93cb6375ae
* include/sys/resource.h: New file. * lib/linux+gnu.c (fcntl, dup2, getrusage): New function. * lib/binutils.c (fcntl): Remove stub.
145 lines
2.9 KiB
C
145 lines
2.9 KiB
C
/* -*-comment-start: "//";comment-end:""-*-
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* Mes --- Maxwell Equations of Software
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* Copyright © 2018 Jan (janneke) Nieuwenhuizen <janneke@gnu.org>
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*
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* This file is part of Mes.
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*
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* Mes is free software; you can redistribute it and/or modify it
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* under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 3 of the License, or (at
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* your option) any later version.
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*
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* Mes is distributed in the hope that it will be useful, but
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* WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with Mes. If not, see <http://www.gnu.org/licenses/>.
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*/
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#define SYS_link 0x09
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#define SYS_getpid 0x14
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#define SYS_getuid 0x18
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#define SYS_kill 0x25
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#define SYS_rename 0x26
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#define SYS_mkdir 0x27
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#define SYS_dup 0x29
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#define SYS_pipe 0x2a
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#define SYS_getgid 0x2f
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#define SYS_signal 0x30
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#define SYS_fcntl 0x37
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#define SYS_dup2 0x3f
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#define SYS_getrusage 0x4d
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#define SYS_lstat 0x6b
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#define SYS_fstat 0x6c
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#define SYS_nanosleep 0xa2
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int
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link (char const *old_name, char const *new_name)
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{
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return _sys_call2 (SYS_link, (int)old_name, (int)new_name);
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}
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pid_t
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getpid ()
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{
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return _sys_call (SYS_getpid);
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}
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uid_t
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getuid ()
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{
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return _sys_call (SYS_getuid);
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}
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int
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kill (pid_t pid, int signum)
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{
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return _sys_call2 (SYS_kill, (int)pid, (int)signum);
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}
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int
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rename (char const *old_name, char const *new_name)
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{
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return _sys_call2 (SYS_rename, (int)old_name, (int)new_name);
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}
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int
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mkdir (char const *file_name, mode_t mode)
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{
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return _sys_call2 (SYS_mkdir, (int)file_name, (int)mode);
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}
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int
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dup (int old)
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{
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return _sys_call1 (SYS_dup, (int)old);
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}
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gid_t
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getgid ()
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{
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return _sys_call (SYS_getgid);
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}
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#if __MESC__
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void *
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signal (int signum, void * action)
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#else
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sighandler_t
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signal (int signum, sighandler_t action)
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#endif
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{
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return _sys_call2 (SYS_signal, signum, action);
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}
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int
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fcntl (int filedes, int command, ...)
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{
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va_list ap;
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va_start (ap, command);
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int data = va_arg (ap, int);
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int r = _sys_call3 (SYS_fcntl, (int)filedes, (int)command, (int)data);
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va_end (ap);
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return r;
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}
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int
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pipe (int filedes[2])
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{
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return _sys_call1 (SYS_pipe, (int)filedes);
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}
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int
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dup2 (int old, int new)
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{
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return _sys_call2 (SYS_dup2, (int)old, (int)new);
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}
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int
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getrusage (int processes, struct rusage *rusage)
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{
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return _sys_call2 (SYS_getrusage, (int)processes, (int)rusage);
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}
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int
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lstat (char const *file_name, struct stat *statbuf)
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{
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return _sys_call2 (SYS_lstat, (int)file_name, (int)statbuf);
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}
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int
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nanosleep (const struct timespec *requested_time,
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struct timespec *remaining)
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{
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return _sys_call2 (SYS_nanosleep, (int)requested_time, (int)remaining);
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}
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int
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fstat (int fd, struct stat *statbuf)
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{
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return _sys_call2 (SYS_fstat, (int)fd, (int)statbuf);
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}
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