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/* 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-posix-timers.h"
#include <pthreadP.h>
#include <shlib-compat.h>
int
___timer_delete (timer_t timerid)
{
if (timer_is_sigev_thread (timerid))
{
struct pthread *th = timerid_to_pthread (timerid);
/* The helper thread itself will be responsible to call the
timer_delete syscall. */
kernel_timer_t timerid = atomic_load_relaxed (&th->timerid);
atomic_store_relaxed (&th->timerid, timerid | INT_MIN);
__pthread_kill_internal ((pthread_t) th, SIGTIMER);
return 0;
}
return INLINE_SYSCALL_CALL (timer_delete, timerid);
}
versioned_symbol (libc, ___timer_delete, timer_delete, GLIBC_2_34);
libc_hidden_ver (___timer_delete, __timer_delete)
#if TIMER_T_WAS_INT_COMPAT
# if OTHER_SHLIB_COMPAT (librt, GLIBC_2_3_3, GLIBC_2_34)
compat_symbol (librt, ___timer_delete, timer_delete, GLIBC_2_3_3);
#endif
# if OTHER_SHLIB_COMPAT (librt, GLIBC_2_2, GLIBC_2_3_3)
int
__timer_delete_old (int timerid)
{
int res = __timer_delete (__timer_compat_list[timerid]);
if (res == 0)
/* Successful timer deletion, now free the index. We only need to
store a word and that better be atomic. */
__timer_compat_list[timerid] = NULL;
return res;
}
compat_symbol (librt, __timer_delete_old, timer_delete, GLIBC_2_2);
# endif /* OTHER_SHLIB_COMPAT */
#else /* !TIMER_T_WAS_INT_COMPAT */
/* The transition from int to timer_t did not change ABI because the
type sizes are the same. */
# if OTHER_SHLIB_COMPAT (librt, GLIBC_2_2, GLIBC_2_34)
compat_symbol (librt, ___timer_delete, timer_delete, GLIBC_2_2);
# endif
#endif /* !TIMER_T_WAS_INT_COMPAT */
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