COMMENT | -*- Mode: asm; tab-width: 8; c-basic-offset: 4 -*- ***** BEGIN LICENSE BLOCK ***** Version: MPL 1.1/GPL 2.0/LGPL 2.1 The contents of this file are subject to the Mozilla Public License Version 1.1 (the "License"); you may not use this file except in compliance with the License. You may obtain a copy of the License at http://www.mozilla.org/MPL/ Software distributed under the License is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License for the specific language governing rights and limitations under the License. The Original Code is an OS/2 implementation of js_CompareAndSwap in assembly The Initial Developer of the Original Code is IBM Corporation. Portions created by the Initial Developer are Copyright (C) 2001 the Initial Developer. All Rights Reserved. Contributor(s): Alternatively, the contents of this file may be used under the terms of either the GNU General Public License Version 2 or later (the "GPL"), or the GNU Lesser General Public License Version 2.1 or later (the "LGPL"), in which case the provisions of the GPL or the LGPL are applicable instead of those above. If you wish to allow use of your version of this file only under the terms of either the GPL or the LGPL, and not to allow others to use your version of this file under the terms of the MPL, indicate your decision by deleting the provisions above and replace them with the notice and other provisions required by the GPL or the LGPL. If you do not delete the provisions above, a recipient may use your version of this file under the terms of any one of the MPL, the GPL or the LGPL. ***** END LICENSE BLOCK ***** | .486P .MODEL FLAT, OPTLINK .STACK .CODE ;;;--------------------------------------------------------------------- ;;; int _Optlink js_CompareAndSwap(jsword *w, jsword ov, jsword nv) ;;;--------------------------------------------------------------------- js_CompareAndSwap PROC OPTLINK EXPORT push ebx mov ebx, eax mov eax, edx mov edx, ebx lock cmpxchg [ebx], ecx sete al and eax, 1h pop ebx ret js_CompareAndSwap endp END