common/pid/tst.vfork.c

	tst.vfork.c revision 9512fe850e98fdd448c638ca63fdd92a8a510255
/*
 * CDDL HEADER START
 *
 * The contents of this file are subject to the terms of the
 * Common Development and Distribution License (the "License").
 * You may not use this file except in compliance with the License.
 *
 * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
 * or http://www.opensolaris.org/os/licensing.
 * See the License for the specific language governing permissions
 * and limitations under the License.
 *
 * When distributing Covered Code, include this CDDL HEADER in each
 * file and include the License file at usr/src/OPENSOLARIS.LICENSE.
 * If applicable, add the following below this CDDL HEADER, with the
 * fields enclosed by brackets "[]" replaced with your own identifying
 * information: Portions Copyright [yyyy] [name of copyright owner]
 *
 * CDDL HEADER END
 */

/*
 * Copyright 2006 Sun Microsystems, Inc.  All rights reserved.
 * Use is subject to license terms.
 */

#pragma ident   "%Z%%M% %I% %E% SMI"

#include <unistd.h>

int
waiting(volatile int *a)
{
    return (*a);
}

int
go(void)
{
    int i, j, total = 0;

    for (i = 0; i < 10; i++) {
        for (j = 0; j < 10; j++) {
            total += i * j;
        }
    }

    return (total);
}

int
main(int argc, char **argv)
{
    volatile int a = 0;

    while (waiting(&a) == 0)
        continue;

    if (vfork() == 0) {
        int ret = go();
        (void) _exit(ret);
    }

    return (0);
}