2N/A * The contents of this file are subject to the terms of the 2N/A * Common Development and Distribution License (the "License"). 2N/A * You may not use this file except in compliance with the License. 2N/A * See the License for the specific language governing permissions 2N/A * and limitations under the License. 2N/A * When distributing Covered Code, include this CDDL HEADER in each 2N/A * If applicable, add the following below this CDDL HEADER, with the 2N/A * fields enclosed by brackets "[]" replaced with your own identifying 2N/A * information: Portions Copyright [yyyy] [name of copyright owner] 2N/A * Copyright (c) 1997, 2012, Oracle and/or its affiliates. All rights reserved. 2N/A * _brk_unlocked() simply traps into the kernel to set the brk. It 2N/A * returns 0 if the break was successfully set, or -1 otherwise. 2N/A * It doesn't enforce any alignment and it doesn't perform any locking. 2N/A * _brk_unlocked() is only called from brk() and _sbrk_unlocked().