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73 lines
2.0 KiB
C
73 lines
2.0 KiB
C
/* Copyright (C) 2003-2016 Free Software Foundation, Inc.
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This file is part of the GNU C Library.
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Contributed by Ulrich Drepper <drepper@redhat.com>, 2003.
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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 <http://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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#ifdef timer_delete_alias
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# define timer_delete timer_delete_alias
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#endif
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int
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timer_delete (timer_t timerid)
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{
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#undef timer_delete
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struct timer *kt = (struct timer *) timerid;
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/* Delete the kernel timer object. */
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int res = INLINE_SYSCALL (timer_delete, 1, kt->ktimerid);
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if (res == 0)
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{
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if (kt->sigev_notify == SIGEV_THREAD)
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{
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/* Remove the timer from the list. */
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pthread_mutex_lock (&__active_timer_sigev_thread_lock);
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if (__active_timer_sigev_thread == kt)
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__active_timer_sigev_thread = kt->next;
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else
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{
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struct timer *prevp = __active_timer_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 (&__active_timer_sigev_thread_lock);
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}
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/* Free the memory. */
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(void) free (kt);
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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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