/*

 * 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 <errno.h>

#include <unistd.h>

#include <sys/lx_misc.h>

/*

 * fork() and vfork()

 *

 * These cannot be pass thru system calls because we need libc to do its own

 * initialization or else bad things will happen (i.e. ending up with a bad

 * schedctl page).  On Linux, there is no such thing as forkall(), so we use

 * fork1() here.

 */

int

lx_fork(void)

{

	int ret = fork1();

	return (ret == -1 ? -errno : ret);

}

/*

 * For vfork(), we have a serious problem because the child is not allowed to

 * return from the current frame because it will corrupt the parent's stack.

 * Since the semantics of vfork() are rather ill-defined (other than "it's

 * faster than fork"), we should theoretically be safe by falling back to

 * fork1().

 */

int

lx_vfork(void)

{

	int ret = fork1();

	return (ret == -1 ? -errno : ret);

}