+++ /dev/null
-/*
- * Copyright (C) 2008 The Android Open Source Project
- * All rights reserved.
- *
- * Redistribution and use in source and binary forms, with or without
- * modification, are permitted provided that the following conditions
- * are met:
- * * Redistributions of source code must retain the above copyright
- * notice, this list of conditions and the following disclaimer.
- * * Redistributions in binary form must reproduce the above copyright
- * notice, this list of conditions and the following disclaimer in
- * the documentation and/or other materials provided with the
- * distribution.
- *
- * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
- * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
- * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
- * FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
- * COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
- * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
- * BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS
- * OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED
- * AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
- * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT
- * OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
- * SUCH DAMAGE.
- */
-#include <pthread.h>
-#include <stdio.h>
-#include <stdlib.h>
-#include <time.h>
-
-#define N_THREADS 100
-
-static pthread_once_t once = PTHREAD_ONCE_INIT;
-
-static int global_count = 0;
-
-static void
-once_function( void )
-{
- struct timespec ts;
-
- global_count += 1;
-
- ts.tv_sec = 2;
- ts.tv_nsec = 0;
- nanosleep (&ts, NULL);
-}
-
-static void*
-thread_function(void* arg)
-{
- pthread_once( &once, once_function );
-
- if (global_count != 1) {
- printf ("thread %ld: global == %d\n", (long int) arg, global_count);
- exit (1);
- }
- return NULL;
-}
-
-int main( void )
-{
- pthread_t threads[N_THREADS];
- int nn;
-
- for (nn = 0; nn < N_THREADS; nn++) {
- if (pthread_create( &threads[nn], NULL, thread_function, (void*)(long int)nn) < 0) {
- printf("creation of thread %d failed\n", nn);
- return 1;
- }
- }
-
- for (nn = 0; nn < N_THREADS; nn++) {
- if (pthread_join(threads[nn], NULL)) {
- printf("joining thread %d failed\n", nn);
- return 1;
- }
- }
- return 0;
-}