mirror of
https://sourceware.org/git/glibc.git
synced 2024-12-11 05:40:06 +00:00
69 lines
1.8 KiB
C
69 lines
1.8 KiB
C
/* Copyright (C) 1991, 1994, 1995, 1996, 1997 Free Software Foundation, Inc.
|
|
This file is part of the GNU C Library.
|
|
|
|
The GNU C Library is free software; you can redistribute it and/or
|
|
modify it under the terms of the GNU Lesser General Public
|
|
License as published by the Free Software Foundation; either
|
|
version 2.1 of the License, or (at your option) any later version.
|
|
|
|
The GNU C Library is distributed in the hope that it will be useful,
|
|
but WITHOUT ANY WARRANTY; without even the implied warranty of
|
|
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
|
|
Lesser General Public License for more details.
|
|
|
|
You should have received a copy of the GNU Lesser General Public
|
|
License along with the GNU C Library; if not, write to the Free
|
|
Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
|
|
02111-1307 USA. */
|
|
|
|
#include <stddef.h>
|
|
#include <errno.h>
|
|
#include <sys/time.h>
|
|
#include <unistd.h>
|
|
#include <signal.h>
|
|
|
|
extern int __libc_nanosleep (const struct timespec *requested_time,
|
|
struct timespec *remaining);
|
|
int
|
|
__setitimer (which, new, old)
|
|
enum __itimer_which which;
|
|
const struct itimerval *new;
|
|
struct itimerval *old;
|
|
{
|
|
if (new == NULL)
|
|
{
|
|
__set_errno (EINVAL);
|
|
return -1;
|
|
}
|
|
|
|
switch (which)
|
|
{
|
|
default:
|
|
__set_errno (EINVAL);
|
|
return -1;
|
|
|
|
case ITIMER_VIRTUAL:
|
|
case ITIMER_PROF:
|
|
__set_errno (ENOSYS);
|
|
return -1;
|
|
|
|
case ITIMER_REAL:
|
|
break;
|
|
}
|
|
|
|
switch (__fork())
|
|
{
|
|
case -1: exit(-1);
|
|
case 0:
|
|
{
|
|
struct timespec ts ={tv_sec:(long int)new->it_value.tv_sec,tv_nsec:0};
|
|
__libc_nanosleep(&ts,&ts);
|
|
__kill(getppid(), SIGALRM);
|
|
exit(0);
|
|
}
|
|
default:
|
|
}
|
|
return 0;
|
|
}
|
|
weak_alias (__setitimer, setitimer)
|