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110 lines
3.5 KiB
C
110 lines
3.5 KiB
C
/* Copyright (C) 2003-2025 Free Software Foundation, Inc.
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This file is part of the GNU C Library.
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The GNU C Library is free software; you can redistribute it and/or
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modify it under the terms of the GNU Lesser General Public License as
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published by the Free Software Foundation; either version 2.1 of the
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License, or (at your option) any later version.
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The GNU C Library is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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Lesser General Public License for more details.
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You should have received a copy of the GNU Lesser General Public
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License along with the GNU C Library; see the file COPYING.LIB. If
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not, see <https://www.gnu.org/licenses/>. */
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#include <errno.h>
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#include <stdlib.h>
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#include <time.h>
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#include <sysdep.h>
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#include <kernel-features.h>
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#include "kernel-posix-timers.h"
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#include <shlib-compat.h>
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#if !TIMER_T_WAS_INT_COMPAT
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int
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___timer_gettime64 (timer_t timerid, struct __itimerspec64 *value)
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{
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kernel_timer_t ktimerid = timerid_to_kernel_timer (timerid);
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# ifndef __NR_timer_gettime64
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# define __NR_timer_gettime64 __NR_timer_gettime
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# endif
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int ret = INLINE_SYSCALL_CALL (timer_gettime64, ktimerid, value);
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# ifndef __ASSUME_TIME64_SYSCALLS
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if (ret == 0 || errno != ENOSYS)
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return ret;
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struct itimerspec its32;
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ret = INLINE_SYSCALL_CALL (timer_gettime, ktimerid, &its32);
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if (ret == 0)
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{
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value->it_interval = valid_timespec_to_timespec64 (its32.it_interval);
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value->it_value = valid_timespec_to_timespec64 (its32.it_value);
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}
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# endif
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return ret;
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}
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# if __TIMESIZE == 64
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versioned_symbol (libc, ___timer_gettime64, timer_gettime, GLIBC_2_34);
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# if OTHER_SHLIB_COMPAT (librt, GLIBC_2_2, GLIBC_2_34)
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compat_symbol (librt, ___timer_gettime64, timer_gettime, GLIBC_2_2);
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# endif
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# else /* __TIMESIZE != 64 */
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libc_hidden_ver (___timer_gettime64, __timer_gettime64)
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versioned_symbol (libc, ___timer_gettime64, __timer_gettime64, GLIBC_2_34);
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int
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__timer_gettime (timer_t timerid, struct itimerspec *value)
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{
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struct __itimerspec64 its64;
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int retval = __timer_gettime64 (timerid, &its64);
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if (retval == 0)
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{
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value->it_interval = valid_timespec64_to_timespec (its64.it_interval);
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value->it_value = valid_timespec64_to_timespec (its64.it_value);
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}
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return retval;
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}
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versioned_symbol (libc, __timer_gettime, timer_gettime, GLIBC_2_34);
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# if OTHER_SHLIB_COMPAT (librt, GLIBC_2_2, GLIBC_2_34)
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compat_symbol (librt, __timer_gettime, timer_gettime, GLIBC_2_2);
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# endif
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# endif /* __TIMESIZE != 64 */
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#else /* TIMER_T_WAS_INT_COMPAT */
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extern __typeof (timer_gettime) __timer_gettime_new;
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libc_hidden_proto (__timer_gettime_new)
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int
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___timer_gettime_new (timer_t timerid, struct itimerspec *value)
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{
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kernel_timer_t ktimerid = timerid_to_kernel_timer (timerid);
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return INLINE_SYSCALL_CALL (timer_gettime, ktimerid, value);
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}
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versioned_symbol (libc, ___timer_gettime_new, timer_gettime, GLIBC_2_34);
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libc_hidden_ver (___timer_gettime_new, __timer_gettime_new)
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# if OTHER_SHLIB_COMPAT (librt, GLIBC_2_3_3, GLIBC_2_34)
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compat_symbol (librt, ___timer_gettime_new, timer_gettime, GLIBC_2_3_3);
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# endif
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# if OTHER_SHLIB_COMPAT (librt, GLIBC_2_2, GLIBC_2_3_3)
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int
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__timer_gettime_old (int timerid, struct itimerspec *value)
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{
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return __timer_gettime_new (__timer_compat_list[timerid], value);
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}
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compat_symbol (librt, __timer_gettime_old, timer_gettime, GLIBC_2_2);
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# endif
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#endif /* TIMER_T_WAS_INT_COMPAT */
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