affinity.c

Netscape NSPR库源码

/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
/* 
 * 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 Netscape are 
 * Copyright (C) 1998-2000 Netscape Communications Corporation.  All
 * Rights Reserved.
 * 
 * Contributor(s):
 * 
 * Alternatively, the contents of this file may be used under the
 * terms of the GNU General Public License Version 2 or later (the
 * "GPL"), in which case the provisions of the GPL are applicable 
 * instead of those above.  If you wish to allow use of your 
 * version of this file only under the terms of the GPL and not to
 * allow others to use your version of this file under the MPL,
 * indicate your decision by deleting the provisions above and
 * replace them with the notice and other provisions required by
 * the GPL.  If you do not delete the provisions above, a recipient
 * may use your version of this file under either the MPL or the
 * GPL.
 */

#include "nspr.h"
#include "pprthred.h"
#include "plgetopt.h"

#include <stdio.h>
#include <stdlib.h>
#include <string.h>

#ifndef XP_BEOS

/*
 * Test PR_GetThreadAffinityMask
 *		The function is called by each of local, global and global bound threads
 *		The test should be run on both single and multi-cpu systems
 */
static void PR_CALLBACK thread_start(void *arg)
{
PRUint32 mask = 0;

	if (PR_GetThreadAffinityMask(PR_GetCurrentThread(), &mask)) 
		printf("\tthread_start: PR_GetCurrentThreadAffinityMask failed\n");
	else
		printf("\tthread_start: AffinityMask = 0x%x\n",mask);

}

int main(int argc, char **argv)
{
	PRThread *t;

	printf("main: creating local thread\n");

	t = PR_CreateThread(PR_USER_THREAD,
				  thread_start, 0, 
				  PR_PRIORITY_NORMAL,
				  PR_LOCAL_THREAD,
				  PR_JOINABLE_THREAD,
				  0);

	if (NULL == t) {
		printf("main: cannot create local thread\n");
		exit(1);
	}

	PR_JoinThread(t);

	printf("main: creating global thread\n");
	t = PR_CreateThread(PR_USER_THREAD,
				  thread_start, 0, 
				  PR_PRIORITY_NORMAL,
				  PR_GLOBAL_THREAD,
				  PR_JOINABLE_THREAD,
				  0);

	if (NULL == t) {
		printf("main: cannot create global thread\n");
		exit(1);
	}

	PR_JoinThread(t);

	printf("main: creating global bound thread\n");
	t = PR_CreateThread(PR_USER_THREAD,
				  thread_start, 0, 
				  PR_PRIORITY_NORMAL,
				  PR_GLOBAL_BOUND_THREAD,
				  PR_JOINABLE_THREAD,
				  0);

	if (NULL == t) {
		printf("main: cannot create global bound thread\n");
		exit(1);
	}

	PR_JoinThread(t);

    return 0;
}

#else /* !XP_BEOS */

int main()
{
	printf( "This test is not supported on the BeOS\n" );
	return 0;
}
#endif /* !XP_BEOS */