From 2715f28ad4494dcf5da41398a6dbf2e43042620d Mon Sep 17 00:00:00 2001 From: Ulrich Drepper Date: Thu, 8 Jun 2000 19:54:27 +0000 Subject: Update. * sysdeps/pthread/Makefile: New file. Add rules to build timer functionality. * sysdeps/unix/sysv/linux/bits/local_lim.h: Add TIMER_MAX. 2000-06-04 Kaz Kylheku * sysdeps/pthread/posix-timer.h: New file. * sysdeps/pthread/timer_create.c: New file. * sysdeps/pthread/timer_delete.c: New file. * sysdeps/pthread/timer_getoverr.c: New file. * sysdeps/pthread/timer_gettime.c: New file. * sysdeps/pthread/timer_routines.c: New file. * sysdeps/pthread/timer_settime.c: New file. * sysdeps/pthread/tst-timer.c: New file. 2000-06-08 Ulrich Drepper --- linuxthreads/sysdeps/pthread/timer_delete.c | 69 +++++++++++++++++++++++++++++ 1 file changed, 69 insertions(+) create mode 100644 linuxthreads/sysdeps/pthread/timer_delete.c (limited to 'linuxthreads/sysdeps/pthread/timer_delete.c') diff --git a/linuxthreads/sysdeps/pthread/timer_delete.c b/linuxthreads/sysdeps/pthread/timer_delete.c new file mode 100644 index 0000000000..9e83ae1ab7 --- /dev/null +++ b/linuxthreads/sysdeps/pthread/timer_delete.c @@ -0,0 +1,69 @@ +/* Copyright (C) 2000 Free Software Foundation, Inc. + This file is part of the GNU C Library. + Contributed by Kaz Kylheku . + + The GNU C Library is free software; you can redistribute it and/or + modify it under the terms of the GNU Library General Public License as + published by the Free Software Foundation; either version 2 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 + Library General Public License for more details. + + You should have received a copy of the GNU Library General Public + License along with the GNU C Library; see the file COPYING.LIB. If not, + write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330, + Boston, MA 02111-1307, USA. */ + +#include +#include +#include +#include + +#include "posix-timer.h" + + +/* Delete timer TIMERID. */ +int +timer_delete (timerid) + timer_t timerid; +{ + struct timer_node *timer; + int retval = -1; + + pthread_mutex_lock (&__timer_mutex); + + timer = timer_id2ptr (timerid); + if (timer == NULL) + /* Invalid timer ID or the timer is not in use. */ + errno = EINVAL; + else + { + if (timer->armed) + { + struct thread_node *thread = timer->thread; + assert (thread != NULL); + + /* If thread is cancelled while waiting for handler to terminate, + the mutex is unlocked and timer_delete is aborted. */ + pthread_cleanup_push (__timer_mutex_cancel_handler, &__timer_mutex); + + /* If timer is currently being serviced, wait for it to finish. */ + while (thread->current_timer == timer) + pthread_cond_wait (&thread->cond, &__timer_mutex); + + pthread_cleanup_pop (0); + } + + /* Remove timer from whatever queue it may be on and deallocate it. */ + list_unlink (&timer->links); + __timer_dealloc (timer); + retval = 0; + } + + pthread_mutex_unlock (&__timer_mutex); + + return retval; +} -- cgit v1.2.3