diff options
Diffstat (limited to 'pthreads/tests/barrier6.c')
| -rw-r--r-- | pthreads/tests/barrier6.c | 235 |
1 files changed, 118 insertions, 117 deletions
diff --git a/pthreads/tests/barrier6.c b/pthreads/tests/barrier6.c index 76c673779..d4d821454 100644 --- a/pthreads/tests/barrier6.c +++ b/pthreads/tests/barrier6.c @@ -1,117 +1,118 @@ -/*
- * 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;
-}
+/* + * barrier6.c + * + * + * -------------------------------------------------------------------------- + * + * Pthreads-win32 - POSIX Threads Library for Win32 + * Copyright(C) 1998 John E. Bossom + * Copyright(C) 1999,2012 Pthreads-win32 contributors + * + * Homepage1: http://sourceware.org/pthreads-win32/ + * Homepage2: http://sourceforge.net/projects/pthreads4w/ + * + * 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; +} |