gecko/xpcom/tests/TestThreadPool.cpp

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/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
/* vim:set ts=2 sw=2 sts=2 et cindent: */
2012-05-21 04:12:37 -07:00
/* This Source Code Form is subject to the terms of the Mozilla Public
* License, v. 2.0. If a copy of the MPL was not distributed with this
* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
#include <stdio.h>
#include <stdlib.h>
#include "nsXPCOM.h"
#include "nsXPCOMCIDInternal.h"
#include "nsIThreadPool.h"
#include "nsComponentManagerUtils.h"
#include "nsCOMPtr.h"
#include "nsIRunnable.h"
class Task : public nsIRunnable
{
public:
NS_DECL_THREADSAFE_ISUPPORTS
Task(int i) : mIndex(i) {}
NS_IMETHOD Run()
{
printf("###(%d) running from thread: %p\n", mIndex, (void *) PR_GetCurrentThread());
int r = (int) ((float) rand() * 200 / RAND_MAX);
PR_Sleep(PR_MillisecondsToInterval(r));
printf("###(%d) exiting from thread: %p\n", mIndex, (void *) PR_GetCurrentThread());
return NS_OK;
}
private:
int mIndex;
};
NS_IMPL_ISUPPORTS(Task, nsIRunnable)
static nsresult
RunTests()
{
nsCOMPtr<nsIThreadPool> pool = do_CreateInstance(NS_THREADPOOL_CONTRACTID);
NS_ENSURE_STATE(pool);
for (int i = 0; i < 100; ++i) {
nsCOMPtr<nsIRunnable> task = new Task(i);
NS_ENSURE_TRUE(task, NS_ERROR_OUT_OF_MEMORY);
pool->Dispatch(task, NS_DISPATCH_NORMAL);
}
pool->Shutdown();
return NS_OK;
}
int
main(int argc, char **argv)
{
if (NS_FAILED(NS_InitXPCOM2(nullptr, nullptr, nullptr)))
return -1;
RunTests();
NS_ShutdownXPCOM(nullptr);
return 0;
}