зеркало из https://github.com/mozilla/gecko-dev.git
92 строки
2.8 KiB
C++
92 строки
2.8 KiB
C++
/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
|
|
/* ***** BEGIN LICENSE BLOCK *****
|
|
* Version: NPL 1.1/GPL 2.0/LGPL 2.1
|
|
*
|
|
* The contents of this file are subject to the Netscape 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/NPL/
|
|
*
|
|
* 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 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 NPL, 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 NPL, 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;
|
|
}
|