зеркало из https://github.com/mozilla/pjs.git
143 строки
3.5 KiB
C++
143 строки
3.5 KiB
C++
/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 4 -*-
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*
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* The contents of this file are subject to the Netscape Public License
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* Version 1.0 (the "NPL"); you may not use this file except in
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* compliance with the NPL. You may obtain a copy of the NPL at
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* http://www.mozilla.org/NPL/
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*
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* Software distributed under the NPL is distributed on an "AS IS" basis,
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* WITHOUT WARRANTY OF ANY KIND, either express or implied. See the NPL
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* for the specific language governing rights and limitations under the
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* NPL.
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*
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* The Initial Developer of this code under the NPL is Netscape
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* Communications Corporation. Portions created by Netscape are
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* Copyright (C) 1998 Netscape Communications Corporation. All Rights
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* Reserved.
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*/
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#include "nsIThread.h"
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#include "nsIThreadPool.h"
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#include "nsIRunnable.h"
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#include <stdio.h>
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class nsRunner : public nsIRunnable {
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public:
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NS_DECL_ISUPPORTS
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NS_IMETHOD Run() {
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printf("running %d\n", mNum);
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nsIThread* thread;
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nsresult rv = nsIThread::GetCurrent(&thread);
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if (NS_FAILED(rv)) {
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printf("failed to get current thread\n");
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return rv;
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}
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NS_RELEASE(thread);
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// if we don't do something slow, we'll never see the other
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// worker threads run
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PR_Sleep(100);
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return rv;
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}
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nsRunner(int num) : mNum(num) {
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NS_INIT_REFCNT();
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}
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protected:
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int mNum;
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};
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NS_IMPL_ISUPPORTS(nsRunner, nsIRunnable::GetIID());
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nsresult
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TestThreads()
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{
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nsresult rv;
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nsIThread* runner;
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rv = NS_NewThread(&runner, new nsRunner(0), 0, PR_JOINABLE_THREAD);
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if (NS_FAILED(rv)) {
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printf("failed to create thread\n");
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return rv;
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}
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nsIThread* thread;
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rv = nsIThread::GetCurrent(&thread);
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if (NS_FAILED(rv)) {
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printf("failed to get current thread\n");
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return rv;
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}
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PRThreadScope scope;
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rv = runner->GetScope(&scope);
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if (NS_FAILED(rv)) {
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printf("runner already exited\n");
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}
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rv = runner->Join(); // wait for the runner to die before quitting
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if (NS_FAILED(rv)) {
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printf("join failed\n");
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}
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rv = runner->GetScope(&scope); // this should fail after Join
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if (NS_SUCCEEDED(rv)) {
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printf("get scope failed\n");
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}
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rv = runner->Interrupt(); // this should fail after Join
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if (NS_SUCCEEDED(rv)) {
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printf("interrupt failed\n");
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}
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NS_RELEASE(runner);
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NS_RELEASE(thread);
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////////////////////////////////////////////////////////////////////////////
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// try an unjoinable thread
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rv = NS_NewThread(&runner, new nsRunner(1));
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if (NS_FAILED(rv)) {
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printf("failed to create thread\n");
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return rv;
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}
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rv = runner->Join(); // wait for the runner to die before quitting
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if (NS_SUCCEEDED(rv)) {
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printf("shouldn't have been able to join an unjoinable thread\n");
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}
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NS_RELEASE(runner);
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return NS_OK;
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}
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nsresult
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TestThreadPools()
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{
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nsIThreadPool* pool;
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nsresult rv = NS_NewThreadPool(&pool, 4, 4);
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if (NS_FAILED(rv)) {
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printf("failed to create thead pool\n");
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return rv;
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}
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for (PRUint32 i = 0; i < 100; i++) {
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rv = pool->DispatchRequest(new nsRunner(i+2));
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}
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rv = pool->Shutdown();
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return rv;
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}
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int
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main()
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{
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nsresult rv = TestThreads();
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if (NS_FAILED(rv)) return -1;
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rv = TestThreadPools();
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if (NS_FAILED(rv)) return -1;
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return 0;
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}
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