1 /* Copyright (C) 2000-2014 Free Software Foundation, Inc.
2 This file is part of the GNU C Library.
3 Contributed by Kaz Kylheku <kaz@ashi.footprints.net>.
5 The GNU C Library is free software; you can redistribute it and/or
6 modify it under the terms of the GNU Lesser General Public License as
7 published by the Free Software Foundation; either version 2.1 of the
8 License, or (at your option) any later version.
10 The GNU C Library is distributed in the hope that it will be useful,
11 but WITHOUT ANY WARRANTY; without even the implied warranty of
12 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
13 Lesser General Public License for more details.
15 You should have received a copy of the GNU Lesser General Public
16 License along with the GNU C Library; see the file COPYING.LIB. If
17 not, see <http://www.gnu.org/licenses/>. */
24 #include "posix-timer.h"
27 /* Delete timer TIMERID. */
29 timer_delete (timerid
)
32 struct timer_node
*timer
;
35 pthread_mutex_lock (&__timer_mutex
);
37 timer
= timer_id2ptr (timerid
);
38 if (! timer_valid (timer
))
39 /* Invalid timer ID or the timer is not in use. */
43 if (timer
->armed
&& timer
->thread
!= NULL
)
45 struct thread_node
*thread
= timer
->thread
;
46 assert (thread
!= NULL
);
48 /* If thread is cancelled while waiting for handler to terminate,
49 the mutex is unlocked and timer_delete is aborted. */
50 pthread_cleanup_push (__timer_mutex_cancel_handler
, &__timer_mutex
);
52 /* If timer is currently being serviced, wait for it to finish. */
53 while (thread
->current_timer
== timer
)
54 pthread_cond_wait (&thread
->cond
, &__timer_mutex
);
56 pthread_cleanup_pop (0);
59 /* Remove timer from whatever queue it may be on and deallocate it. */
60 timer
->inuse
= TIMER_DELETED
;
61 list_unlink_ip (&timer
->links
);
66 pthread_mutex_unlock (&__timer_mutex
);