PSARC/2005/471 BrandZ: Support for non-native zones
6374606 ::nm -D without an object may not work on processes in zones
6409350 BrandZ project integration into Solaris
6455289 pthread_setschedparam() should return EPERM rather than panic libc
6455591 setpriority(3C) gets errno wrong for deficient privileges failure
6458178 fifofs doesn't support lofs mounts of fifos
6460380 Attempted open() of a symlink with the O_NOFOLLOW flag set returns EINVAL, not ELOOP
6463857 renice(1) errors erroneously
/*
* 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);
}