721)210 648 A
(default:)336 1236 A
2430 V
(26722)210 648 A
(return(EINVAL);)630 1362 A
2520 V
(26723)210 648 A
1110(})S
2610 V
(26724)210 648 A
1026(})S
2880 V
(26727)210 648 A
(/*===========================================================================*)3276 1026 A
2970 V
(26728)210 648 A
1068(*)S
(do_sync)294 2370 A
4260(*)S
3060 V
(26729)210 648 A
(*===========================================================================*/)3276 1068 A
3150 V
(26730)210 648 A
(PUBLIC)252 1026 A
(int)126 1320 A
(do_sync())378 1488 A
3240 V
(26731)210 648 A
1026({)S
3330 V
(26732)210 648 A
1026(/*)S
(Perform)294 1152 A
(the)126 1488 A
(sync())252 1656 A
(system)252 1950 A
(call.)210 2244 A
(Flush)210 2538 A
(all)126 2790 A
(the)126 2958 A
(tables.)294 3126 A
3462(*/)S
3420 V
(26733)210 648 A
3510 V
(26734)210 648 A
(register)336 1110 A
(struct)252 1488 A
(inode)210 1782 A
(*rip;)210 2034 A
3600 V
(26735)210 648 A
(register)336 1110 A
(struct)252 1488 A
(buf)126 1782 A
(*bp;)168 1950 A
3690 V
(26736)210 648 A
3780 V
(26737)210 648 A
1110(/*)S
(The)126 1236 A
(order)210 1404 A
1656(in)S
(which)210 1782 A
(the)126 2034 A
(various)294 2202 A
(tables)252 2538 A
(are)126 2832 A
(flushed)294 3000 A
3336(is)S
(critical.)378 3462 A
(The)126 3924 A
3870 V
(26738)210 648 A
1152(*)S
(blocks)252 1236 A
(must)168 1530 A
1740(be)S
(flushed)294 1866 A
(last,)210 2202 A
(since)210 2454 A
(rw_inode())420 2706 A
(leaves)252 3168 A
(its)126 3462 A
(results)294 3630 A
3966(in)S
3960 V
(26739)210 648 A
1152(*)S
(the)126 1236 A
(block)210 1404 A
(cache.)252 1656 A
4050 V
(26740)210 648 A
1152(*/)S
4140 V
(26741)210 648 A
4230 V
(26742)210 648 A
1110(/*)S
(Write)210 1236 A
(all)126 1488 A
(the)126 1656 A
(dirty)210 1824 A
(inodes)252 2076 A
2370(to)S
(the)126 2496 A
(disk.)210 2664 A
2916(*/)S
4320 V
(26743)210 648 A
(for)126 1110 A
((rip)168 1278 A
1488(=)S
(&inode[0];)420 1572 A
(rip)126 2034 A
2202(<)S
(&inode[NR_INODES];)756 2286 A
(rip++))252 3084 A
4410 V
(26744)210 648 A
1362(if)S
((rip->i_count)546 1488 A
2076(>)S
2160(0)S
2244(&&)S
(rip->i_dirt)462 2370 A
2874(==)S
(DIRTY))252 3000 A
(rw_inode(rip,)546 3294 A
(WRITING);)378 3882 A
4500 V
(26745)210 648 A
4590 V
(26746)210 648 A
1110(/*)S
(Write)210 1236 A
(all)126 1488 A
(the)126 1656 A
(dirty)210 1824 A
(blocks)252 2076 A
2370(to)S
(the)126 2496 A
(disk,)210 2664 A
(one)126 2916 A
(drive)210 3084 A
3336(at)S
3462(a)S
(time.)210 3546 A
3798(*/)S
4680 V
(26747)210 648 A
(for)126 1110 A
((bp)126 1278 A
1446(=)S
(&buf[0];)336 1530 A
1908(bp)S
2034(<)S
(&buf[NR_BUFS];)588 2118 A
(bp++))210 2748 A
4770 V
(26748)210 648 A
1362(if)S
((bp->b_dev)420 1488 A
1950(!=)S
(NO_DEV)252 2076 A
2370(&&)S
(bp->b_dirt)420 2496 A
2958(==)S
(DIRTY))252 3084 A
(flushall(bp->b_dev);)840 3378 A
4860 V
(26749)210 648 A
4950 V
(26750)210 648 A
(return(OK);)462 1110 A
2034(/*)S
(sync())252 2160 A
(can't)210 2454 A
(fail)168 2706 A
2916(*/)S
5040 V
(26751)210 648 A
1026(})S
5310 V
(26754)210 648 A
(/*===========================================================================*)3276 1026 A
5400 V
(26755)210 648 A
1068(*)S
(do_fork)294 2370 A
4260(*)S
5490 V
(26756)210 648 A
(*===========================================================================*/)3276 1068 A
5580 V
(26757)210 648 A
(PUBLIC)252 1026 A
(int)126 1320 A
(do_fork())378 1488 A
5670 V
(26758)210 648 A
1026({)S
5760 V
(26759)210 648 A
1026(/*)S
(Perform)294 1152 A
(those)210 1488 A
(aspects)294 1740 A
2076(of)S
(the)126 2202 A
(fork())252 2370 A
(system)252 2664 A
(call)168 2958 A
(that)168 3168 A
(relate)252 3378 A
3672(to)S
(files.)252 3798 A
5850 V
(26760)210 648 A
1068(*)S
1152(In)S
(particular,)462 1278 A
(let)126 1782 A
(the)126 1950 A
(child)210 2118 A
(inherit)294 2370 A
(its)126 2706 A
(parent's)336 2874 A
(file)168 3252 A
(descriptors.)504 3462 A
5940 V
(26761)210 648 A
1068(*)S
(The)126 1152 A
(parent)252 1320 A
(and)126 1614 A
(child)210 1782 A
(parameters)420 2034 A
(tell)168 2496 A
(who)126 2706 A
(forked)252 2874 A
(off)126 3168 A
(whom.)210 3336 A
(The)126 3588 A
(file)168 3756 A
6030 V
(26762)210 648 A
1068(*)S
(system)252 1152 A
(uses)168 1446 A
(the)126 1656 A
(same)168 1824 A
(slot)168 2034 A
(numbers)294 2244 A
2580(as)S
(the)126 2706 A
(kernel.)294 2874 A
(Only)168 3252 A
3462(MM)S
(makes)210 3588 A
(this)168 3840 A
(call.)210 4050 A
6120 V
(26763)210 648 A
1068(*/)S
6210 V
(26764)210 648 A
8418 V
EP
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/slant 0 def
/height 0 def
630 V
10 R
648(MINIX)S
976(SOURCE)S
1399(CODE)S
11 R
2141(File:)S
2374(src/fs/misc.c)S
12 B
(369)180 4248 A
900 V
7 LST
(26765)210 648 A
(register)336 1110 A
(struct)252 1488 A
(fproc)210 1782 A
(*cp;)168 2034 A
990 V
(26766)210 648 A
(int)126 1110 A
1278(i;)S
1080 V
(26767)210 648 A
1170 V
(26768)210 648 A
1110(/*)S
(Only)168 1236 A
1446(MM)S
(may)126 1572 A
(make)168 1740 A
(this)168 1950 A
(call)168 2160 A
(directly.)378 2370 A
2790(*/)S
1260 V
(26769)210 648 A
1110(if)S
((who)168 1236 A
1446(!=)S
(MM_PROC_NR))462 1572 A
(return(EGENERIC);)714 2076 A
1350 V
(26770)210 648 A
1440 V
(26771)210 648 A
1110(/*)S
(Copy)168 1236 A
(the)126 1446 A
(parent's)336 1614 A
(fproc)210 1992 A
(struct)252 2244 A
2538(to)S
(the)126 2664 A
(child.)252 2832 A
3126(*/)S
1530 V
(26772)210 648 A
(fproc[child])504 1110 A
1656(=)S
(fproc[parent];)588 1740 A
1620 V
(26773)210 648 A
1710 V
(26774)210 648 A
1110(/*)S
(Increase)336 1236 A
(the)126 1614 A
(counters)336 1782 A
2160(in)S
(the)126 2286 A
('filp')252 2454 A
(table.)252 2748 A
3042(*/)S
1800 V
(26775)210 648 A
1110(cp)S
1236(=)S
(&fproc[child];)588 1320 A
1890 V
(26776)210 648 A
(for)126 1110 A
1278((i)S
1404(=)S
1488(0;)S
1614(i)S
1698(<)S
(OPEN_MAX;)378 1782 A
(i++))168 2202 A
1980 V
(26777)210 648 A
1362(if)S
((cp->fp_filp[i])630 1488 A
2160(!=)S
(NIL_FILP))378 2286 A
(cp->fp_filp[i]->filp_count++;)1218 2706 A
2070 V
(26778)210 648 A
2160 V
(26779)210 648 A
1110(/*)S
(Fill)168 1236 A
1446(in)S
(new)126 1572 A
(process)294 1740 A
(id.)126 2076 A
2244(*/)S
2250 V
(26780)210 648 A
(cp->fp_pid)420 1110 A
1572(=)S
(pid;)168 1656 A
2340 V
(26781)210 648 A
2430 V
(26782)210 648 A
1110(/*)S
1236(A)S
(child)210 1320 A
1572(is)S
(not)126 1698 A
1866(a)S
(process)294 1950 A
(leader.)294 2286 A
2622(*/)S
2520 V
(26783)210 648 A
(cp->fp_sesldr)546 1110 A
1698(=)S
1782(0;)S
2610 V
(26784)210 648 A
2700 V
(26785)210 648 A
1110(/*)S
(Record)252 1236 A
(the)126 1530 A
(fact)168 1698 A
(that)168 1908 A
(both)168 2118 A
(root)168 2328 A
(and)126 2538 A
(working)294 2706 A
(dir)126 3042 A
(have)168 3210 A
(another)294 3420 A
(user.)210 3756 A
4008(*/)S
2790 V
(26786)210 648 A
(dup_inode(cp->fp_rootdir);)1092 1110 A
2880 V
(26787)210 648 A
(dup_inode(cp->fp_workdir);)1092 1110 A
2970 V
(26788)210 648 A
(return(OK);)462 1110 A
3060 V
(26789)210 648 A
1026(})S
3330 V
(26792)210 648 A
(/*===========================================================================*)3276 1026 A
3420 V
(26793)210 648 A
1068(*)S
(do_exec)294 2370 A
4260(*)S
3510 V
(26794)210 648 A
(*===========================================================================*/)3276 1068 A
3600 V
(26795)210 648 A
(PUBLIC)252 1026 A
(int)126 1320 A
(do_exec())378 1488 A
3690 V
(26796)210 648 A
1026({)S
3780 V
(26797)210 648 A
1026(/*)S
(Files)210 1152 A
(can)126 1404 A
1572(be)S
(marked)252 1698 A
(with)168 1992 A
(the)126 2202 A
(FD_CLOEXEC)420 2370 A
(bit)126 2832 A
((in)126 3000 A
(fp->fp_cloexec).)672 3168 A
(When)168 3924 A
3870 V
(26798)210 648 A
1068(*)S
1152(MM)S
(does)168 1278 A
1488(an)S
(EXEC,)210 1614 A
1866(it)S
(calls)210 1992 A
2244(FS)S
2370(to)S
(allow)210 2496 A
2748(FS)S
2874(to)S
(find)168 3000 A
(these)210 3210 A
(files)210 3462 A
(and)126 3714 A
(close)210 3882 A
(them.)210 4134 A
3960 V
(26799)210 648 A
1068(*/)S
4050 V
(26800)210 648 A
4140 V
(26801)210 648 A
(register)336 1110 A
(int)126 1488 A
1656(i;)S
4230 V
(26802)210 648 A
(long)168 1110 A
(bitmap;)294 1320 A
4320 V
(26803)210 648 A
4410 V
(26804)210 648 A
1110(/*)S
(Only)168 1236 A
1446(MM)S
(may)126 1572 A
(make)168 1740 A
(this)168 1950 A
(call)168 2160 A
(directly.)378 2370 A
2790(*/)S
4500 V
(26805)210 648 A
1110(if)S
((who)168 1236 A
1446(!=)S
(MM_PROC_NR))462 1572 A
(return(EGENERIC);)714 2076 A
4590 V
(26806)210 648 A
4680 V
(26807)210 648 A
1110(/*)S
(The)126 1236 A
(array)210 1404 A
1656(of)S
(FD_CLOEXEC)420 1782 A
(bits)168 2244 A
2454(is)S
2580(in)S
(the)126 2706 A
(fp_cloexec)420 2874 A
(bit)126 3336 A
(map.)168 3504 A
3714(*/)S
4770 V
(26808)210 648 A
1110(fp)S
1236(=)S
(&fproc[slot1];)588 1320 A
2370(/*)S
(get_filp())420 2496 A
(needs)210 2958 A
('fp')168 3210 A
3420(*/)S
4860 V
(26809)210 648 A
(bitmap)252 1110 A
1404(=)S
(fp->fp_cloexec;)630 1488 A
4950 V
(26810)210 648 A
1110(if)S
((bitmap)294 1236 A
1572(==)S
1698(0))S
(return(OK);)462 1824 A
2370(/*)S
(normal)252 2496 A
(case,)210 2790 A
3042(no)S
(FD_CLOEXECs)462 3168 A
3672(*/)S
5040 V
(26811)210 648 A
5130 V
(26812)210 648 A
1110(/*)S
(Check)210 1236 A
(the)126 1488 A
(file)168 1656 A
(desriptors)420 1866 A
(one)126 2328 A
2496(by)S
(one)126 2622 A
(for)126 2790 A
(presence)336 2958 A
3336(of)S
(FD_CLOEXEC.)462 3462 A
3966(*/)S
5220 V
(26813)210 648 A
(for)126 1110 A
1278((i)S
1404(=)S
1488(0;)S
1614(i)S
1698(<)S
(OPEN_MAX;)378 1782 A
(i++))168 2202 A
2412({)S
5310 V
(26814)210 648 A
1362(fd)S
1488(=)S
1572(i;)S
5400 V
(26815)210 648 A
1362(if)S
1488(()S
((bitmap)294 1572 A
1908(>>)S
2034(i))S
2160(&)S
(01))126 2244 A
((void))252 2412 A
(do_close();)462 2706 A
5490 V
(26816)210 648 A
1110(})S
5580 V
(26817)210 648 A
5670 V
(26818)210 648 A
(return(OK);)462 1110 A
5760 V
(26819)210 648 A
1026(})S
6030 V
(26822)210 648 A
(/*===========================================================================*)3276 1026 A
6120 V
(26823)210 648 A
1068(*)S
(do_exit)294 2370 A
4260(*)S
6210 V
(26824)210 648 A
(*===========================================================================*/)3276 1068 A
8418 V
EP
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/slant 0 def
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630 V
12 B
(370)180 648 A
11 R
2141(File:)S
2374(src/fs/misc.c)S
10 R
3402(MINIX)S
3730(SOURCE)S
4153(CODE)S
900 V
7 LST
(26825)210 648 A
(PUBLIC)252 1026 A
(int)126 1320 A
(do_exit())378 1488 A
990 V
(26826)210 648 A
1026({)S
1080 V
(26827)210 648 A
1026(/*)S
(Perform)294 1152 A
(the)126 1488 A
(file)168 1656 A
(system)252 1866 A
(portion)294 2160 A
2496(of)S
(the)126 2622 A
(exit(status))504 2790 A
(system)252 3336 A
(call.)210 3630 A
3882(*/)S
1170 V
(26828)210 648 A
1260 V
(26829)210 648 A
(register)336 1110 A
(int)126 1488 A
1656(i,)S
(exitee,)294 1782 A
(task;)210 2118 A
1350 V
(26830)210 648 A
(register)336 1110 A
(struct)252 1488 A
(fproc)210 1782 A
(*rfp;)210 2034 A
1440 V
(26831)210 648 A
(register)336 1110 A
(struct)252 1488 A
(filp)168 1782 A
(*rfilp;)294 1992 A
1530 V
(26832)210 648 A
(register)336 1110 A
(struct)252 1488 A
(inode)210 1782 A
(*rip;)210 2034 A
1620 V
(26833)210 648 A
(int)126 1110 A
(major;)252 1278 A
1710 V
(26834)210 648 A
(dev_t)210 1110 A
(dev;)168 1362 A
1800 V
(26835)210 648 A
(message)294 1110 A
(dev_mess;)378 1446 A
1890 V
(26836)210 648 A
1980 V
(26837)210 648 A
1110(/*)S
(Only)168 1236 A
1446(MM)S
(may)126 1572 A
1740(do)S
(the)126 1866 A
(EXIT)168 2034 A
(call)168 2244 A
(directly.)378 2454 A
2874(*/)S
2070 V
(26838)210 648 A
1110(if)S
((who)168 1236 A
1446(!=)S
(MM_PROC_NR))462 1572 A
(return(EGENERIC);)714 2076 A
2160 V
(26839)210 648 A
2250 V
(26840)210 648 A
1110(/*)S
(Nevertheless,)546 1236 A
(pretend)294 1824 A
(that)168 2160 A
(the)126 2370 A
(call)168 2538 A
(came)168 2748 A
(from)168 2958 A
(the)126 3168 A
(user.)210 3336 A
3588(*/)S
2340 V
(26841)210 648 A
1110(fp)S
1236(=)S
(&fproc[slot1];)588 1320 A
2370(/*)S
(get_filp())420 2496 A
(needs)210 2958 A
('fp')168 3210 A
3420(*/)S
2430 V
(26842)210 648 A
(exitee)252 1110 A
1404(=)S
(slot1;)252 1488 A
2520 V
(26843)210 648 A
2610 V
(26844)210 648 A
1110(if)S
((fp->fp_suspended)714 1236 A
1992(==)S
(SUSPENDED))420 2118 A
2580({)S
2700 V
(26845)210 648 A
(task)168 1362 A
1572(=)S
(-fp->fp_task;)546 1656 A
2790 V
(26846)210 648 A
1362(if)S
((task)210 1488 A
1740(==)S
(XPIPE)210 1866 A
2118(||)S
(task)168 2244 A
2454(==)S
(XPOPEN))294 2580 A
(susp_count--;)546 2916 A
2880 V
(26847)210 648 A
(pro)126 1362 A
1530(=)S
(exitee;)294 1614 A
2970 V
(26848)210 648 A
((void))252 1362 A
(do_unpause();)546 1656 A
2370(/*)S
(this)168 2496 A
(always)252 2706 A
(succeeds)336 3000 A
(for)126 3378 A
3546(MM)S
3672(*/)S
3060 V
(26849)210 648 A
(fp->fp_suspended)672 1362 A
2076(=)S
(NOT_SUSPENDED;)588 2160 A
3150 V
(26850)210 648 A
1110(})S
3240 V
(26851)210 648 A
3330 V
(26852)210 648 A
1110(/*)S
(Loop)168 1236 A
1446(on)S
(file)168 1572 A
(descriptors,)504 1782 A
(closing)294 2328 A
(any)126 2664 A
(that)168 2832 A
(are)126 3042 A
(open.)210 3210 A
3462(*/)S
3420 V
(26853)210 648 A
(for)126 1110 A
1278((i)S
1404(=)S
1488(0;)S
1614(i)S
1698(<)S
(OPEN_MAX;)378 1782 A
(i++))168 2202 A
2412({)S
3510 V
(26854)210 648 A
1362(fd)S
1488(=)S
1572(i;)S
3600 V
(26855)210 648 A
((void))252 1362 A
(do_close();)462 1656 A
3690 V
(26856)210 648 A
1110(})S
3780 V
(26857)210 648 A
3870 V
(26858)210 648 A
1110(/*)S
(Release)294 1236 A
(root)168 1572 A
(and)126 1782 A
(working)294 1950 A
(directories.)504 2286 A
2832(*/)S
3960 V
(26859)210 648 A
(put_inode(fp->fp_rootdir);)1092 1110 A
4050 V
(26860)210 648 A
(put_inode(fp->fp_workdir);)1092 1110 A
4140 V
(26861)210 648 A
(fp->fp_rootdir)588 1110 A
1740(=)S
(NIL_INODE;)420 1824 A
4230 V
(26862)210 648 A
(fp->fp_workdir)588 1110 A
1740(=)S
(NIL_INODE;)420 1824 A
4320 V
(26863)210 648 A
4410 V
(26864)210 648 A
1110(/*)S
1236(If)S
1362(a)S
(session)294 1446 A
(leader)252 1782 A
(exits)210 2076 A
(then)168 2328 A
(revoke)252 2538 A
(access)252 2832 A
3126(to)S
(its)126 3252 A
(controlling)462 3420 A
(tty)126 3924 A
(from)168 4092 A
4500 V
(26865)210 648 A
1152(*)S
(all)126 1236 A
(other)210 1404 A
(processes)378 1656 A
(using)210 2076 A
(it.)126 2328 A
4590 V
(26866)210 648 A
1152(*/)S
4680 V
(26867)210 648 A
1110(if)S
((!fp->fp_sesldr))672 1236 A
(return(OK);)462 1950 A
3042(/*)S
(not)126 3168 A
3336(a)S
(session)294 3420 A
(leader)252 3756 A
4050(*/)S
4770 V
(26868)210 648 A
(fp->fp_sesldr)546 1110 A
1698(=)S
(FALSE;)252 1782 A
4860 V
(26869)210 648 A
1110(if)S
((fp->fp_tty)462 1236 A
1740(==)S
1866(0))S
(return(OK);)462 1992 A
3042(/*)S
3168(no)S
(controlling)462 3294 A
(tty)126 3798 A
3966(*/)S
4950 V
(26870)210 648 A
(dev)126 1110 A
1278(=)S
(fp->fp_tty;)462 1362 A
5040 V
(26871)210 648 A
5130 V
(26872)210 648 A
(for)126 1110 A
((rfp)168 1278 A
1488(=)S
(&fproc[LOW_USER];)714 1572 A
(rfp)126 2328 A
2496(<)S
(&fproc[NR_PROCS];)714 2580 A
(rfp++))252 3336 A
3630({)S
5220 V
(26873)210 648 A
1362(if)S
((rfp->fp_tty)504 1488 A
2034(==)S
(dev))168 2160 A
(rfp->fp_tty)462 2370 A
2874(=)S
2958(0;)S
5310 V
(26874)210 648 A
5400 V
(26875)210 648 A
(for)126 1362 A
1530((i)S
1656(=)S
1740(0;)S
1866(i)S
1950(<)S
(OPEN_MAX;)378 2034 A
(i++))168 2454 A
2664({)S
5490 V
(26876)210 648 A
1698(if)S
(((rfilp)294 1824 A
2160(=)S
(rfp->fp_filp[i]))672 2244 A
2958(==)S
(NIL_FILP))378 3084 A
(continue;)378 3504 A
5580 V
(26877)210 648 A
1698(if)S
((rfilp->filp_mode)714 1824 A
2580(==)S
(FILP_CLOSED))504 2706 A
(continue;)378 3252 A
5670 V
(26878)210 648 A
(rip)126 1698 A
1866(=)S
(rfilp->filp_ino;)672 1950 A
5760 V
(26879)210 648 A
1698(if)S
(((rip->i_mode)546 1824 A
2412(&)S
(I_TYPE))294 2496 A
2832(!=)S
(I_CHAR_SPECIAL))630 2958 A
(continue;)378 3630 A
5850 V
(26880)210 648 A
1698(if)S
(((dev_t))336 1824 A
(rip->i_zone[0])588 2202 A
2832(!=)S
(dev))168 2958 A
(continue;)378 3168 A
5940 V
(26881)210 648 A
(dev_mess.m_type)630 1698 A
2370(=)S
(DEV_CLOSE;)420 2454 A
6030 V
(26882)210 648 A
(dev_mess.DEVICE)630 1698 A
2370(=)S
(dev;)168 2454 A
6120 V
(26883)210 648 A
(major)210 1698 A
1950(=)S
((dev)168 2034 A
2244(>>)S
(MAJOR))252 2370 A
2664(&)S
(BYTE;)210 2748 A
3042(/*)S
(major)210 3168 A
(device)252 3420 A
3714(nr)S
3840(*/)S
6210 V
(26884)210 648 A
(task)168 1698 A
1908(=)S
(dmap[major].dmap_task;)924 1992 A
3042(/*)S
(device)252 3168 A
(task)168 3462 A
3672(nr)S
3798(*/)S
8418 V
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630 V
10 R
648(MINIX)S
976(SOURCE)S
1399(CODE)S
11 R
2141(File:)S
2374(src/fs/misc.c)S
12 B
(371)180 4248 A
900 V
7 LST
(26885)210 648 A
((*dmap[major].dmap_close)(task,)1302 1698 A
(&dev_mess);)462 3042 A
990 V
(26886)210 648 A
(rfilp->filp_mode)672 1698 A
2412(=)S
(FILP_CLOSED;)504 2496 A
1080 V
(26887)210 648 A
1362(})S
1170 V
(26888)210 648 A
1110(})S
1260 V
(26889)210 648 A
(return(OK);)462 1110 A
1350 V
(26890)210 648 A
1026(})S
1620 V
(26893)210 648 A
(/*===========================================================================*)3276 1026 A
1710 V
(26894)210 648 A
1068(*)S
(do_set)252 2370 A
4260(*)S
1800 V
(26895)210 648 A
(*===========================================================================*/)3276 1068 A
1890 V
(26896)210 648 A
(PUBLIC)252 1026 A
(int)126 1320 A
(do_set())336 1488 A
1980 V
(26897)210 648 A
1026({)S
2070 V
(26898)210 648 A
1026(/*)S
(Set)126 1152 A
(uid_t)210 1320 A
1572(or)S
(gid_t)210 1698 A
(field.)252 1950 A
2244(*/)S
2160 V
(26899)210 648 A
2250 V
(26900)210 648 A
(register)336 1110 A
(struct)252 1488 A
(fproc)210 1782 A
(*tfp;)210 2034 A
2340 V
(26901)210 648 A
2430 V
(26902)210 648 A
1110(/*)S
(Only)168 1236 A
1446(MM)S
(may)126 1572 A
(make)168 1740 A
(this)168 1950 A
(call)168 2160 A
(directly.)378 2370 A
2790(*/)S
2520 V
(26903)210 648 A
1110(if)S
((who)168 1236 A
1446(!=)S
(MM_PROC_NR))462 1572 A
(return(EGENERIC);)714 2076 A
2610 V
(26904)210 648 A
2700 V
(26905)210 648 A
(tfp)126 1110 A
1278(=)S
(&fproc[slot1];)588 1362 A
2790 V
(26906)210 648 A
1110(if)S
((fs_call)336 1236 A
1614(==)S
(SETUID))294 1740 A
2076({)S
2880 V
(26907)210 648 A
(tfp->fp_realuid)630 1362 A
2034(=)S
((uid_t))294 2118 A
(real_user_id;)546 2454 A
2970 V
(26908)210 648 A
(tfp->fp_effuid)588 1362 A
1992(=)S
((uid_t))294 2118 A
(eff_user_id;)504 2454 A
3060 V
(26909)210 648 A
1110(})S
3150 V
(26910)210 648 A
1110(if)S
((fs_call)336 1236 A
1614(==)S
(SETGID))294 1740 A
2076({)S
3240 V
(26911)210 648 A
(tfp->fp_effgid)588 1362 A
1992(=)S
((gid_t))294 2118 A
(eff_grp_id;)462 2454 A
3330 V
(26912)210 648 A
(tfp->fp_realgid)630 1362 A
2034(=)S
((gid_t))294 2118 A
(real_grp_id;)504 2454 A
3420 V
(26913)210 648 A
1110(})S
3510 V
(26914)210 648 A
(return(OK);)462 1110 A
3600 V
(26915)210 648 A
1026(})S
3870 V
(26918)210 648 A
(/*===========================================================================*)3276 1026 A
3960 V
(26919)210 648 A
1068(*)S
(do_revive)378 2370 A
4260(*)S
4050 V
(26920)210 648 A
(*===========================================================================*/)3276 1068 A
4140 V
(26921)210 648 A
(PUBLIC)252 1026 A
(int)126 1320 A
(do_revive())462 1488 A
4230 V
(26922)210 648 A
1026({)S
4320 V
(26923)210 648 A
1026(/*)S
1152(A)S
(task,)210 1236 A
(typically)378 1488 A
(TTY,)168 1908 A
(has)126 2118 A
(now)126 2286 A
(gotten)252 2454 A
(the)126 2748 A
(characters)420 2916 A
(that)168 3378 A
(were)168 3588 A
(needed)252 3798 A
(for)126 4092 A
4260(a)S
4410 V
(26924)210 648 A
1068(*)S
(previous)336 1152 A
(read.)210 1530 A
(The)126 1824 A
(process)294 1992 A
(did)126 2328 A
(not)126 2496 A
(get)126 2664 A
2832(a)S
(reply)210 2916 A
(when)168 3168 A
3378(it)S
(made)168 3504 A
(the)126 3714 A
(call.)210 3882 A
4500 V
(26925)210 648 A
1068(*)S
(Instead)294 1152 A
1488(it)S
(was)126 1614 A
(suspended.)420 1782 A
(Now)126 2286 A
2454(we)S
(can)126 2580 A
(send)168 2748 A
(the)126 2958 A
(reply)210 3126 A
3378(to)S
(wake)168 3504 A
3714(it)S
(up.)126 3840 A
(This)168 4050 A
4590 V
(26926)210 648 A
1068(*)S
(business)336 1152 A
(has)126 1530 A
1698(to)S
1824(be)S
(done)168 1950 A
(carefully,)420 2160 A
(since)210 2622 A
(the)126 2874 A
(incoming)336 3042 A
(message)294 3420 A
3756(is)S
(from)168 3882 A
4680 V
(26927)210 648 A
1068(*)S
1152(a)S
(task)168 1236 A
((to)126 1446 A
(which)210 1614 A
1866(no)S
(reply)210 1992 A
(can)126 2244 A
2412(be)S
(sent),)252 2538 A
(and)126 2832 A
(the)126 3000 A
(reply)210 3168 A
(must)168 3420 A
3630(go)S
3756(to)S
3882(a)S
(process)294 3966 A
4770 V
(26928)210 648 A
1068(*)S
(that)168 1152 A
(blocked)294 1362 A
(earlier.)336 1698 A
(The)126 2118 A
(reply)210 2286 A
2538(to)S
(the)126 2664 A
(caller)252 2832 A
3126(is)S
(inhibited)378 3252 A
3672(by)S
(setting)294 3798 A
(the)126 4134 A
4860 V
(26929)210 648 A
1068(*)S
('dont_reply')504 1152 A
(flag,)210 1698 A
(and)126 1950 A
(the)126 2118 A
(reply)210 2286 A
2538(to)S
(the)126 2664 A
(blocked)294 2832 A
(process)294 3168 A
3504(is)S
(done)168 3630 A
(explicitly)420 3840 A
4950 V
(26930)210 648 A
1068(*)S
1152(in)S
(revive().)378 1278 A
5040 V
(26931)210 648 A
1068(*/)S
5130 V
(26932)210 648 A
5220 V
(26933)210 648 A
(#if)126 1026 A
(!ALLOW_USER_SEND)672 1194 A
5310 V
(26934)210 648 A
1110(if)S
((who)168 1236 A
1446(>=)S
(LOW_USER))378 1572 A
(return(EPERM);)588 1992 A
5400 V
(26935)210 648 A
(#endif)252 1026 A
5490 V
(26936)210 648 A
5580 V
(26937)210 648 A
(revive(m.REP_PROC_NR,)882 1110 A
(m.REP_STATUS);)588 2034 A
5670 V
(26938)210 648 A
(dont_reply)420 1110 A
1572(=)S
(TRUE;)210 1656 A
2370(/*)S
(don't)210 2496 A
(reply)210 2748 A
3000(to)S
(the)126 3126 A
(TTY)126 3294 A
(task)168 3462 A
3672(*/)S
5760 V
(26939)210 648 A
(return(OK);)462 1110 A
5850 V
(26940)210 648 A
1026(})S
8418 V
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630 V
12 B
(372)180 648 A
11 R
2101(File:)S
2334(src/fs/device.c)S
10 R
3402(MINIX)S
3730(SOURCE)S
4153(CODE)S
990 V
7 LST
(++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++)3528 648 A
1080 V
(src/fs/device.c)630 2034 A
1170 V
(++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++)3528 648 A
1350 V
(27000)210 648 A
1026(/*)S
(When)168 1152 A
1362(a)S
(needed)252 1446 A
(block)210 1740 A
1992(is)S
(not)126 2118 A
2286(in)S
(the)126 2412 A
(cache,)252 2580 A
2874(it)S
(must)168 3000 A
3210(be)S
(fetched)294 3336 A
(from)168 3672 A
(the)126 3882 A
(disk.)210 4050 A
1440 V
(27001)210 648 A
1068(*)S
(Special)294 1152 A
(character)378 1488 A
(files)210 1908 A
(also)168 2160 A
(require)294 2370 A
(I/O.)168 2706 A
(The)126 2958 A
(routines)336 3126 A
(for)126 3504 A
(these)210 3672 A
(are)126 3924 A
(here.)210 4092 A
1530 V
(27002)210 648 A
1068(*)S
1620 V
(27003)210 648 A
1068(*)S
(The)126 1152 A
(entry)210 1320 A
(points)252 1572 A
1866(in)S
(this)168 1992 A
(file)168 2202 A
(are:)168 2412 A
1710 V
(27004)210 648 A
1068(*)S
(dev_io:)294 1236 A
(perform)294 1740 A
2076(a)S
(read)168 2160 A
2370(or)S
(write)210 2496 A
2748(on)S
2874(a)S
(block)210 2958 A
3210(or)S
(character)378 3336 A
(device)252 3756 A
1800 V
(27005)210 648 A
1068(*)S
(dev_opcl:)378 1236 A
(perform)294 1740 A
(generic)294 2076 A
(device-specific)630 2412 A
(processing)420 3084 A
(for)126 3546 A
(open)168 3714 A
3924(&)S
(close)210 4008 A
1890 V
(27006)210 648 A
1068(*)S
(tty_open:)378 1236 A
(perform)294 1740 A
(tty-specific)504 2076 A
(processing)420 2622 A
(for)126 3084 A
(open)168 3252 A
1980 V
(27007)210 648 A
1068(*)S
(ctty_open:)420 1236 A
(perform)294 1740 A
(controlling-tty-specific)1008 2076 A
(processing)420 3126 A
(for)126 3588 A
(open)168 3756 A
2070 V
(27008)210 648 A
1068(*)S
(ctty_close:)462 1236 A
(perform)294 1740 A
(controlling-tty-specific)1008 2076 A
(processing)420 3126 A
(for)126 3588 A
(close)210 3756 A
2160 V
(27009)210 648 A
1068(*)S
(do_setsid:)420 1236 A
(perform)294 1740 A
(the)126 2076 A
(SETSID)252 2244 A
(system)252 2538 A
(call)168 2832 A
((FS)126 3042 A
(side))210 3210 A
2250 V
(27010)210 648 A
1068(*)S
(do_ioctl:)378 1236 A
(perform)294 1740 A
(the)126 2076 A
(IOCTL)210 2244 A
(system)252 2496 A
(call)168 2790 A
2340 V
(27011)210 648 A
1068(*)S
(call_task:)420 1236 A
(procedure)378 1740 A
(that)168 2160 A
(actually)336 2370 A
(calls)210 2748 A
(the)126 3000 A
(kernel)252 3168 A
(tasks)210 3462 A
2430 V
(27012)210 648 A
1068(*)S
(call_ctty:)420 1236 A
(procedure)378 1740 A
(that)168 2160 A
(actually)336 2370 A
(calls)210 2748 A
(task)168 3000 A
(for)126 3210 A
(/dev/tty)336 3378 A
2520 V
(27013)210 648 A
1068(*/)S
2610 V
(27014)210 648 A
2700 V
(27015)210 648 A
(#include)336 1026 A
("fs.h")252 1404 A
2790 V
(27016)210 648 A
(#include)336 1026 A
(<fcntl.h>)378 1404 A
2880 V
(27017)210 648 A
(#include)336 1026 A
(<minix/callnr.h>)672 1404 A
2970 V
(27018)210 648 A
(#include)336 1026 A
(<minix/com.h>)546 1404 A
3060 V
(27019)210 648 A
(#include)336 1026 A
("dev.h")294 1404 A
3150 V
(27020)210 648 A
(#include)336 1026 A
("file.h")336 1404 A
3240 V
(27021)210 648 A
(#include)336 1026 A
("fproc.h")378 1404 A
3330 V
(27022)210 648 A
(#include)336 1026 A
("inode.h")378 1404 A
3420 V
(27023)210 648 A
(#include)336 1026 A
("param.h")378 1404 A
3510 V
(27024)210 648 A
3600 V
(27025)210 648 A
(PRIVATE)294 1026 A
(message)294 1362 A
(dev_mess;)378 1698 A
3690 V
(27026)210 648 A
(PRIVATE)294 1026 A
(major,)252 1362 A
(minor,)252 1656 A
(task;)210 1950 A
3780 V
(27027)210 648 A
3870 V
(27028)210 648 A
(FORWARD)294 1026 A
(_PROTOTYPE()462 1362 A
(void)168 1866 A
(find_dev,)378 2076 A
((Dev_t)252 2496 A
(dev))168 2790 A
4050();)S
3960 V
(27029)210 648 A
4050 V
(27030)210 648 A
(/*===========================================================================*)3276 1026 A
4140 V
(27031)210 648 A
1068(*)S
(dev_io)252 2370 A
4260(*)S
4230 V
(27032)210 648 A
(*===========================================================================*/)3276 1068 A
4320 V
(27033)210 648 A
(PUBLIC)252 1026 A
(int)126 1320 A
(dev_io(op,)420 1488 A
(nonblock,)378 1950 A
(dev,)168 2370 A
(pos,)168 2580 A
(bytes,)252 2790 A
(proc,)210 3084 A
(buff))210 3336 A
4410 V
(27034)210 648 A
(int)126 1026 A
(op;)126 1194 A
2370(/*)S
(DEV_READ,)378 2496 A
(DEV_WRITE,)420 2916 A
(DEV_IOCTL,)420 3378 A
(etc.)168 3840 A
4050(*/)S
4500 V
(27035)210 648 A
(int)126 1026 A
(nonblock;)378 1194 A
2370(/*)S
(TRUE)168 2496 A
2706(if)S
(nonblocking)462 2832 A
3336(op)S
3462(*/)S
4590 V
(27036)210 648 A
(dev_t)210 1026 A
(dev;)168 1278 A
2370(/*)S
(major-minor)462 2496 A
(device)252 3000 A
(number)252 3294 A
3588(*/)S
4680 V
(27037)210 648 A
(off_t)210 1026 A
(pos;)168 1278 A
2370(/*)S
(byte)168 2496 A
(position)336 2706 A
3084(*/)S
4770 V
(27038)210 648 A
(int)126 1026 A
(bytes;)252 1194 A
2370(/*)S
(how)126 2496 A
(many)168 2664 A
(bytes)210 2874 A
3126(to)S
(transfer)336 3252 A
3630(*/)S
4860 V
(27039)210 648 A
(int)126 1026 A
(proc;)210 1194 A
2370(/*)S
2496(in)S
(whose)210 2622 A
(address)294 2874 A
(space)210 3210 A
3462(is)S
(buff?)210 3588 A
3840(*/)S
4950 V
(27040)210 648 A
(char)168 1026 A
(*buff;)252 1236 A
2370(/*)S
(virtual)294 2496 A
(address)294 2832 A
3168(of)S
(the)126 3294 A
(buffer)252 3462 A
3756(*/)S
5040 V
(27041)210 648 A
1026({)S
5130 V
(27042)210 648 A
1026(/*)S
(Read)168 1152 A
1362(or)S
(write)210 1488 A
(from)168 1740 A
1950(a)S
(device.)294 2034 A
(The)126 2412 A
(parameter)378 2580 A
('dev')210 3000 A
(tells)210 3252 A
(which)210 3504 A
(one.)168 3756 A
3966(*/)S
5220 V
(27043)210 648 A
5310 V
(27044)210 648 A
(find_dev(dev);)588 1110 A
2370(/*)S
(load)168 2496 A
(the)126 2706 A
(variables)378 2874 A
(major,)252 3294 A
(minor,)252 3588 A
(and)126 3882 A
(task)168 4050 A
4260(*/)S
5400 V
(27045)210 648 A
5490 V
(27046)210 648 A
1110(/*)S
(Set)126 1236 A
1404(up)S
(the)126 1530 A
(message)294 1698 A
(passed)252 2034 A
2328(to)S
(task.)210 2454 A
2706(*/)S
5580 V
(27047)210 648 A
(dev_mess.m_type)630 1110 A
1866(=)S
(op;)126 1950 A
5670 V
(27048)210 648 A
(dev_mess.DEVICE)630 1110 A
1866(=)S
((dev)168 1950 A
2160(>>)S
(MINOR))252 2286 A
2580(&)S
(BYTE;)210 2664 A
5760 V
(27049)210 648 A
(dev_mess.POSITION)714 1110 A
1866(=)S
(pos;)168 1950 A
5850 V
(27050)210 648 A
(dev_mess.PROC_NR)672 1110 A
1866(=)S
(proc;)210 1950 A
5940 V
(27051)210 648 A
(dev_mess.ADDRESS)672 1110 A
1866(=)S
(buff;)210 1950 A
6030 V
(27052)210 648 A
(dev_mess.COUNT)588 1110 A
1866(=)S
(bytes;)252 1950 A
6120 V
(27053)210 648 A
(dev_mess.TTY_FLAGS)756 1110 A
1908(=)S
(nonblock;)378 1992 A
2412(/*)S
(temporary)378 2538 A
(kludge)252 2958 A
3252(*/)S
6210 V
(27054)210 648 A
8418 V
EP
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BP
/slant 0 def
/height 0 def
630 V
10 R
648(MINIX)S
976(SOURCE)S
1399(CODE)S
11 R
2101(File:)S
2334(src/fs/device.c)S
12 B
(373)180 4248 A
900 V
7 LST
(27055)210 648 A
1110(/*)S
(Call)168 1236 A
(the)126 1446 A
(task.)210 1614 A
1866(*/)S
990 V
(27056)210 648 A
((*dmap[major].dmap_rw)(task,)1176 1110 A
(&dev_mess);)462 2328 A
1080 V
(27057)210 648 A
1170 V
(27058)210 648 A
1110(/*)S
(Task)168 1236 A
(has)126 1446 A
(completed.)420 1614 A
(See)126 2118 A
2286(if)S
(call)168 2412 A
(completed.)420 2622 A
3084(*/)S
1260 V
(27059)210 648 A
1110(if)S
((dev_mess.REP_STATUS)840 1236 A
2118(==)S
(SUSPEND))336 2244 A
2622({)S
1350 V
(27060)210 648 A
1362(if)S
((op)126 1488 A
1656(==)S
(DEV_OPEN))378 1782 A
(task)168 2202 A
2412(=)S
(XPOPEN;)294 2496 A
1440 V
(27061)210 648 A
(suspend(task);)588 1362 A
2370(/*)S
(suspend)294 2496 A
(user)168 2832 A
3042(*/)S
1530 V
(27062)210 648 A
1110(})S
1620 V
(27063)210 648 A
1710 V
(27064)210 648 A
(return(dev_mess.REP_STATUS);)1176 1110 A
1800 V
(27065)210 648 A
1026(})S
2070 V
(27068)210 648 A
(/*===========================================================================*)3276 1026 A
2160 V
(27069)210 648 A
1068(*)S
(dev_opcl)336 2370 A
4260(*)S
2250 V
(27070)210 648 A
(*===========================================================================*/)3276 1068 A
2340 V
(27071)210 648 A
(PUBLIC)252 1026 A
(void)168 1320 A
(dev_opcl(task_nr,)714 1530 A
(mess_ptr))378 2286 A
2430 V
(27072)210 648 A
(int)126 1026 A
(task_nr;)336 1194 A
2370(/*)S
(which)210 2496 A
(task)168 2748 A
2958(*/)S
2520 V
(27073)210 648 A
(message)294 1026 A
(*mess_ptr;)420 1362 A
2370(/*)S
(message)294 2496 A
(pointer)294 2832 A
3168(*/)S
2610 V
(27074)210 648 A
1026({)S
2700 V
(27075)210 648 A
1026(/*)S
(Called)252 1152 A
(from)168 1446 A
(the)126 1656 A
(dmap)168 1824 A
(struct)252 2034 A
2328(in)S
(table.c)294 2454 A
2790(on)S
(opens)210 2916 A
3168(&)S
(closes)252 3252 A
3546(of)S
(special)294 3672 A
(files.*/)336 4008 A
2790 V
(27076)210 648 A
2880 V
(27077)210 648 A
(int)126 1110 A
(op;)126 1278 A
2970 V
(27078)210 648 A
3060 V
(27079)210 648 A
1110(op)S
1236(=)S
(mess_ptr->m_type;)714 1320 A
2370(/*)S
(save)168 2496 A
(DEV_OPEN)336 2706 A
3084(or)S
(DEV_CLOSE)378 3210 A
(for)126 3630 A
(later)210 3798 A
4050(*/)S
3150 V
(27080)210 648 A
(mess_ptr->DEVICE)672 1110 A
1824(=)S
((mess_ptr->DEVICE)714 1908 A
2664(>>)S
(MINOR))252 2790 A
3084(&)S
(BYTE;)210 3168 A
3240 V
(27081)210 648 A
(mess_ptr->PROC_NR)714 1110 A
1866(=)S
1950(fp)S
2076(-)S
(fproc;)252 2160 A
3330 V
(27082)210 648 A
3420 V
(27083)210 648 A
(call_task(task_nr,)756 1110 A
(mess_ptr);)420 1908 A
3510 V
(27084)210 648 A
3600 V
(27085)210 648 A
1110(/*)S
(Task)168 1236 A
(has)126 1446 A
(completed.)420 1614 A
(See)126 2118 A
2286(if)S
(call)168 2412 A
(completed.)420 2622 A
3084(*/)S
3690 V
(27086)210 648 A
1110(if)S
((mess_ptr->REP_STATUS)882 1236 A
2160(==)S
(SUSPEND))336 2286 A
2664({)S
3780 V
(27087)210 648 A
1362(if)S
((op)126 1488 A
1656(==)S
(DEV_OPEN))378 1782 A
(task_nr)294 2202 A
2538(=)S
(XPOPEN;)294 2622 A
3870 V
(27088)210 648 A
(suspend(task_nr);)714 1362 A
2370(/*)S
(suspend)294 2496 A
(user)168 2832 A
3042(*/)S
3960 V
(27089)210 648 A
1110(})S
4050 V
(27090)210 648 A
1026(})S
4230 V
(27092)210 648 A
(/*===========================================================================*)3276 1026 A
4320 V
(27093)210 648 A
1068(*)S
(tty_open)336 2370 A
4260(*)S
4410 V
(27094)210 648 A
(*===========================================================================*/)3276 1068 A
4500 V
(27095)210 648 A
(PUBLIC)252 1026 A
(void)168 1320 A
(tty_open(task_nr,)714 1530 A
(mess_ptr))378 2286 A
4590 V
(27096)210 648 A
(int)126 1026 A
(task_nr;)336 1194 A
4680 V
(27097)210 648 A
(message)294 1026 A
(*mess_ptr;)420 1362 A
4770 V
(27098)210 648 A
1026({)S
4860 V
(27099)210 648 A
1026(/*)S
(This)168 1152 A
(procedure)378 1362 A
1782(is)S
(called)252 1908 A
(from)168 2202 A
(the)126 2412 A
(dmap)168 2580 A
(struct)252 2790 A
3084(in)S
(table.c)294 3210 A
3546(on)S
(tty)126 3672 A
(opens.)252 3840 A
4134(*/)S
4950 V
(27100)210 648 A
5040 V
(27101)210 648 A
(int)126 1110 A
1278(r;)S
5130 V
(27102)210 648 A
(dev_t)210 1110 A
(dev;)168 1362 A
5220 V
(27103)210 648 A
(int)126 1110 A
(flags,)252 1278 A
(proc;)210 1572 A
5310 V
(27104)210 648 A
(register)336 1110 A
(struct)252 1488 A
(fproc)210 1782 A
(*rfp;)210 2034 A
5400 V
(27105)210 648 A
5490 V
(27106)210 648 A
(dev)126 1110 A
1278(=)S
((dev_t))294 1362 A
(mess_ptr->DEVICE;)714 1698 A
5580 V
(27107)210 648 A
(flags)210 1110 A
1362(=)S
(mess_ptr->COUNT;)672 1446 A
5670 V
(27108)210 648 A
(proc)168 1110 A
1320(=)S
1404(fp)S
1530(-)S
(fproc;)252 1614 A
5760 V
(27109)210 648 A
5850 V
(27110)210 648 A
1110(/*)S
(Add)126 1236 A
(O_NOCTTY)336 1404 A
1782(to)S
(the)126 1908 A
(flags)210 2076 A
2328(if)S
(this)168 2454 A
(process)294 2664 A
3000(is)S
(not)126 3126 A
3294(a)S
(session)294 3378 A
(leader,)294 3714 A
4050(or)S
5940 V
(27111)210 648 A
1152(*)S
1236(if)S
1362(it)S
(already)294 1488 A
(has)126 1824 A
1992(a)S
(controlling)462 2076 A
(tty,)168 2580 A
2790(or)S
2916(if)S
3042(it)S
3168(is)S
(someone)294 3294 A
(elses)210 3630 A
6030 V
(27112)210 648 A
1152(*)S
(controlling)462 1236 A
(tty.)168 1740 A
6120 V
(27113)210 648 A
1152(*/)S
6210 V
(27114)210 648 A
1110(if)S
((!fp->fp_sesldr)630 1236 A
1908(||)S
(fp->fp_tty)420 2034 A
2496(!=)S
2622(0))S
2748({)S
8418 V
EP
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/slant 0 def
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630 V
12 B
(374)180 648 A
11 R
2101(File:)S
2334(src/fs/device.c)S
10 R
3402(MINIX)S
3730(SOURCE)S
4153(CODE)S
900 V
7 LST
(27115)210 648 A
(flags)210 1362 A
1614(|=)S
(O_NOCTTY;)378 1740 A
990 V
(27116)210 648 A
1110(})S
(else)168 1194 A
1404({)S
1080 V
(27117)210 648 A
(for)126 1362 A
((rfp)168 1530 A
1740(=)S
(&fproc[LOW_USER];)714 1824 A
(rfp)126 2580 A
2748(<)S
(&fproc[NR_PROCS];)714 2832 A
(rfp++))252 3588 A
3882({)S
1170 V
(27118)210 648 A
1698(if)S
((rfp->fp_tty)504 1824 A
2370(==)S
(dev))168 2496 A
(flags)210 2706 A
2958(|=)S
(O_NOCTTY;)378 3084 A
1260 V
(27119)210 648 A
1362(})S
1350 V
(27120)210 648 A
1110(})S
1440 V
(27121)210 648 A
1530 V
(27122)210 648 A
1110(r)S
1194(=)S
(dev_io(DEV_OPEN,)672 1278 A
(mode,)210 1992 A
(dev,)168 2244 A
((off_t))294 2454 A
2790(0,)S
(flags,)252 2916 A
(proc,)210 3210 A
(NIL_PTR);)378 3462 A
1620 V
(27123)210 648 A
1710 V
(27124)210 648 A
1110(if)S
1236((r)S
1362(==)S
1488(1))S
1614({)S
1800 V
(27125)210 648 A
(fp->fp_tty)420 1362 A
1824(=)S
(dev;)168 1908 A
1890 V
(27126)210 648 A
1362(r)S
1446(=)S
(OK;)126 1530 A
1980 V
(27127)210 648 A
1110(})S
2070 V
(27128)210 648 A
2160 V
(27129)210 648 A
(mess_ptr->REP_STATUS)840 1110 A
1992(=)S
2076(r;)S
2250 V
(27130)210 648 A
1026(})S
2520 V
(27133)210 648 A
(/*===========================================================================*)3276 1026 A
2610 V
(27134)210 648 A
1068(*)S
(ctty_open)378 2370 A
4260(*)S
2700 V
(27135)210 648 A
(*===========================================================================*/)3276 1068 A
2790 V
(27136)210 648 A
(PUBLIC)252 1026 A
(void)168 1320 A
(ctty_open(task_nr,)756 1530 A
(mess_ptr))378 2328 A
2880 V
(27137)210 648 A
(int)126 1026 A
(task_nr;)336 1194 A
2970 V
(27138)210 648 A
(message)294 1026 A
(*mess_ptr;)420 1362 A
3060 V
(27139)210 648 A
1026({)S
3150 V
(27140)210 648 A
1026(/*)S
(This)168 1152 A
(procedure)378 1362 A
1782(is)S
(called)252 1908 A
(from)168 2202 A
(the)126 2412 A
(dmap)168 2580 A
(struct)252 2790 A
3084(in)S
(table.c)294 3210 A
3546(on)S
(opening)294 3672 A
3240 V
(27141)210 648 A
1068(*)S
(/dev/tty,)378 1152 A
(the)126 1572 A
(magic)210 1740 A
(device)252 1992 A
(that)168 2286 A
(translates)420 2496 A
2958(to)S
(the)126 3084 A
(controlling)462 3252 A
(tty.)168 3756 A
3330 V
(27142)210 648 A
1068(*/)S
3420 V
(27143)210 648 A
3510 V
(27144)210 648 A
(mess_ptr->REP_STATUS)840 1110 A
1992(=)S
(fp->fp_tty)420 2076 A
2538(==)S
2664(0)S
2748(?)S
(ENXIO)210 2832 A
3084(:)S
(OK;)126 3168 A
3600 V
(27145)210 648 A
1026(})S
3870 V
(27148)210 648 A
(/*===========================================================================*)3276 1026 A
3960 V
(27149)210 648 A
1068(*)S
(ctty_close)420 2370 A
4260(*)S
4050 V
(27150)210 648 A
(*===========================================================================*/)3276 1068 A
4140 V
(27151)210 648 A
(PUBLIC)252 1026 A
(void)168 1320 A
(ctty_close(task_nr,)798 1530 A
(mess_ptr))378 2370 A
4230 V
(27152)210 648 A
(int)126 1026 A
(task_nr;)336 1194 A
4320 V
(27153)210 648 A
(message)294 1026 A
(*mess_ptr;)420 1362 A
4410 V
(27154)210 648 A
1026({)S
4500 V
(27155)210 648 A
1026(/*)S
(Close)210 1152 A
(/dev/tty.)378 1404 A
1824(*/)S
4590 V
(27156)210 648 A
4680 V
(27157)210 648 A
(mess_ptr->REP_STATUS)840 1110 A
1992(=)S
(OK;)126 2076 A
4770 V
(27158)210 648 A
1026(})S
5040 V
(27161)210 648 A
(/*===========================================================================*)3276 1026 A
5130 V
(27162)210 648 A
1068(*)S
(do_setsid)378 2370 A
4260(*)S
5220 V
(27163)210 648 A
(*===========================================================================*/)3276 1068 A
5310 V
(27164)210 648 A
(PUBLIC)252 1026 A
(int)126 1320 A
(do_setsid())462 1488 A
5400 V
(27165)210 648 A
1026({)S
5490 V
(27166)210 648 A
1026(/*)S
(Perform)294 1152 A
(the)126 1488 A
1656(FS)S
(side)168 1782 A
1992(of)S
(the)126 2118 A
(SETSID)252 2286 A
(call,)210 2580 A
(i.e.)168 2832 A
(get)126 3042 A
(rid)126 3210 A
3378(of)S
(the)126 3504 A
(controlling)462 3672 A
5580 V
(27167)210 648 A
1068(*)S
(terminal)336 1152 A
1530(of)S
1656(a)S
(process,)336 1740 A
(and)126 2118 A
(make)168 2286 A
(the)126 2496 A
(process)294 2664 A
3000(a)S
(session)294 3084 A
(leader.)294 3420 A
5670 V
(27168)210 648 A
1068(*/)S
5760 V
(27169)210 648 A
(register)336 1110 A
(struct)252 1488 A
(fproc)210 1782 A
(*rfp;)210 2034 A
5850 V
(27170)210 648 A
5940 V
(27171)210 648 A
1110(/*)S
(Only)168 1236 A
1446(MM)S
(may)126 1572 A
1740(do)S
(the)126 1866 A
(SETSID)252 2034 A
(call)168 2328 A
(directly.)378 2538 A
2958(*/)S
6030 V
(27172)210 648 A
1110(if)S
((who)168 1236 A
1446(!=)S
(MM_PROC_NR))462 1572 A
(return(ENOSYS);)630 2076 A
6120 V
(27173)210 648 A
6210 V
(27174)210 648 A
1110(/*)S
(Make)168 1236 A
(the)126 1446 A
(process)294 1614 A
1950(a)S
(session)294 2034 A
(leader)252 2370 A
(with)168 2664 A
2874(no)S
(controlling)462 3000 A
(tty.)168 3504 A
3714(*/)S
8418 V
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/slant 0 def
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630 V
10 R
648(MINIX)S
976(SOURCE)S
1399(CODE)S
11 R
2101(File:)S
2334(src/fs/device.c)S
12 B
(375)180 4248 A
900 V
7 LST
(27175)210 648 A
(rfp)126 1110 A
1278(=)S
(&fproc[slot1];)588 1362 A
990 V
(27176)210 648 A
(rfp->fp_sesldr)588 1110 A
1740(=)S
(TRUE;)210 1824 A
1080 V
(27177)210 648 A
(rfp->fp_tty)462 1110 A
1614(=)S
1698(0;)S
1170 V
(27178)210 648 A
1026(})S
1440 V
(27181)210 648 A
(/*===========================================================================*)3276 1026 A
1530 V
(27182)210 648 A
1068(*)S
(do_ioctl)336 2370 A
4260(*)S
1620 V
(27183)210 648 A
(*===========================================================================*/)3276 1068 A
1710 V
(27184)210 648 A
(PUBLIC)252 1026 A
(int)126 1320 A
(do_ioctl())420 1488 A
1800 V
(27185)210 648 A
1026({)S
1890 V
(27186)210 648 A
1026(/*)S
(Perform)294 1152 A
(the)126 1488 A
(ioctl(ls_fd,)504 1656 A
(request,)336 2202 A
(argx))210 2580 A
(system)252 2832 A
(call)168 3126 A
((uses)210 3336 A
3588(m2)S
(fmt).)210 3714 A
3966(*/)S
1980 V
(27187)210 648 A
2070 V
(27188)210 648 A
(struct)252 1110 A
(filp)168 1404 A
(*f;)126 1614 A
2160 V
(27189)210 648 A
(register)336 1110 A
(struct)252 1488 A
(inode)210 1782 A
(*rip;)210 2034 A
2250 V
(27190)210 648 A
(dev_t)210 1110 A
(dev;)168 1362 A
2340 V
(27191)210 648 A
2430 V
(27192)210 648 A
1110(if)S
1236(()S
1320((f)S
1446(=)S
(get_filp(ls_fd)))672 1530 A
2244(==)S
(NIL_FILP))378 2370 A
(return(err_code);)714 2790 A
2520 V
(27193)210 648 A
(rip)126 1110 A
1278(=)S
(f->filp_ino;)504 1362 A
2370(/*)S
(get)126 2496 A
(inode)210 2664 A
(pointer)294 2916 A
3252(*/)S
2610 V
(27194)210 648 A
1110(if)S
1236(()S
((rip->i_mode)504 1320 A
1866(&)S
(I_TYPE))294 1950 A
2286(!=)S
(I_CHAR_SPECIAL)588 2412 A
2700 V
(27195)210 648 A
1362(&&)S
((rip->i_mode)504 1488 A
2034(&)S
(I_TYPE))294 2118 A
2454(!=)S
(I_BLOCK_SPECIAL))672 2580 A
(return(ENOTTY);)630 3294 A
2790 V
(27196)210 648 A
(dev)126 1110 A
1278(=)S
((dev_t))294 1362 A
(rip->i_zone[0];)630 1698 A
2880 V
(27197)210 648 A
(find_dev(dev);)588 1110 A
2970 V
(27198)210 648 A
3060 V
(27199)210 648 A
(dev_mess=)378 1110 A
1530(m;)S
3150 V
(27200)210 648 A
3240 V
(27201)210 648 A
(dev_mess.m_type)630 1110 A
1824(=)S
(DEV_IOCTL;)420 1908 A
3330 V
(27202)210 648 A
(dev_mess.PROC_NR)672 1110 A
1824(=)S
(who;)168 1908 A
3420 V
(27203)210 648 A
(dev_mess.TTY_LINE)714 1110 A
1866(=)S
(minor;)252 1950 A
3510 V
(27204)210 648 A
3600 V
(27205)210 648 A
1110(/*)S
(Call)168 1236 A
(the)126 1446 A
(task.)210 1614 A
1866(*/)S
3690 V
(27206)210 648 A
((*dmap[major].dmap_rw)(task,)1176 1110 A
(&dev_mess);)462 2328 A
3780 V
(27207)210 648 A
3870 V
(27208)210 648 A
1110(/*)S
(Task)168 1236 A
(has)126 1446 A
(completed.)420 1614 A
(See)126 2118 A
2286(if)S
(call)168 2412 A
(completed.)420 2622 A
3084(*/)S
3960 V
(27209)210 648 A
1110(if)S
((dev_mess.REP_STATUS)840 1236 A
2118(==)S
(SUSPEND))336 2244 A
2622({)S
4050 V
(27210)210 648 A
1362(if)S
((f->filp_flags)588 1488 A
2118(&)S
(O_NONBLOCK))462 2202 A
2706({)S
4140 V
(27211)210 648 A
1698(/*)S
(Not)126 1824 A
(supposed)336 1992 A
2370(to)S
(block.)252 2496 A
2790(*/)S
4230 V
(27212)210 648 A
(dev_mess.m_type)630 1698 A
2370(=)S
(CANCEL;)294 2454 A
4320 V
(27213)210 648 A
(dev_mess.PROC_NR)672 1698 A
2412(=)S
(who;)168 2496 A
4410 V
(27214)210 648 A
(dev_mess.TTY_LINE)714 1698 A
2454(=)S
(minor;)252 2538 A
4500 V
(27215)210 648 A
((*dmap[major].dmap_rw)(task,)1176 1698 A
(&dev_mess);)462 2916 A
4590 V
(27216)210 648 A
1698(if)S
((dev_mess.REP_STATUS)840 1824 A
2706(==)S
(EINTR))252 2832 A
(dev_mess.REP_STATUS)798 3126 A
3966(=)S
(EAGAIN;)294 4050 A
4680 V
(27217)210 648 A
1362(})S
(else)168 1446 A
1656({)S
4770 V
(27218)210 648 A
(suspend(task);)588 1698 A
2706(/*)S
(User)168 2832 A
(must)168 3042 A
3252(be)S
(suspended.)420 3378 A
3840(*/)S
4860 V
(27219)210 648 A
1362(})S
4950 V
(27220)210 648 A
1110(})S
5040 V
(27221)210 648 A
(return(dev_mess.REP_STATUS);)1176 1110 A
5130 V
(27222)210 648 A
1026(})S
5400 V
(27225)210 648 A
(/*===========================================================================*)3276 1026 A
5490 V
(27226)210 648 A
1068(*)S
(find_dev)336 2370 A
4260(*)S
5580 V
(27227)210 648 A
(*===========================================================================*/)3276 1068 A
5670 V
(27228)210 648 A
(PRIVATE)294 1026 A
(void)168 1362 A
(find_dev(dev))546 1572 A
5760 V
(27229)210 648 A
(dev_t)210 1026 A
(dev;)168 1278 A
2370(/*)S
(device)252 2496 A
2790(*/)S
5850 V
(27230)210 648 A
1026({)S
5940 V
(27231)210 648 A
1026(/*)S
(Extract)294 1152 A
(the)126 1488 A
(major)210 1656 A
(and)126 1908 A
(minor)210 2076 A
(device)252 2328 A
(number)252 2622 A
(from)168 2916 A
(the)126 3126 A
(parameter.)420 3294 A
3756(*/)S
6030 V
(27232)210 648 A
6120 V
(27233)210 648 A
(major)210 1110 A
1362(=)S
((dev)168 1446 A
1656(>>)S
(MAJOR))252 1782 A
2076(&)S
(BYTE;)210 2160 A
2706(/*)S
(major)210 2832 A
(device)252 3084 A
(number)252 3378 A
3672(*/)S
6210 V
(27234)210 648 A
(minor)210 1110 A
1362(=)S
((dev)168 1446 A
1656(>>)S
(MINOR))252 1782 A
2076(&)S
(BYTE;)210 2160 A
2706(/*)S
(minor)210 2832 A
(device)252 3084 A
(number)252 3378 A
3672(*/)S
8418 V
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/slant 0 def
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630 V
12 B
(376)180 648 A
11 R
2101(File:)S
2334(src/fs/device.c)S
10 R
3402(MINIX)S
3730(SOURCE)S
4153(CODE)S
900 V
7 LST
(27235)210 648 A
1110(if)S
((major)252 1236 A
1530(>=)S
(max_major))420 1656 A
2118({)S
990 V
(27236)210 648 A
(major)210 1362 A
1614(=)S
(minor)210 1698 A
1950(=)S
2034(0;)S
2706(/*)S
(will)168 2832 A
(fail)168 3042 A
(with)168 3252 A
(ENODEV)252 3462 A
3756(*/)S
1080 V
(27237)210 648 A
1110(})S
1170 V
(27238)210 648 A
(task)168 1110 A
1320(=)S
(dmap[major].dmap_task;)924 1404 A
2370(/*)S
(which)210 2496 A
(task)168 2748 A
(services)336 2958 A
(the)126 3336 A
(device)252 3504 A
3798(*/)S
1260 V
(27239)210 648 A
1026(})S
1530 V
(27242)210 648 A
(/*===========================================================================*)3276 1026 A
1620 V
(27243)210 648 A
1068(*)S
(call_task)378 2370 A
4260(*)S
1710 V
(27244)210 648 A
(*===========================================================================*/)3276 1068 A
1800 V
(27245)210 648 A
(PUBLIC)252 1026 A
(void)168 1320 A
(call_task(task_nr,)756 1530 A
(mess_ptr))378 2328 A
1890 V
(27246)210 648 A
(int)126 1026 A
(task_nr;)336 1194 A
2370(/*)S
(which)210 2496 A
(task)168 2748 A
2958(to)S
(call)168 3084 A
3294(*/)S
1980 V
(27247)210 648 A
(message)294 1026 A
(*mess_ptr;)420 1362 A
2370(/*)S
(pointer)294 2496 A
2832(to)S
(message)294 2958 A
(for)126 3294 A
(task)168 3462 A
3672(*/)S
2070 V
(27248)210 648 A
1026({)S
2160 V
(27249)210 648 A
1026(/*)S
(All)126 1152 A
(file)168 1320 A
(system)252 1530 A
(I/O)126 1824 A
(ultimately)420 1992 A
(comes)210 2454 A
(down)168 2706 A
2916(to)S
(I/O)126 3042 A
3210(on)S
(major/minor)462 3336 A
(device)252 3840 A
2250 V
(27250)210 648 A
1068(*)S
(pairs.)252 1152 A
(These)210 1488 A
(lead)168 1740 A
1950(to)S
(calls)210 2076 A
2328(on)S
(the)126 2454 A
(following)378 2622 A
(routines)336 3042 A
(via)126 3420 A
(the)126 3588 A
(dmap)168 3756 A
(table.)252 3966 A
2340 V
(27251)210 648 A
1068(*/)S
2430 V
(27252)210 648 A
2520 V
(27253)210 648 A
(int)126 1110 A
1278(r,)S
(proc_nr;)336 1404 A
2610 V
(27254)210 648 A
(message)294 1110 A
(local_m;)336 1446 A
2700 V
(27255)210 648 A
2790 V
(27256)210 648 A
(proc_nr)294 1110 A
1446(=)S
(mess_ptr->PROC_NR;)756 1530 A
2880 V
(27257)210 648 A
2970 V
(27258)210 648 A
(while)210 1110 A
(((r)126 1362 A
1530(=)S
(sendrec(task_nr,)672 1614 A
(mess_ptr)))420 2328 A
2790(==)S
(ELOCKED))336 2916 A
3294({)S
3060 V
(27259)210 648 A
1362(/*)S
(sendrec())378 1488 A
(failed)252 1908 A
2202(to)S
(avoid)210 2328 A
(deadlock.)378 2580 A
(The)126 3000 A
(task)168 3168 A
('task_nr')378 3378 A
3798(is)S
3150 V
(27260)210 648 A
1404(*)S
(trying)252 1488 A
1782(to)S
(send)168 1908 A
2118(a)S
(REVIVE)252 2202 A
(message)294 2496 A
(for)126 2832 A
3000(an)S
(earlier)294 3126 A
(request.)336 3462 A
3240 V
(27261)210 648 A
1404(*)S
(Handle)252 1488 A
1782(it)S
(and)126 1908 A
2076(go)S
(try)126 2202 A
(again.)252 2370 A
3330 V
(27262)210 648 A
1404(*/)S
3420 V
(27263)210 648 A
1362(if)S
(((r)126 1488 A
1656(=)S
(receive(task_nr,)672 1740 A
(&local_m)))420 2454 A
2916(!=)S
(OK))126 3042 A
(break;)252 3210 A
3510 V
(27264)210 648 A
3600 V
(27265)210 648 A
1362(/*)S
1488(If)S
(we're)210 1614 A
(trying)252 1866 A
2160(to)S
(send)168 2286 A
2496(a)S
(cancel)252 2580 A
(message)294 2874 A
3210(to)S
3336(a)S
(task)168 3420 A
(which)210 3630 A
(has)126 3882 A
(just)168 4050 A
3690 V
(27266)210 648 A
1404(*)S
(sent)168 1488 A
1698(a)S
(completion)420 1782 A
(reply,)252 2244 A
(ignore)252 2538 A
(the)126 2832 A
(reply)210 3000 A
(and)126 3252 A
(abort)210 3420 A
(the)126 3672 A
(cancel)252 3840 A
3780 V
(27267)210 648 A
1404(*)S
(request.)336 1488 A
(The)126 1866 A
(caller)252 2034 A
(will)168 2328 A
2538(do)S
(the)126 2664 A
(revive)252 2832 A
(for)126 3126 A
(the)126 3294 A
(process.)336 3462 A
3870 V
(27268)210 648 A
1404(*/)S
3960 V
(27269)210 648 A
1362(if)S
((mess_ptr->m_type)714 1488 A
2244(==)S
(CANCEL)252 2370 A
2664(&&)S
(local_m.REP_PROC_NR)798 2790 A
3630(==)S
(proc_nr))336 3756 A
4050 V
(27270)210 648 A
(return;)294 1698 A
4140 V
(27271)210 648 A
4230 V
(27272)210 648 A
1362(/*)S
(Otherwise)378 1488 A
1908(it)S
(should)252 2034 A
2328(be)S
2454(a)S
(REVIVE.)294 2538 A
2874(*/)S
4320 V
(27273)210 648 A
1362(if)S
((local_m.m_type)630 1488 A
2160(!=)S
(REVIVE))294 2286 A
2622({)S
4410 V
(27274)210 648 A
(printf()294 1698 A
4500 V
(27275)210 648 A
("fs:)168 1698 A
(strange)294 1908 A
(device)252 2244 A
(reply)210 2538 A
(from)168 2790 A
(%d,)126 3000 A
(type)168 3168 A
3378(=)S
(%d,)126 3462 A
(proc)168 3630 A
3840(=)S
(%d\n",)252 3924 A
4590 V
(27276)210 648 A
(local_m.m_source,)714 2034 A
4680 V
(27277)210 648 A
(local_m.m_type,)630 2034 A
(local_m.REP_PROC_NR);)882 2706 A
4770 V
(27278)210 648 A
(continue;)378 1698 A
4860 V
(27279)210 648 A
1362(})S
4950 V
(27280)210 648 A
5040 V
(27281)210 648 A
(revive(local_m.REP_PROC_NR,)1134 1362 A
(local_m.REP_STATUS);)840 2538 A
5130 V
(27282)210 648 A
1110(})S
5220 V
(27283)210 648 A
5310 V
(27284)210 648 A
1110(/*)S
(The)126 1236 A
(message)294 1404 A
(received)336 1740 A
(may)126 2118 A
2286(be)S
2412(a)S
(reply)210 2496 A
2748(to)S
(this)168 2874 A
(call,)210 3084 A
3336(or)S
3462(a)S
(REVIVE)252 3546 A
(for)126 3840 A
(some)168 4008 A
5400 V
(27285)210 648 A
1152(*)S
(other)210 1236 A
(process.)336 1488 A
5490 V
(27286)210 648 A
1152(*/)S
5580 V
(27287)210 648 A
(for)126 1110 A
((;;))168 1278 A
1488({)S
5670 V
(27288)210 648 A
1362(if)S
1488((r)S
1614(!=)S
(OK))126 1740 A
(panic("call_task:)714 1908 A
(can't)210 2664 A
(send/receive",)588 2916 A
(NO_NUM);)336 3546 A
5760 V
(27289)210 648 A
5850 V
(27290)210 648 A
1362(/*)S
(Did)126 1488 A
(the)126 1656 A
(process)294 1824 A
2160(we)S
(did)126 2286 A
(the)126 2454 A
(sendrec())378 2622 A
(for)126 3042 A
(get)126 3210 A
3378(a)S
(result?)294 3462 A
3798(*/)S
5940 V
(27291)210 648 A
1362(if)S
((mess_ptr->REP_PROC_NR)924 1488 A
2454(==)S
(proc_nr))336 2580 A
(break;)252 2958 A
6030 V
(27292)210 648 A
6120 V
(27293)210 648 A
1362(/*)S
(Otherwise)378 1488 A
1908(it)S
(should)252 2034 A
2328(be)S
2454(a)S
(REVIVE.)294 2538 A
2874(*/)S
6210 V
(27294)210 648 A
1362(if)S
((mess_ptr->m_type)714 1488 A
2244(!=)S
(REVIVE))294 2370 A
2706({)S
8418 V
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/slant 0 def
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630 V
10 R
648(MINIX)S
976(SOURCE)S
1399(CODE)S
11 R
2101(File:)S
2334(src/fs/device.c)S
12 B
(377)180 4248 A
900 V
7 LST
(27295)210 648 A
(printf()294 1698 A
990 V
(27296)210 648 A
("fs:)168 1698 A
(strange)294 1908 A
(device)252 2244 A
(reply)210 2538 A
(from)168 2790 A
(%d,)126 3000 A
(type)168 3168 A
3378(=)S
(%d,)126 3462 A
(proc)168 3630 A
3840(=)S
(%d\n",)252 3924 A
1080 V
(27297)210 648 A
(mess_ptr->m_source,)798 2034 A
1170 V
(27298)210 648 A
(mess_ptr->m_type,)714 2034 A
(mess_ptr->REP_PROC_NR);)966 2790 A
1260 V
(27299)210 648 A
(continue;)378 1698 A
1350 V
(27300)210 648 A
1362(})S
1440 V
(27301)210 648 A
(revive(mess_ptr->REP_PROC_NR,)1218 1362 A
(mess_ptr->REP_STATUS);)924 2622 A
1530 V
(27302)210 648 A
1620 V
(27303)210 648 A
1362(r)S
1446(=)S
(receive(task_nr,)672 1530 A
(mess_ptr);)420 2244 A
1710 V
(27304)210 648 A
1110(})S
1800 V
(27305)210 648 A
1026(})S
2070 V
(27308)210 648 A
(/*===========================================================================*)3276 1026 A
2160 V
(27309)210 648 A
1068(*)S
(call_ctty)378 2370 A
4596(*)S
2250 V
(27310)210 648 A
(*===========================================================================*/)3276 1068 A
2340 V
(27311)210 648 A
(PUBLIC)252 1026 A
(void)168 1320 A
(call_ctty(task_nr,)756 1530 A
(mess_ptr))378 2328 A
2430 V
(27312)210 648 A
(int)126 1026 A
(task_nr;)336 1194 A
2370(/*)S
(not)126 2496 A
(used)168 2664 A
2874(-)S
(for)126 2958 A
(compatibility)546 3126 A
(with)168 3714 A
(dmap_t)252 3924 A
4218(*/)S
2520 V
(27313)210 648 A
(message)294 1026 A
(*mess_ptr;)420 1362 A
2370(/*)S
(pointer)294 2496 A
2832(to)S
(message)294 2958 A
(for)126 3294 A
(task)168 3462 A
3672(*/)S
2610 V
(27314)210 648 A
1026({)S
2700 V
(27315)210 648 A
1026(/*)S
(This)168 1152 A
(routine)294 1362 A
1698(is)S
(only)168 1824 A
(called)252 2034 A
(for)126 2328 A
(one)126 2496 A
(device,)294 2664 A
(namely)252 3000 A
(/dev/tty.)378 3294 A
(Its)126 3756 A
(job)126 3924 A
2790 V
(27316)210 648 A
1068(*)S
1152(is)S
1278(to)S
(change)252 1404 A
(the)126 1698 A
(message)294 1866 A
2202(to)S
(use)126 2328 A
(the)126 2496 A
(controlling)462 2664 A
(terminal,)378 3168 A
(instead)294 3588 A
3924(of)S
(the)126 4050 A
2880 V
(27317)210 648 A
1068(*)S
(major/minor)462 1152 A
(pair)168 1656 A
(for)126 1866 A
(/dev/tty)336 2034 A
(itself.)294 2412 A
2970 V
(27318)210 648 A
1068(*/)S
3060 V
(27319)210 648 A
3150 V
(27320)210 648 A
(int)126 1110 A
(major_device;)546 1278 A
3240 V
(27321)210 648 A
3330 V
(27322)210 648 A
1110(if)S
((fp->fp_tty)462 1236 A
1740(==)S
1866(0))S
1992({)S
3420 V
(27323)210 648 A
1362(/*)S
1488(No)S
(controlling)462 1614 A
(tty)126 2118 A
(present)294 2286 A
(anymore,)336 2622 A
(return)252 3000 A
3294(an)S
(I/O)126 3420 A
(error.)252 3588 A
3882(*/)S
3510 V
(27324)210 648 A
(mess_ptr->REP_STATUS)840 1362 A
2244(=)S
(EIO;)168 2328 A
3600 V
(27325)210 648 A
(return;)294 1362 A
3690 V
(27326)210 648 A
1110(})S
3780 V
(27327)210 648 A
(major_device)504 1110 A
1656(=)S
((fp->fp_tty)462 1740 A
2244(>>)S
(MAJOR))252 2370 A
2664(&)S
(BYTE;)210 2748 A
3870 V
(27328)210 648 A
(task_nr)294 1110 A
1446(=)S
(dmap[major_device].dmap_task;)1218 1530 A
3042(/*)S
(task)168 3168 A
(for)126 3378 A
(controlling)462 3546 A
(tty)126 4050 A
4218(*/)S
3960 V
(27329)210 648 A
(mess_ptr->DEVICE)672 1110 A
1824(=)S
((fp->fp_tty)462 1908 A
2412(>>)S
(MINOR))252 2538 A
2832(&)S
(BYTE;)210 2916 A
4050 V
(27330)210 648 A
(call_task(task_nr,)756 1110 A
(mess_ptr);)420 1908 A
4140 V
(27331)210 648 A
1026(})S
4410 V
(27334)210 648 A
(/*===========================================================================*)3276 1026 A
4500 V
(27335)210 648 A
1068(*)S
(no_dev)252 2370 A
4260(*)S
4590 V
(27336)210 648 A
(*===========================================================================*/)3276 1068 A
4680 V
(27337)210 648 A
(PUBLIC)252 1026 A
(void)168 1320 A
(no_dev(task_nr,)630 1530 A
(m_ptr))252 2202 A
4770 V
(27338)210 648 A
(int)126 1026 A
(task_nr;)336 1194 A
2370(/*)S
(not)126 2496 A
(used)168 2664 A
2874(-)S
(for)126 2958 A
(compatibility)546 3126 A
(with)168 3714 A
(dmap_t)252 3924 A
4218(*/)S
4860 V
(27339)210 648 A
(message)294 1026 A
(*m_ptr;)294 1362 A
2370(/*)S
(message)294 2496 A
(pointer)294 2832 A
3168(*/)S
4950 V
(27340)210 648 A
1026({)S
5040 V
(27341)210 648 A
1026(/*)S
1152(No)S
(device)252 1278 A
(there.)252 1572 A
1866(*/)S
5130 V
(27342)210 648 A
5220 V
(27343)210 648 A
(m_ptr->REP_STATUS)714 1110 A
1866(=)S
(ENODEV;)294 1950 A
5310 V
(27344)210 648 A
1026(})S
8418 V
EP
%%Page: 378 378
BP
/slant 0 def
/height 0 def
630 V
12 B
(378)180 648 A
11 R
2114(File:)S
(src/fs/utility.c)615 2347 A
10 R
3402(MINIX)S
3730(SOURCE)S
4153(CODE)S
990 V
7 LST
(++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++)3528 648 A
1080 V
(src/fs/utility.c)672 2034 A
1170 V
(++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++)3528 648 A
1350 V
(27400)210 648 A
1026(/*)S
(This)168 1152 A
(file)168 1362 A
(contains)336 1572 A
1950(a)S
(few)126 2034 A
(general)294 2202 A
(purpose)294 2538 A
(utility)294 2874 A
(routines.)378 3210 A
1440 V
(27401)210 648 A
1068(*)S
1530 V
(27402)210 648 A
1068(*)S
(The)126 1152 A
(entry)210 1320 A
(points)252 1572 A
(into)168 1866 A
(this)168 2076 A
(file)168 2286 A
(are)126 2496 A
1620 V
(27403)210 648 A
1068(*)S
(clock_time:)462 1236 A
(ask)126 1782 A
(the)126 1950 A
(clock)210 2118 A
(task)168 2370 A
(for)126 2580 A
(the)126 2748 A
(real)168 2916 A
(time)168 3126 A
1710 V
(27404)210 648 A
1068(*)S
(copy:)210 1236 A
(copy)168 1782 A
1992(a)S
(block)210 2076 A
2328(of)S
(data)168 2454 A
1800 V
(27405)210 648 A
1068(*)S
(fetch_name:)462 1236 A
1782(go)S
(get)126 1908 A
2076(a)S
(path)168 2160 A
(name)168 2370 A
(from)168 2580 A
(user)168 2790 A
(space)210 3000 A
1890 V
(27406)210 648 A
1068(*)S
(no_sys:)294 1236 A
(reject)252 1782 A
2076(a)S
(system)252 2160 A
(call)168 2454 A
(that)168 2664 A
2874(FS)S
(does)168 3000 A
(not)126 3210 A
(handle)252 3378 A
1980 V
(27407)210 648 A
1068(*)S
(panic:)252 1236 A
(something)378 1782 A
(awful)210 2202 A
(has)126 2454 A
(occurred;)378 2622 A
(MINIX)210 3084 A
(cannot)252 3336 A
(continue)336 3630 A
2070 V
(27408)210 648 A
1068(*)S
(conv2:)252 1236 A
1782(do)S
(byte)168 1908 A
(swapping)336 2118 A
2496(on)S
2622(a)S
(16-bit)252 2706 A
(int)126 3000 A
2160 V
(27409)210 648 A
1068(*)S
(conv4:)252 1236 A
1782(do)S
(byte)168 1908 A
(swapping)336 2118 A
2496(on)S
2622(a)S
(32-bit)252 2706 A
(long)168 3000 A
2250 V
(27410)210 648 A
1068(*/)S
2340 V
(27411)210 648 A
2430 V
(27412)210 648 A
(#include)336 1026 A
("fs.h")252 1404 A
2520 V
(27413)210 648 A
(#include)336 1026 A
(<minix/com.h>)546 1404 A
2610 V
(27414)210 648 A
(#include)336 1026 A
(<minix/boot.h>)588 1404 A
2700 V
(27415)210 648 A
(#include)336 1026 A
(<unistd.h>)420 1404 A
2790 V
(27416)210 648 A
(#include)336 1026 A
("buf.h")294 1404 A
2880 V
(27417)210 648 A
(#include)336 1026 A
("file.h")336 1404 A
2970 V
(27418)210 648 A
(#include)336 1026 A
("fproc.h")378 1404 A
3060 V
(27419)210 648 A
(#include)336 1026 A
("inode.h")378 1404 A
3150 V
(27420)210 648 A
(#include)336 1026 A
("param.h")378 1404 A
3240 V
(27421)210 648 A
3330 V
(27422)210 648 A
(PRIVATE)294 1026 A
(int)126 1362 A
(panicking;)420 1530 A
2370(/*)S
(inhibits)336 2496 A
(recursive)378 2874 A
(panics)252 3294 A
(during)252 3588 A
(sync)168 3882 A
4092(*/)S
3420 V
(27423)210 648 A
(PRIVATE)294 1026 A
(message)294 1362 A
(clock_mess;)462 1698 A
3510 V
(27424)210 648 A
3600 V
(27425)210 648 A
(/*===========================================================================*)3276 1026 A
3690 V
(27426)210 648 A
1068(*)S
(clock_time)420 2370 A
4260(*)S
3780 V
(27427)210 648 A
(*===========================================================================*/)3276 1068 A
3870 V
(27428)210 648 A
(PUBLIC)252 1026 A
(time_t)252 1320 A
(clock_time())504 1614 A
3960 V
(27429)210 648 A
1026({)S
4050 V
(27430)210 648 A
1026(/*)S
(This)168 1152 A
(routine)294 1362 A
(returns)294 1698 A
(the)126 2034 A
(time)168 2202 A
2412(in)S
(seconds)294 2538 A
(since)210 2874 A
(1.1.1970.)378 3126 A
(MINIX)210 3588 A
3840(is)S
3966(an)S
4140 V
(27431)210 648 A
1068(*)S
(astrophysically)630 1152 A
(naive)210 1824 A
(system)252 2076 A
(that)168 2370 A
(assumes)294 2580 A
(the)126 2916 A
(earth)210 3084 A
(rotates)294 3336 A
3672(at)S
3798(a)S
(constant)336 3882 A
4230 V
(27432)210 648 A
1068(*)S
(rate)168 1152 A
(and)126 1362 A
(that)168 1530 A
(such)168 1740 A
(things)252 1950 A
2244(as)S
(leap)168 2370 A
(seconds)294 2580 A
2916(do)S
(not)126 3042 A
(exist.)252 3210 A
4320 V
(27433)210 648 A
1068(*/)S
4410 V
(27434)210 648 A
4500 V
(27435)210 648 A
(register)336 1110 A
(int)126 1488 A
1656(k;)S
4590 V
(27436)210 648 A
4680 V
(27437)210 648 A
(clock_mess.m_type)714 1110 A
1866(=)S
(GET_TIME;)378 1950 A
4770 V
(27438)210 648 A
1110(if)S
1236(()S
1320((k)S
1446(=)S
(sendrec(CLOCK,)588 1530 A
(&clock_mess)))546 2160 A
2748(!=)S
(OK))126 2874 A
(panic("clock_time)714 3042 A
(err",)210 3798 A
(k);)126 4050 A
4860 V
(27439)210 648 A
4950 V
(27440)210 648 A
(return()294 1110 A
((time_t))336 1446 A
(clock_mess.NEW_TIME);)882 1824 A
5040 V
(27441)210 648 A
1026(})S
5310 V
(27444)210 648 A
(/*===========================================================================*)3276 1026 A
5400 V
(27445)210 648 A
1068(*)S
(fetch_name)420 2370 A
4260(*)S
5490 V
(27446)210 648 A
(*===========================================================================*/)3276 1068 A
5580 V
(27447)210 648 A
(PUBLIC)252 1026 A
(int)126 1320 A
(fetch_name(path,)672 1488 A
(len,)168 2202 A
(flag))210 2412 A
5670 V
(27448)210 648 A
(char)168 1026 A
(*path;)252 1236 A
2370(/*)S
(pointer)294 2496 A
2832(to)S
(the)126 2958 A
(path)168 3126 A
3336(in)S
(user)168 3462 A
(space)210 3672 A
3924(*/)S
5760 V
(27449)210 648 A
(int)126 1026 A
(len;)168 1194 A
2370(/*)S
(path)168 2496 A
(length,)294 2706 A
(including)378 3042 A
3462(0)S
(byte)168 3546 A
3756(*/)S
5850 V
(27450)210 648 A
(int)126 1026 A
(flag;)210 1194 A
2370(/*)S
2496(M3)S
(means)210 2622 A
(path)168 2874 A
(may)126 3084 A
3252(be)S
3378(in)S
(message)294 3504 A
3840(*/)S
5940 V
(27451)210 648 A
1026({)S
6030 V
(27452)210 648 A
1026(/*)S
1152(Go)S
(get)126 1278 A
(path)168 1446 A
(and)126 1656 A
(put)126 1824 A
1992(it)S
2118(in)S
('user_path'.)504 2244 A
6120 V
(27453)210 648 A
1068(*)S
1152(If)S
('flag')252 1278 A
1572(=)S
1656(M3)S
(and)126 1782 A
('len')210 1950 A
2202(<=)S
(M3_STRING,)420 2328 A
(the)126 2790 A
(path)168 2958 A
3168(is)S
(present)294 3294 A
3630(in)S
('message'.)420 3756 A
6210 V
(27454)210 648 A
1068(*)S
1152(If)S
1278(it)S
1404(is)S
(not,)168 1530 A
1740(go)S
(copy)168 1866 A
2076(it)S
(from)168 2202 A
(user)168 2412 A
(space.)252 2622 A
8418 V
EP
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/slant 0 def
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630 V
10 R
648(MINIX)S
976(SOURCE)S
1399(CODE)S
11 R
2114(File:)S
(src/fs/utility.c)615 2347 A
12 B
(379)180 4248 A
900 V
7 LST
(27455)210 648 A
1068(*/)S
990 V
(27456)210 648 A
1080 V
(27457)210 648 A
(register)336 1110 A
(char)168 1488 A
(*rpu,)210 1698 A
(*rpm;)210 1950 A
1170 V
(27458)210 648 A
(int)126 1110 A
1278(r;)S
1260 V
(27459)210 648 A
1350 V
(27460)210 648 A
1110(/*)S
(Check)210 1236 A
(name)168 1488 A
(length)252 1698 A
(for)126 1992 A
(validity.)378 2160 A
2580(*/)S
1440 V
(27461)210 648 A
1110(if)S
((len)168 1236 A
1446(<=)S
1572(0))S
1698({)S
1530 V
(27462)210 648 A
(err_code)336 1362 A
1740(=)S
(EINVAL;)294 1824 A
1620 V
(27463)210 648 A
(return(EGENERIC);)714 1362 A
1710 V
(27464)210 648 A
1110(})S
1800 V
(27465)210 648 A
1890 V
(27466)210 648 A
1110(if)S
((len)168 1236 A
1446(>)S
(PATH_MAX))378 1530 A
1950({)S
1980 V
(27467)210 648 A
(err_code)336 1362 A
1740(=)S
(ENAMETOOLONG;)546 1824 A
2070 V
(27468)210 648 A
(return(EGENERIC);)714 1362 A
2160 V
(27469)210 648 A
1110(})S
2250 V
(27470)210 648 A
2340 V
(27471)210 648 A
1110(if)S
((flag)210 1236 A
1488(==)S
1614(M3)S
1740(&&)S
(len)126 1866 A
2034(<=)S
(M3_STRING))420 2160 A
2622({)S
2430 V
(27472)210 648 A
1362(/*)S
(Just)168 1488 A
(copy)168 1698 A
(the)126 1908 A
(path)168 2076 A
(from)168 2286 A
(the)126 2496 A
(message)294 2664 A
3000(to)S
('user_path'.)504 3126 A
3672(*/)S
2520 V
(27473)210 648 A
(rpu)126 1362 A
1530(=)S
(&user_path[0];)588 1614 A
2610 V
(27474)210 648 A
(rpm)126 1362 A
1530(=)S
(pathname;)378 1614 A
2370(/*)S
(contained)378 2496 A
2916(in)S
(input)210 3042 A
(message)294 3294 A
3630(*/)S
2700 V
(27475)210 648 A
1362(do)S
1488({)S
(*rpu++)252 1572 A
1866(=)S
(*rpm++;)294 1950 A
2286(})S
(while)210 2370 A
((--len);)336 2622 A
2790 V
(27476)210 648 A
1362(r)S
1446(=)S
(OK;)126 1530 A
2880 V
(27477)210 648 A
1110(})S
(else)168 1194 A
1404({)S
2970 V
(27478)210 648 A
1362(/*)S
(String)252 1488 A
1782(is)S
(not)126 1908 A
(contained)378 2076 A
2496(in)S
(the)126 2622 A
(message.)336 2790 A
(Get)126 3210 A
3378(it)S
(from)168 3504 A
(user)168 3714 A
(space.)252 3924 A
4218(*/)S
3060 V
(27479)210 648 A
1362(r)S
1446(=)S
(sys_copy(who,)546 1530 A
2118(D,)S
((phys_bytes))504 2244 A
(path,)210 2790 A
3150 V
(27480)210 648 A
(FS_PROC_NR,)462 1698 A
2202(D,)S
((phys_bytes))504 2328 A
(user_path,)420 2874 A
((phys_bytes))504 3336 A
(len);)210 3882 A
3240 V
(27481)210 648 A
1110(})S
3330 V
(27482)210 648 A
(return(r);)420 1110 A
3420 V
(27483)210 648 A
1026(})S
3690 V
(27486)210 648 A
(/*===========================================================================*)3276 1026 A
3780 V
(27487)210 648 A
1068(*)S
(no_sys)252 2370 A
4260(*)S
3870 V
(27488)210 648 A
(*===========================================================================*/)3276 1068 A
3960 V
(27489)210 648 A
(PUBLIC)252 1026 A
(int)126 1320 A
(no_sys())336 1488 A
4050 V
(27490)210 648 A
1026({)S
4140 V
(27491)210 648 A
1026(/*)S
(Somebody)336 1152 A
(has)126 1530 A
(used)168 1698 A
1908(an)S
(illegal)294 2034 A
(system)252 2370 A
(call)168 2664 A
(number)252 2874 A
3168(*/)S
4230 V
(27492)210 648 A
4320 V
(27493)210 648 A
(return(EINVAL);)630 1110 A
4410 V
(27494)210 648 A
1026(})S
4680 V
(27497)210 648 A
(/*===========================================================================*)3276 1026 A
4770 V
(27498)210 648 A
1068(*)S
(panic)210 2370 A
4260(*)S
4860 V
(27499)210 648 A
(*===========================================================================*/)3276 1068 A
4950 V
(27500)210 648 A
(PUBLIC)252 1026 A
(void)168 1320 A
(panic(format,)546 1530 A
(num))168 2118 A
5040 V
(27501)210 648 A
(char)168 1026 A
(*format;)336 1236 A
2370(/*)S
(format)252 2496 A
(string)252 2790 A
3084(*/)S
5130 V
(27502)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
5220 V
(27503)210 648 A
1026({)S
5310 V
(27504)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
5400 V
(27505)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
5490 V
(27506)210 648 A
1068(*)S
(defined)294 1152 A
(constant.)378 1488 A
5580 V
(27507)210 648 A
1068(*/)S
5670 V
(27508)210 648 A
5760 V
(27509)210 648 A
1110(if)S
((panicking))462 1236 A
(return;)294 1740 A
2370(/*)S
2496(do)S
(not)126 2622 A
(panic)210 2790 A
(during)252 3042 A
3336(a)S
(sync)168 3420 A
3630(*/)S
5850 V
(27510)210 648 A
(panicking)378 1110 A
1530(=)S
(TRUE;)210 1614 A
2370(/*)S
(prevent)294 2496 A
(another)294 2832 A
(panic)210 3168 A
(during)252 3420 A
(the)126 3714 A
(sync)168 3882 A
4092(*/)S
5940 V
(27511)210 648 A
(printf("File)504 1110 A
(system)252 1656 A
(panic:)252 1950 A
2244(%s)S
2370(",)S
(format);)336 2496 A
6030 V
(27512)210 648 A
1110(if)S
((num)168 1236 A
1446(!=)S
(NO_NUM))294 1572 A
(printf("%d",num);)714 1908 A
6120 V
(27513)210 648 A
(printf("\n");)546 1110 A
6210 V
(27514)210 648 A
((void))252 1110 A
(do_sync();)420 1404 A
2370(/*)S
(flush)210 2496 A
(everything)420 2748 A
3210(to)S
(the)126 3336 A
(disk)168 3504 A
3714(*/)S
8418 V
EP
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/slant 0 def
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630 V
12 B
(380)180 648 A
11 R
2114(File:)S
(src/fs/utility.c)615 2347 A
10 R
3402(MINIX)S
3730(SOURCE)S
4153(CODE)S
900 V
7 LST
(27515)210 648 A
(sys_abort(RBT_PANIC);)882 1110 A
990 V
(27516)210 648 A
1026(})S
1260 V
(27519)210 648 A
(/*===========================================================================*)3276 1026 A
1350 V
(27520)210 648 A
1068(*)S
(conv2)210 2370 A
4260(*)S
1440 V
(27521)210 648 A
(*===========================================================================*/)3276 1068 A
1530 V
(27522)210 648 A
(PUBLIC)252 1026 A
(unsigned)336 1320 A
(conv2(norm,)462 1698 A
2202(w))S
1620 V
(27523)210 648 A
(int)126 1026 A
(norm;)210 1194 A
2370(/*)S
(TRUE)168 2496 A
2706(if)S
2832(no)S
(swap,)210 2958 A
(FALSE)210 3210 A
(for)126 3462 A
(byte)168 3630 A
(swap)168 3840 A
4050(*/)S
1710 V
(27524)210 648 A
(int)126 1026 A
1194(w;)S
2370(/*)S
(promotion)378 2496 A
2916(of)S
(16-bit)252 3042 A
(word)168 3336 A
3546(to)S
3672(be)S
(swapped)294 3798 A
4134(*/)S
1800 V
(27525)210 648 A
1026({)S
1890 V
(27526)210 648 A
1026(/*)S
(Possibly)336 1152 A
(swap)168 1530 A
1740(a)S
(16-bit)252 1824 A
(word)168 2118 A
(between)294 2328 A
(8086)168 2664 A
(and)126 2874 A
(68000)210 3042 A
(byte)168 3294 A
(order.)252 3504 A
3798(*/)S
1980 V
(27527)210 648 A
2070 V
(27528)210 648 A
1110(if)S
((norm))252 1236 A
(return()294 1530 A
((unsigned))420 1866 A
2328(w)S
2412(&)S
(0xFFFF);)336 2496 A
2160 V
(27529)210 648 A
(return()294 1110 A
(((w&BYTE))378 1446 A
1866(<<)S
1992(8))S
2118(|)S
2202(()S
((w>>8))252 2286 A
2580(&)S
(BYTE));)294 2664 A
2250 V
(27530)210 648 A
1026(})S
2520 V
(27533)210 648 A
(/*===========================================================================*)3276 1026 A
2610 V
(27534)210 648 A
1068(*)S
(conv4)210 2370 A
4260(*)S
2700 V
(27535)210 648 A
(*===========================================================================*/)3276 1068 A
2790 V
(27536)210 648 A
(PUBLIC)252 1026 A
(long)168 1320 A
(conv4(norm,)462 1530 A
2034(x))S
2880 V
(27537)210 648 A
(int)126 1026 A
(norm;)210 1194 A
2370(/*)S
(TRUE)168 2496 A
2706(if)S
2832(no)S
(swap,)210 2958 A
(FALSE)210 3210 A
(for)126 3462 A
(byte)168 3630 A
(swap)168 3840 A
4050(*/)S
2970 V
(27538)210 648 A
(long)168 1026 A
1236(x;)S
2370(/*)S
(32-bit)252 2496 A
(long)168 2790 A
3000(to)S
3126(be)S
(byte)168 3252 A
(swapped)294 3462 A
3798(*/)S
3060 V
(27539)210 648 A
1026({)S
3150 V
(27540)210 648 A
1026(/*)S
(Possibly)336 1152 A
(swap)168 1530 A
1740(a)S
(32-bit)252 1824 A
(long)168 2118 A
(between)294 2328 A
(8086)168 2664 A
(and)126 2874 A
(68000)210 3042 A
(byte)168 3294 A
(order.)252 3504 A
3798(*/)S
3240 V
(27541)210 648 A
3330 V
(27542)210 648 A
(unsigned)336 1110 A
(lo,)126 1488 A
(hi;)126 1656 A
3420 V
(27543)210 648 A
(long)168 1110 A
1320(l;)S
3510 V
(27544)210 648 A
3600 V
(27545)210 648 A
1110(if)S
((norm))252 1236 A
(return(x);)420 1530 A
2706(/*)S
(byte)168 2832 A
(order)210 3042 A
(was)126 3294 A
(already)294 3462 A
3798(ok)S
3924(*/)S
3690 V
(27546)210 648 A
1110(lo)S
1236(=)S
(conv2(FALSE,)504 1320 A
((int))210 1866 A
2118(x)S
2202(&)S
(0xFFFF);)336 2286 A
2706(/*)S
(low-order)378 2832 A
(half,)210 3252 A
(byte)168 3504 A
(swapped)294 3714 A
4050(*/)S
3780 V
(27547)210 648 A
1110(hi)S
1236(=)S
(conv2(FALSE,)504 1320 A
((int))210 1866 A
((x>>16))294 2118 A
2454(&)S
(0xFFFF);)336 2538 A
3042(/*)S
(high-order)420 3168 A
(half,)210 3630 A
(swapped)294 3882 A
4218(*/)S
3870 V
(27548)210 648 A
1110(l)S
1194(=)S
1278(()S
((long))252 1362 A
1656(lo)S
(<<16))210 1782 A
2034(|)S
(hi;)126 2118 A
3960 V
(27549)210 648 A
(return(l);)420 1110 A
4050 V
(27550)210 648 A
1026(})S
4590 V
(++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++)3528 648 A
4680 V
(src/fs/putk.c)546 2034 A
4770 V
(++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++)3528 648 A
4950 V
(27600)210 648 A
1026(/*)S
1152(FS)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
5040 V
(27601)210 648 A
1068(*)S
(routine)294 1152 A
(prink().)336 1488 A
((The)168 1908 A
(name)168 2118 A
("printf")336 2328 A
2706(is)S
(really)252 2832 A
3126(a)S
(macro)210 3210 A
(defined)294 3462 A
3798(as)S
("printk").)420 3924 A
5130 V
(27602)210 648 A
1068(*)S
(Printing)336 1152 A
1530(is)S
(done)168 1656 A
1866(by)S
(calling)294 1992 A
(the)126 2328 A
(TTY)126 2496 A
(task)168 2664 A
(directly,)378 2874 A
(not)126 3294 A
(going)210 3462 A
(through)294 3714 A
(FS.)126 4050 A
5220 V
(27603)210 648 A
1068(*/)S
5310 V
(27604)210 648 A
5400 V
(27605)210 648 A
(#include)336 1026 A
("fs.h")252 1404 A
5490 V
(27606)210 648 A
(#include)336 1026 A
(<minix/com.h>)546 1404 A
5580 V
(27607)210 648 A
5670 V
(27608)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
5760 V
(27609)210 648 A
5850 V
(27610)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
5940 V
(27611)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
6030 V
(27612)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
6120 V
(27613)210 648 A
6210 V
(27614)210 648 A
(FORWARD)294 1026 A
(_PROTOTYPE()462 1362 A
(void)168 1866 A
(flush,)252 2076 A
((void))252 2370 A
4050();)S
8418 V
EP
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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/putk.c)S
12 B
(381)180 4248 A
900 V
7 LST
(27615)210 648 A
990 V
(27616)210 648 A
(/*===========================================================================*)3276 1026 A
1080 V
(27617)210 648 A
1068(*)S
(putk)168 2370 A
4260(*)S
1170 V
(27618)210 648 A
(*===========================================================================*/)3276 1068 A
1260 V
(27619)210 648 A
(PUBLIC)252 1026 A
(void)168 1320 A
(putk(c))294 1530 A
1350 V
(27620)210 648 A
(int)126 1026 A
1194(c;)S
1440 V
(27621)210 648 A
1026({)S
1530 V
(27622)210 648 A
1026(/*)S
(Accumulate)420 1152 A
(another)294 1614 A
(character.)420 1950 A
2454(If)S
2580(0)S
2664(or)S
(buffer)252 2790 A
(full,)210 3084 A
(print)210 3336 A
(it.)126 3588 A
3756(*/)S
1620 V
(27623)210 648 A
1710 V
(27624)210 648 A
1110(if)S
1236((c)S
1362(==)S
1488(0)S
1572(||)S
(buf_count)378 1698 A
2118(==)S
(BUF_SIZE))378 2244 A
(flush();)336 2664 A
1800 V
(27625)210 648 A
1110(if)S
1236((c)S
1362(==)S
('\n'))210 1488 A
(putk('\r');)462 1740 A
1890 V
(27626)210 648 A
1110(if)S
1236((c)S
1362(!=)S
1488(0))S
(print_buf[buf_count++])924 1614 A
2580(=)S
2664(c;)S
1980 V
(27627)210 648 A
1026(})S
2250 V
(27630)210 648 A
(/*===========================================================================*)3276 1026 A
2340 V
(27631)210 648 A
1068(*)S
(flush)210 2370 A
4260(*)S
2430 V
(27632)210 648 A
(*===========================================================================*/)3276 1068 A
2520 V
(27633)210 648 A
(PRIVATE)294 1026 A
(void)168 1362 A
(flush())294 1572 A
2610 V
(27634)210 648 A
1026({)S
2700 V
(27635)210 648 A
1026(/*)S
(Flush)210 1152 A
(the)126 1404 A
(print)210 1572 A
(buffer)252 1824 A
2118(by)S
(calling)294 2244 A
(TTY)126 2580 A
(task.)210 2748 A
3000(*/)S
2790 V
(27636)210 648 A
2880 V
(27637)210 648 A
2970 V
(27638)210 648 A
1110(if)S
((buf_count)420 1236 A
1698(==)S
1824(0))S
(return;)294 1950 A
3060 V
(27639)210 648 A
(putch_msg.m_type)672 1110 A
1824(=)S
(DEV_WRITE;)420 1908 A
3150 V
(27640)210 648 A
(putch_msg.PROC_NR)714 1110 A
1908(=)S
1992(1;)S
3240 V
(27641)210 648 A
(putch_msg.TTY_LINE)756 1110 A
1908(=)S
1992(0;)S
3330 V
(27642)210 648 A
(putch_msg.ADDRESS)714 1110 A
1908(=)S
(print_buf;)420 1992 A
3420 V
(27643)210 648 A
(putch_msg.COUNT)630 1110 A
1782(=)S
(buf_count;)420 1866 A
3510 V
(27644)210 648 A
(call_task(TTY,)588 1110 A
(&putch_msg);)504 1740 A
3600 V
(27645)210 648 A
(buf_count)378 1110 A
1530(=)S
1614(0;)S
3690 V
(27646)210 648 A
1026(})S
4140 V
(++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++)3528 648 A
4230 V
(./end_of_list)546 2034 A
4320 V
(++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++)3528 648 A
8418 V
EP
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