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97 lines
2.9 KiB
C
97 lines
2.9 KiB
C
/* Copyright (C) 2003-2024 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-posix-timers.h"
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#include <pthreadP.h>
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#include <shlib-compat.h>
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int
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___timer_delete (timer_t timerid)
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{
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kernel_timer_t ktimerid = timerid_to_kernel_timer (timerid);
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int res = INLINE_SYSCALL_CALL (timer_delete, ktimerid);
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if (res == 0)
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{
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if (timer_is_sigev_thread (timerid))
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{
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struct timer *kt = timerid_to_timer (timerid);
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/* Remove the timer from the list. */
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__pthread_mutex_lock (&__timer_active_sigev_thread_lock);
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if (__timer_active_sigev_thread == kt)
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__timer_active_sigev_thread = kt->next;
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else
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{
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struct timer *prevp = __timer_active_sigev_thread;
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while (prevp->next != NULL)
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if (prevp->next == kt)
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{
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prevp->next = kt->next;
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break;
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}
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else
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prevp = prevp->next;
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}
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__pthread_mutex_unlock (&__timer_active_sigev_thread_lock);
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free (kt);
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}
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return 0;
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}
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/* The kernel timer is not known or something else bad happened.
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Return the error. */
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return -1;
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}
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versioned_symbol (libc, ___timer_delete, timer_delete, GLIBC_2_34);
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libc_hidden_ver (___timer_delete, __timer_delete)
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#if TIMER_T_WAS_INT_COMPAT
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# if OTHER_SHLIB_COMPAT (librt, GLIBC_2_3_3, GLIBC_2_34)
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compat_symbol (librt, ___timer_delete, timer_delete, 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_delete_old (int timerid)
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{
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int res = __timer_delete (__timer_compat_list[timerid]);
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if (res == 0)
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/* Successful timer deletion, now free the index. We only need to
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store a word and that better be atomic. */
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__timer_compat_list[timerid] = NULL;
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return res;
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}
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compat_symbol (librt, __timer_delete_old, timer_delete, GLIBC_2_2);
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# endif /* OTHER_SHLIB_COMPAT */
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#else /* !TIMER_T_WAS_INT_COMPAT */
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/* The transition from int to timer_t did not change ABI because the
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type sizes are the same. */
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# if OTHER_SHLIB_COMPAT (librt, GLIBC_2_2, GLIBC_2_34)
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compat_symbol (librt, ___timer_delete, timer_delete, GLIBC_2_2);
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# endif
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#endif /* !TIMER_T_WAS_INT_COMPAT */
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