brk.s revision 9a70fc3be3b1e966bf78825cdb8d509963a6f0a1
/*
* 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 2004 Sun Microsystems, Inc. All rights reserved.
* Use is subject to license terms.
*/
.file "brk.s"
#include "SYS.h"
/*
* _brk_unlocked() simply traps into the kernel to set the brk. It
* returns 0 if the break was successfully set, or -1 otherwise.
* It doesn't enforce any alignment and it doesn't perform any locking.
* _brk_unlocked() is only called from brk() and _sbrk_unlocked().
*/
ENTRY_NP(_brk_unlocked)
SYSTRAP_RVAL1(brk)
SYSCERROR
RETC
SET_SIZE(_brk_unlocked)