/**************************************************************************
*
* Copyright 2009-2010 VMware, Inc.
* All Rights Reserved.
*
* Permission is hereby granted, free of charge, to any person obtaining a
* copy of this software and associated documentation files (the
* "Software"), to deal in the Software without restriction, including
* without limitation the rights to use, copy, modify, merge, publish,
* distribute, sub license, and/or sell copies of the Software, and to
* permit persons to whom the Software is furnished to do so, subject to
* the following conditions:
*
* The above copyright notice and this permission notice (including the
* next paragraph) shall be included in all copies or substantial portions
* of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
* OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT.
* IN NO EVENT SHALL VMWARE AND/OR ITS SUPPLIERS BE LIABLE FOR
* ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,
* TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE
* SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
*
**************************************************************************/
/*
* Test case for pipe_barrier.
*
* The test succeeds if no thread exits before all the other threads reach
* the barrier.
*/
#include <stdio.h>
#include "os/os_thread.h"
#include "os/os_time.h"
#define NUM_THREADS 10
static pipe_thread threads[NUM_THREADS];
static pipe_barrier barrier;
static int thread_ids[NUM_THREADS];
static PIPE_THREAD_ROUTINE(thread_function, thread_data)
{
int thread_id = *((int *) thread_data);
printf("thread %d starting\n", thread_id
); os_time_sleep(thread_id * 1000 * 1000);
printf("thread %d before barrier\n", thread_id
); pipe_barrier_wait(&barrier);
printf("thread %d exiting\n", thread_id
);
return NULL;
}
int main()
{
int i;
printf("pipe_barrier_test starting\n");
pipe_barrier_init(&barrier, NUM_THREADS);
for (i = 0; i < NUM_THREADS; i++) {
thread_ids[i] = i;
threads[i] = pipe_thread_create(thread_function, (void *) &thread_ids[i]);
}
for (i = 0; i < NUM_THREADS; i++ ) {
pipe_thread_wait(threads[i]);
}
pipe_barrier_destroy(&barrier);
printf("pipe_barrier_test exiting\n");
return 0;
}