/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; 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 mozilla.org code. * * The Initial Developer of the Original Code is * Netscape Communications Corporation. * Portions created by the Initial Developer are Copyright (C) 1998 * the Initial Developer. All Rights Reserved. * * Contributor(s): * * Alternatively, the contents of this file may be used under the terms of * either of 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 ***** */ /* Some tests for nsAutoLock. */ #include "nsAutoLock.h" #include "prthread.h" PRLock* gLock; int gCount; static void PR_CALLBACK run(void* arg) { for (int i = 0; i < 1000000; ++i) { nsAutoLock guard(gLock); ++gCount; PR_ASSERT(gCount == 1); --gCount; } } int main(int argc, char** argv) { gLock = PR_NewLock(); gCount = 0; // This shouldn't compile //nsAutoLock* l1 = new nsAutoLock(theLock); //delete l1; // Create a block-scoped lock. This should compile. { nsAutoLock l2(gLock); } // Fork a thread to access the shared variable in a tight loop PRThread* t1 = PR_CreateThread(PR_SYSTEM_THREAD, run, nsnull, PR_PRIORITY_NORMAL, PR_GLOBAL_THREAD, PR_JOINABLE_THREAD, 0); // ...and now do the same thing ourselves run(nsnull); // Wait for the background thread to finish, if necessary. PR_JoinThread(t1); return 0; }