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1 /* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 2 -*- */ | 1 /* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 2 -*- */ |
2 /* ***** BEGIN LICENSE BLOCK ***** | 2 /* This Source Code Form is subject to the terms of the Mozilla Public |
3 * Version: MPL 1.1/GPL 2.0/LGPL 2.1 | 3 * License, v. 2.0. If a copy of the MPL was not distributed with this |
4 * | 4 * file, You can obtain one at http://mozilla.org/MPL/2.0/. */ |
5 * The contents of this file are subject to the Mozilla Public License Version | |
6 * 1.1 (the "License"); you may not use this file except in compliance with | |
7 * the License. You may obtain a copy of the License at | |
8 * http://www.mozilla.org/MPL/ | |
9 * | |
10 * Software distributed under the License is distributed on an "AS IS" basis, | |
11 * WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License | |
12 * for the specific language governing rights and limitations under the | |
13 * License. | |
14 * | |
15 * The Original Code is the Netscape Portable Runtime (NSPR). | |
16 * | |
17 * The Initial Developer of the Original Code is | |
18 * Netscape Communications Corporation. | |
19 * Portions created by the Initial Developer are Copyright (C) 1998-2000 | |
20 * the Initial Developer. All Rights Reserved. | |
21 * | |
22 * Contributor(s): | |
23 * | |
24 * Alternatively, the contents of this file may be used under the terms of | |
25 * either the GNU General Public License Version 2 or later (the "GPL"), or | |
26 * the GNU Lesser General Public License Version 2.1 or later (the "LGPL"), | |
27 * in which case the provisions of the GPL or the LGPL are applicable instead | |
28 * of those above. If you wish to allow use of your version of this file only | |
29 * under the terms of either the GPL or the LGPL, and not to allow others to | |
30 * use your version of this file under the terms of the MPL, indicate your | |
31 * decision by deleting the provisions above and replace them with the notice | |
32 * and other provisions required by the GPL or the LGPL. If you do not delete | |
33 * the provisions above, a recipient may use your version of this file under | |
34 * the terms of any one of the MPL, the GPL or the LGPL. | |
35 * | |
36 * ***** END LICENSE BLOCK ***** */ | |
37 | 5 |
38 /* | 6 /* |
39 * w95cv.c -- Windows 95 Machine-Dependent Code for Condition Variables | 7 * w95cv.c -- Windows 95 Machine-Dependent Code for Condition Variables |
40 * | 8 * |
41 * We implement our own condition variable wait queue. Each thread | 9 * We implement our own condition variable wait queue. Each thread |
42 * has a semaphore object (thread->md.blocked_sema) to block on while | 10 * has a semaphore object (thread->md.blocked_sema) to block on while |
43 * waiting on a condition variable. | 11 * waiting on a condition variable. |
44 * | 12 * |
45 * We use a deferred condition notify algorithm. When PR_NotifyCondVar | 13 * We use a deferred condition notify algorithm. When PR_NotifyCondVar |
46 * or PR_NotifyAllCondVar is called, the condition notifies are simply | 14 * or PR_NotifyAllCondVar is called, the condition notifies are simply |
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338 | 306 |
339 void _PR_MD_UNLOCK(_MDLock *lock) | 307 void _PR_MD_UNLOCK(_MDLock *lock) |
340 { | 308 { |
341 if (0 != lock->notified.length) { | 309 if (0 != lock->notified.length) { |
342 md_UnlockAndPostNotifies(lock, NULL, NULL); | 310 md_UnlockAndPostNotifies(lock, NULL, NULL); |
343 } else { | 311 } else { |
344 LeaveCriticalSection(&lock->mutex); | 312 LeaveCriticalSection(&lock->mutex); |
345 } | 313 } |
346 return; | 314 return; |
347 } | 315 } |
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