mirror of
https://sourceware.org/git/glibc.git
synced 2024-11-23 13:30:06 +00:00
83 lines
2.3 KiB
C
83 lines
2.3 KiB
C
|
/* Copyright (C) 2003 Free Software Foundation, Inc.
|
||
|
|
This file is part of the GNU C Library.
|
||
|
|
Contributed by Ulrich Drepper <drepper@redhat.com>, 2003.
|
||
|
|
|
||
|
|
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; 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 <errno.h>
|
||
|
|
#include <stdlib.h>
|
||
|
|
#include <time.h>
|
||
|
|
#include <sysdep.h>
|
||
|
|
#include <kernel-features.h>
|
||
|
|
#include "kernel-posix-timers.h"
|
||
|
|
|
||
|
|
|
||
|
|
#ifdef __NR_timer_gettime
|
||
|
|
# ifndef __ASSUME_POSIX_TIMERS
|
||
|
|
# define timer_gettime static compat_timer_gettime
|
||
|
|
# include <nptl/sysdeps/pthread/timer_gettime.c>
|
||
|
|
# undef timer_gettime
|
||
|
|
# endif
|
||
|
|
|
||
|
|
# ifdef timer_gettime_alias
|
||
|
|
# define timer_gettime timer_gettime_alias
|
||
|
|
# endif
|
||
|
|
|
||
|
|
|
||
|
|
int
|
||
|
|
timer_gettime (timerid, value)
|
||
|
|
timer_t timerid;
|
||
|
|
struct itimerspec *value;
|
||
|
|
{
|
||
|
|
# undef timer_gettime
|
||
|
|
# ifndef __ASSUME_POSIX_TIMERS
|
||
|
|
if (__no_posix_timers == 0)
|
||
|
|
# endif
|
||
|
|
{
|
||
|
|
struct timer *kt = (struct timer *) timerid;
|
||
|
|
|
||
|
|
/* Delete the kernel timer object. */
|
||
|
|
int res = INLINE_SYSCALL (timer_gettime, 2, kt->ktimerid, value);
|
||
|
|
|
||
|
|
# ifndef __ASSUME_POSIX_TIMERS
|
||
|
|
if (res != -1 || errno != ENOSYS)
|
||
|
|
{
|
||
|
|
/* We know the syscall support is available. */
|
||
|
|
__no_posix_timers = 1;
|
||
|
|
# endif
|
||
|
|
return res;
|
||
|
|
# ifndef __ASSUME_POSIX_TIMERS
|
||
|
|
}
|
||
|
|
# endif
|
||
|
|
|
||
|
|
# ifndef __ASSUME_POSIX_TIMERS
|
||
|
|
__no_posix_timers = -1;
|
||
|
|
# endif
|
||
|
|
}
|
||
|
|
|
||
|
|
# ifndef __ASSUME_POSIX_TIMERS
|
||
|
|
return compat_timer_gettime (timerid, value);
|
||
|
|
# endif
|
||
|
|
}
|
||
|
|
#else
|
||
|
|
# ifdef timer_gettime_alias
|
||
|
|
# define timer_gettime timer_gettime_alias
|
||
|
|
# endif
|
||
|
|
/* The new system calls are not available. Use the userlevel
|
||
|
|
implementation. */
|
||
|
|
# include <nptl/sysdeps/pthread/timer_gettime.c>
|
||
|
|
#endif
|