diff options
| author | rpj <rpj> | 2010-06-22 00:22:53 +0000 | 
|---|---|---|
| committer | rpj <rpj> | 2010-06-22 00:22:53 +0000 | 
| commit | 539bf1c730fc85554b05b267d82bc7ea6b1d9003 (patch) | |
| tree | 4e94bfe08c3bd898e38be9ebc8a88af64fc3dd47 /tests | |
| parent | 60cdc53c3954cafc16a1e0698328c12d3a3c1e83 (diff) | |
New test
Diffstat (limited to 'tests')
| -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; +} | 
