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      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 
     33 static void*
     34 thread_func( void*  arg )
     35 {
     36     fprintf(stderr, "thread %ld\n", (long)arg );
     37     return NULL;
     38 }
     39 
     40 int  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