xref: /system/extras/tests/bionic/libc/other/test_thread_max.c

/*
 * 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 <time.h>
#include <unistd.h>

static void*
thread_func( void*  arg )
{
    fprintf(stderr, "thread %ld\n", (long)arg );
    return NULL;
}

int  main( void )
{
    int              count;
    pthread_attr_t   attr;

    pthread_attr_init(&attr);
    pthread_attr_setdetachstate( &attr, PTHREAD_CREATE_DETACHED );
    pthread_attr_setstacksize( &attr, 16*4096 );

    for ( count = 0; count != ~0; count++ ) {
        pthread_t        thread;
        struct timespec  ts;

        if (pthread_create( &thread, &attr, thread_func, (void*)(long)count ) < 0) {
            fprintf(stderr, "could not create thread %d\n", count);
            break;
        }
        ts.tv_sec  = 0;
        ts.tv_nsec = 0.002*1e9;
        nanosleep( &ts, &ts );
    }
    sleep(1);
    return 0;
}