From b29903300adc22ed277bbaa356aca8ed0c245957 Mon Sep 17 00:00:00 2001 From: rpj Date: Fri, 8 Feb 2002 01:51:17 +0000 Subject: Copyright notice updates; module splitting; POSIX version conditional compilation; refinements; bug fixes. See the ChangeLog. --- barrier_destroy.c | 70 +++++++++++++++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 70 insertions(+) create mode 100644 barrier_destroy.c (limited to 'barrier_destroy.c') diff --git a/barrier_destroy.c b/barrier_destroy.c new file mode 100644 index 0000000..c8c2142 --- /dev/null +++ b/barrier_destroy.c @@ -0,0 +1,70 @@ +/* + * barrier_destroy.c + * + * Description: + * This translation unit implements barrier primitives. + * + * -------------------------------------------------------------------------- + * + * Pthreads-win32 - POSIX Threads Library for Win32 + * Copyright(C) 1998 John E. Bossom + * Copyright(C) 1999,2002 Pthreads-win32 contributors + * + * Contact Email: rpj@ise.canberra.edu.au + * + * The current list of contributors is contained + * in the file CONTRIBUTORS included with the source + * code distribution. The list can also be seen at the + * following World Wide Web location: + * http://sources.redhat.com/pthreads-win32/contributors.html + * + * This 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 of the License, or (at your option) any later version. + * + * This 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 this library in the file COPYING.LIB; + * if not, write to the Free Software Foundation, Inc., + * 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA + */ + +#include "pthread.h" +#include "implement.h" + + +int +pthread_barrier_destroy(pthread_barrier_t *barrier) +{ + int result = 0; + pthread_barrier_t b; + + if (barrier == NULL || *barrier == (pthread_barrier_t) PTW32_OBJECT_INVALID) + { + return EINVAL; + } + + b = *barrier; + *barrier = NULL; + + if (0 == (result = sem_destroy(&(b->semBarrierBreeched[0])))) + { + if (0 == (result = sem_destroy(&(b->semBarrierBreeched[1])))) + { + (void) free(b); + return 0; + } + (void) sem_init(&(b->semBarrierBreeched[0]), + b->pshared, + 0); + } + + *barrier = b; + return(result); +} + -- cgit v1.2.3