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/js/lib/Socket.IO-node/support/expresso/deps/jscoverage/js/jslocko.asm

http://github.com/onedayitwillmake/RealtimeMultiplayerNodeJs
Assembly | 60 lines | 16 code | 5 blank | 39 comment | 0 complexity | a45d834e2dc3968b718314c2600b8a76 MD5 | raw file
 1; -*- Mode: asm; tab-width: 8; c-basic-offset: 4 -*-
 2
 3; ***** BEGIN LICENSE BLOCK *****
 4; Version: MPL 1.1/GPL 2.0/LGPL 2.1
 5; 
 6; The contents of this file are subject to the Mozilla Public License Version 
 7; 1.1 (the "License"); you may not use this file except in compliance with 
 8; the License. You may obtain a copy of the License at 
 9; http://www.mozilla.org/MPL/
10; 
11; Software distributed under the License is distributed on an "AS IS" basis,
12; WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
13; for the specific language governing rights and limitations under the
14; License.
15; 
16; The Original Code is an OS/2 implementation of js_CompareAndSwap in assembly.
17; 
18; The Initial Developer of the Original Code is
19; IBM Corporation.
20; Portions created by the Initial Developer are Copyright (C) 2001
21; the Initial Developer. All Rights Reserved.
22; 
23; Contributor(s):
24; 
25; Alternatively, the contents of this file may be used under the terms of
26; either the GNU General Public License Version 2 or later (the "GPL"), or
27; the GNU Lesser General Public License Version 2.1 or later (the "LGPL"),
28; in which case the provisions of the GPL or the LGPL are applicable instead
29; of those above. If you wish to allow use of your version of this file only
30; under the terms of either the GPL or the LGPL, and not to allow others to
31; use your version of this file under the terms of the MPL, indicate your
32; decision by deleting the provisions above and replace them with the notice
33; and other provisions required by the GPL or the LGPL. If you do not delete
34; the provisions above, a recipient may use your version of this file under
35; the terms of any one of the MPL, the GPL or the LGPL.
36; 
37; ***** END LICENSE BLOCK *****
38
39        .486P
40        .MODEL FLAT, OPTLINK
41        .STACK
42
43        .CODE
44
45;;;---------------------------------------------------------------------
46;;; int _Optlink js_CompareAndSwap(jsword *w, jsword ov, jsword nv)
47;;;---------------------------------------------------------------------
48js_CompareAndSwap     PROC OPTLINK EXPORT
49        push ebx
50        mov ebx, eax
51        mov eax, edx
52        mov edx, ebx
53        lock cmpxchg [ebx], ecx
54        sete al
55        and eax, 1h
56        pop ebx
57        ret
58js_CompareAndSwap     endp
59
60        END