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/* -*- 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;
}
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