test_thread_max.c revision e16cb84e2324f05334d18dcf5956f20f44262b62 
1/*
2 * Copyright (C) 2008 The Android Open Source Project
3 * All rights reserved.
4 *
5 * Redistribution and use in source and binary forms, with or without
6 * modification, are permitted provided that the following conditions
7 * are met:
8 *  * Redistributions of source code must retain the above copyright
9 *    notice, this list of conditions and the following disclaimer.
10 *  * Redistributions in binary form must reproduce the above copyright
11 *    notice, this list of conditions and the following disclaimer in
12 *    the documentation and/or other materials provided with the
13 *    distribution.
14 *
15 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
16 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
17 * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
18 * FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
19 * COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
20 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
21 * BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS
22 * OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED
23 * AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
24 * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT
25 * OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
26 * SUCH DAMAGE.
27 */
28#include <pthread.h>
29#include <stdio.h>
30#include <time.h>
31#include <unistd.h>
32
33static void*
34thread_func( void*  arg )
35{
36    fprintf(stderr, "thread %ld\n", (long)arg );
37    return NULL;
38}
39
40int  main( void )
41{
42    int              count;
43    pthread_attr_t   attr;
44
45    pthread_attr_init(&attr);
46    pthread_attr_setdetachstate( &attr, PTHREAD_CREATE_DETACHED );
47    pthread_attr_setstacksize( &attr, 16*4096 );
48
49    for ( count = 0; count != ~0; count++ ) {
50        pthread_t        thread;
51        struct timespec  ts;
52
53        if (pthread_create( &thread, &attr, thread_func, (void*)(long)count ) < 0) {
54            fprintf(stderr, "could not create thread %d\n", count);
55            break;
56        }
57        ts.tv_sec  = 0;
58        ts.tv_nsec = 0.002*1e9;
59        nanosleep( &ts, &ts );
60    }
61    sleep(1);
62    return 0;
63}
64