diff options
author | rpj <rpj> | 2010-06-22 00:22:53 +0000 |
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committer | rpj <rpj> | 2010-06-22 00:22:53 +0000 |
commit | 539bf1c730fc85554b05b267d82bc7ea6b1d9003 (patch) | |
tree | 4e94bfe08c3bd898e38be9ebc8a88af64fc3dd47 /tests/barrier6.c | |
parent | 60cdc53c3954cafc16a1e0698328c12d3a3c1e83 (diff) |
New test
Diffstat (limited to 'tests/barrier6.c')
-rwxr-xr-x | tests/barrier6.c | 117 |
1 files changed, 117 insertions, 0 deletions
diff --git a/tests/barrier6.c b/tests/barrier6.c new file mode 100755 index 0000000..f49d7d7 --- /dev/null +++ b/tests/barrier6.c @@ -0,0 +1,117 @@ +/* + * barrier6.c + * + * + * -------------------------------------------------------------------------- + * + * Pthreads-win32 - POSIX Threads Library for Win32 + * Copyright(C) 1998 John E. Bossom + * Copyright(C) 1999,2005 Pthreads-win32 contributors + * + * Contact Email: rpj@callisto.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 + * + * -------------------------------------------------------------------------- + * + * Destroy the barrier after initial count threads are released then let + * additional threads attempt to wait on it. + * + */ + +#include "test.h" + +enum { + NUMTHREADS = 31 +}; + +pthread_barrier_t barrier = NULL; +pthread_mutex_t mx = PTHREAD_MUTEX_INITIALIZER; +static int serialThreadCount = 0; +static int otherThreadCount = 0; + +void * +func(void * arg) +{ + int result = pthread_barrier_wait(&barrier); + + assert(pthread_mutex_lock(&mx) == 0); + + if (result == PTHREAD_BARRIER_SERIAL_THREAD) + { + serialThreadCount++; + } + else if (0 == result) + { + otherThreadCount++; + } + assert(pthread_mutex_unlock(&mx) == 0); + + return NULL; +} + +int +main() +{ + int i, j, k; + pthread_t t[NUMTHREADS + 1]; + + for (j = 1; j <= NUMTHREADS; j++) + { + int howHigh = j/2 + 1; + + printf("Barrier height = %d, Total threads %d\n", howHigh, j); + + serialThreadCount = 0; + otherThreadCount = 0; + + assert(pthread_barrier_init(&barrier, NULL, howHigh) == 0); + + for (i = 1; i <= j; i++) + { + assert(pthread_create(&t[i], NULL, func, NULL) == 0); + + if (i == howHigh) + { + for (k = 1; k <= howHigh; k++) + { + assert(pthread_join(t[k], NULL) == 0); + } + assert(pthread_barrier_destroy(&barrier) == 0); + } + } + + for (i = howHigh+1; i <= j; i++) + { + assert(pthread_join(t[i], NULL) == 0); + } + + assert(serialThreadCount == 1); + assert(otherThreadCount == (howHigh - 1)); + + assert(pthread_barrier_destroy(&barrier) == EINVAL); + } + + assert(pthread_mutex_destroy(&mx) == 0); + + return 0; +} |