TestIPCLocks.cpp revision 677833bc953b6cb418c701facbdcf4aa18d6c44e
/* vim:set ts=2 sw=2 sts=2 et cindent: */
/* ***** 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
*
* 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 IPC.
*
* The Initial Developer of the Original Code is IBM Corporation.
* Portions created by the Initial Developer are Copyright (C) 2004
* the Initial Developer. All Rights Reserved.
*
* Contributor(s):
* Darin Fisher <darin@meer.net>
*
* 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
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* decision by deleting the provisions above and replace them with the notice
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* the provisions above, a recipient may use your version of this file under
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*
* ***** END LICENSE BLOCK ***** */
// This test program spawns N copies of itself, and each copy spawns M threads.
// Each thread acquires and releases a named, interprocess lock.
// Randomized delays are injected at various points to exercise the system, and
// help expose any race conditions that may exist.
//
// Usage: TestIPCLocks [-N]
#include <stdlib.h>
#include <stdio.h>
#include "ipcILockService.h"
#include "ipcLockCID.h"
#include "nsIServiceManagerUtils.h"
#include "nsIEventQueueService.h"
#include "nsCOMPtr.h"
#include "nsXPCOM.h"
#include "prproces.h"
#include "prprf.h"
#include <unistd.h>
static unsigned GetPID()
{
return (unsigned) getpid();
}
#include <windows.h>
static unsigned GetPID()
{
return (unsigned) GetCurrentProcessId();
}
#else
static unsigned int GetPID()
{
return 0; // implement me!
}
#endif
{
char buf[512];
}
{
//LOG("putting thread to sleep for %u ms\n", ms);
}
static ipcILockService *gLockService;
{
//LOG("done sleeping\n");
if (NS_SUCCEEDED(rv))
{
//LOG("acquired lock \"%s\"\n", lockName);
//LOG("releasing lock \"%s\"\n", lockName);
{
NS_ERROR("failed to release lock");
}
}
else
{
NS_NOTREACHED("failed to acquire lock");
}
}
static const char *kLockNames[] = {
"foopy",
"test",
"1",
"xyz",
"moz4ever",
};
{
return rv;
return rv;
return rv;
int i = 0;
{
(void *) *lockName,
0);
}
for (i=0; threads[i]; ++i)
{
PR_JoinThread(threads[i]);
}
LOG("joined with all threads; exiting DoTest\n");
return NS_OK;
}
{
LOG("entering main\n");
int numProcs = 10;
// if this is a child process, then just run the test
if (argc > 1)
{
{
LOG("running child test\n");
DoTest();
return 0;
}
{
// argument is a number
if (numProcs == 0)
{
printf("### usage: TestIPCLocks [-N]\n"
"where, N is the number of test processes to spawn.\n");
return -1;
}
}
}
LOG("sleeping for 1 second\n");
int i;
// else, spawn the child processes
for (i=0; i<numProcs; ++i)
{
LOG("spawning child test\n");
}
for (i=0; i<numProcs; ++i)
return 0;
}