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setitimer implementation for AIX.

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This commit is contained in:
Ulrich Drepper 2001-06-20 07:07:41 +00:00
parent 68dbc1fdab
commit 55f326305c
1 changed files with 68 additions and 0 deletions
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68
sysdeps/unix/sysv/aix/setitimer.c Normal file
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/* 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 Library General Public License as
published by the Free Software Foundation; either version 2 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
Library General Public License for more details.
You should have received a copy of the GNU Library General Public
License along with the GNU C Library; see the file COPYING.LIB. 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)