nspr-4.8.6/mozilla/nsprpub/pr/tests/yield.c

/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
/* ***** BEGIN LICENSE BLOCK *****
 * Version: MPL 1.1/GPL 2.0/LGPL 2.1
 *
 * The contents of this file are subject to the Mozilla Public License Version
 * 1.1 (the "License"); you may not use this file except in compliance with
 * the License. You may obtain a copy of the License at
 * http://www.mozilla.org/MPL/
 *
 * Software distributed under the License is distributed on an "AS IS" basis,
 * WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
 * for the specific language governing rights and limitations under the
 * License.
 *
 * The Original Code is the Netscape Portable Runtime (NSPR).
 *
 * The Initial Developer of the Original Code is
 * Netscape Communications Corporation.
 * Portions created by the Initial Developer are Copyright (C) 1998-2000
 * the Initial Developer. All Rights Reserved.
 *
 * Contributor(s):
 *
 * Alternatively, the contents of this file may be used under the terms of
 * either the GNU General Public License Version 2 or later (the "GPL"), or
 * the GNU Lesser General Public License Version 2.1 or later (the "LGPL"),
 * in which case the provisions of the GPL or the LGPL are applicable instead
 * of those above. If you wish to allow use of your version of this file only
 * under the terms of either the GPL or the LGPL, and not to allow others to
 * use your version of this file under the terms of the MPL, indicate your
 * decision by deleting the provisions above and replace them with the notice
 * and other provisions required by the GPL or the LGPL. If you do not delete
 * the provisions above, a recipient may use your version of this file under
 * the terms of any one of the MPL, the GPL or the LGPL.
 *
 * ***** END LICENSE BLOCK ***** */

#include <stdio.h>
#include "prthread.h"
#include "prinit.h"
#ifndef XP_OS2
#include "private/pprmisc.h"
#include <windows.h>
#else
#include "primpl.h"
#include <os2.h>
#endif

#define THREADS 10


void 
threadmain(void *_id)
{
    int id = (int)_id;
    int index;

    printf("thread %d alive\n", id);
    for (index=0; index<10; index++) {
        printf("thread %d yielding\n", id);
        PR_Sleep(0);
        printf("thread %d awake\n", id);
    }
    printf("thread %d dead\n", id);

}

int main(int argc, char **argv)
{
    int index;
    PRThread *a[THREADS];

    PR_Init(PR_USER_THREAD, PR_PRIORITY_NORMAL, 5);
    PR_STDIO_INIT();

    for (index=0; index<THREADS; index++) {
        a[index] = PR_CreateThread(PR_USER_THREAD,
                              threadmain,
                              (void *)index,
                              PR_PRIORITY_NORMAL,
                              index%2?PR_LOCAL_THREAD:PR_GLOBAL_THREAD,
                              PR_JOINABLE_THREAD,
                              0);
    }
    for(index=0; index<THREADS; index++)
        PR_JoinThread(a[index]);
    printf("main dying\n");
}