mirror of
https://sourceware.org/git/glibc.git
synced 2024-11-26 06:50:07 +00:00
110 lines
3.5 KiB
C
110 lines
3.5 KiB
C
/* Copyright (C) 2003-2023 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; see the file COPYING.LIB. If
|
|
not, see <https://www.gnu.org/licenses/>. */
|
|
|
|
#include <errno.h>
|
|
#include <stdlib.h>
|
|
#include <time.h>
|
|
#include <sysdep.h>
|
|
#include <kernel-features.h>
|
|
#include "kernel-posix-timers.h"
|
|
#include <shlib-compat.h>
|
|
|
|
#if !TIMER_T_WAS_INT_COMPAT
|
|
int
|
|
___timer_gettime64 (timer_t timerid, struct __itimerspec64 *value)
|
|
{
|
|
kernel_timer_t ktimerid = timerid_to_kernel_timer (timerid);
|
|
|
|
# ifndef __NR_timer_gettime64
|
|
# define __NR_timer_gettime64 __NR_timer_gettime
|
|
# endif
|
|
int ret = INLINE_SYSCALL_CALL (timer_gettime64, ktimerid, value);
|
|
# ifndef __ASSUME_TIME64_SYSCALLS
|
|
if (ret == 0 || errno != ENOSYS)
|
|
return ret;
|
|
|
|
struct itimerspec its32;
|
|
ret = INLINE_SYSCALL_CALL (timer_gettime, ktimerid, &its32);
|
|
if (ret == 0)
|
|
{
|
|
value->it_interval = valid_timespec_to_timespec64 (its32.it_interval);
|
|
value->it_value = valid_timespec_to_timespec64 (its32.it_value);
|
|
}
|
|
# endif
|
|
return ret;
|
|
}
|
|
|
|
# if __TIMESIZE == 64
|
|
versioned_symbol (libc, ___timer_gettime64, timer_gettime, GLIBC_2_34);
|
|
# if OTHER_SHLIB_COMPAT (librt, GLIBC_2_2, GLIBC_2_34)
|
|
compat_symbol (librt, ___timer_gettime64, timer_gettime, GLIBC_2_2);
|
|
# endif
|
|
|
|
# else /* __TIMESIZE != 64 */
|
|
libc_hidden_ver (___timer_gettime64, __timer_gettime64)
|
|
versioned_symbol (libc, ___timer_gettime64, __timer_gettime64, GLIBC_2_34);
|
|
|
|
int
|
|
__timer_gettime (timer_t timerid, struct itimerspec *value)
|
|
{
|
|
struct __itimerspec64 its64;
|
|
int retval = __timer_gettime64 (timerid, &its64);
|
|
if (retval == 0)
|
|
{
|
|
value->it_interval = valid_timespec64_to_timespec (its64.it_interval);
|
|
value->it_value = valid_timespec64_to_timespec (its64.it_value);
|
|
}
|
|
|
|
return retval;
|
|
}
|
|
versioned_symbol (libc, __timer_gettime, timer_gettime, GLIBC_2_34);
|
|
|
|
# if OTHER_SHLIB_COMPAT (librt, GLIBC_2_2, GLIBC_2_34)
|
|
compat_symbol (librt, __timer_gettime, timer_gettime, GLIBC_2_2);
|
|
# endif
|
|
# endif /* __TIMESIZE != 64 */
|
|
|
|
#else /* TIMER_T_WAS_INT_COMPAT */
|
|
|
|
extern __typeof (timer_gettime) __timer_gettime_new;
|
|
libc_hidden_proto (__timer_gettime_new)
|
|
|
|
int
|
|
___timer_gettime_new (timer_t timerid, struct itimerspec *value)
|
|
{
|
|
kernel_timer_t ktimerid = timerid_to_kernel_timer (timerid);
|
|
|
|
return INLINE_SYSCALL_CALL (timer_gettime, ktimerid, value);
|
|
}
|
|
versioned_symbol (libc, ___timer_gettime_new, timer_gettime, GLIBC_2_34);
|
|
libc_hidden_ver (___timer_gettime_new, __timer_gettime_new)
|
|
|
|
# if OTHER_SHLIB_COMPAT (librt, GLIBC_2_3_3, GLIBC_2_34)
|
|
compat_symbol (librt, ___timer_gettime_new, timer_gettime, GLIBC_2_3_3);
|
|
# endif
|
|
|
|
# if OTHER_SHLIB_COMPAT (librt, GLIBC_2_2, GLIBC_2_3_3)
|
|
int
|
|
__timer_gettime_old (int timerid, struct itimerspec *value)
|
|
{
|
|
return __timer_gettime_new (__timer_compat_list[timerid], value);
|
|
}
|
|
compat_symbol (librt, __timer_gettime_old, timer_gettime, GLIBC_2_2);
|
|
# endif
|
|
|
|
#endif /* TIMER_T_WAS_INT_COMPAT */
|