зеркало из https://github.com/mozilla/gecko-dev.git
220 строки
5.3 KiB
C++
220 строки
5.3 KiB
C++
/* -*- Mode: C; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
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/* This Source Code Form is subject to the terms of the Mozilla Public
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* License, v. 2.0. If a copy of the MPL was not distributed with this
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* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
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#include "TestHarness.h"
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#include "nsIThread.h"
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#include "nsIThreadPool.h"
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#include "nsThreadUtils.h"
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#include "nsXPCOMCIDInternal.h"
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#include "pratom.h"
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#include "prinrval.h"
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#include "prmon.h"
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#include "prthread.h"
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#include "mozilla/Attributes.h"
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#include "mozilla/ReentrantMonitor.h"
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using namespace mozilla;
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#define NUMBER_OF_THREADS 4
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// One hour... because test boxes can be slow!
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#define IDLE_THREAD_TIMEOUT 3600000
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static nsIThread** gCreatedThreadList = nullptr;
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static nsIThread** gShutDownThreadList = nullptr;
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static ReentrantMonitor* gReentrantMonitor = nullptr;
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static bool gAllRunnablesPosted = false;
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static bool gAllThreadsCreated = false;
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static bool gAllThreadsShutDown = false;
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#ifdef DEBUG
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#define TEST_ASSERTION(_test, _msg) \
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NS_ASSERTION(_test, _msg);
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#else
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#define TEST_ASSERTION(_test, _msg) \
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PR_BEGIN_MACRO \
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if (!(_test)) { \
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NS_DebugBreak(NS_DEBUG_ABORT, _msg, #_test, __FILE__, __LINE__); \
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} \
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PR_END_MACRO
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#endif
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class Listener MOZ_FINAL : public nsIThreadPoolListener
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{
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public:
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NS_DECL_ISUPPORTS
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NS_DECL_NSITHREADPOOLLISTENER
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};
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NS_IMPL_THREADSAFE_ISUPPORTS1(Listener, nsIThreadPoolListener)
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NS_IMETHODIMP
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Listener::OnThreadCreated()
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{
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nsCOMPtr<nsIThread> current(do_GetCurrentThread());
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TEST_ASSERTION(current, "Couldn't get current thread!");
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ReentrantMonitorAutoEnter mon(*gReentrantMonitor);
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while (!gAllRunnablesPosted) {
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mon.Wait();
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}
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for (uint32_t i = 0; i < NUMBER_OF_THREADS; i++) {
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nsIThread* thread = gCreatedThreadList[i];
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TEST_ASSERTION(thread != current, "Saw the same thread twice!");
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if (!thread) {
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gCreatedThreadList[i] = current;
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if (i == (NUMBER_OF_THREADS - 1)) {
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gAllThreadsCreated = true;
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mon.NotifyAll();
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}
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return NS_OK;
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}
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}
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TEST_ASSERTION(false, "Too many threads!");
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return NS_ERROR_FAILURE;
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}
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NS_IMETHODIMP
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Listener::OnThreadShuttingDown()
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{
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nsCOMPtr<nsIThread> current(do_GetCurrentThread());
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TEST_ASSERTION(current, "Couldn't get current thread!");
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ReentrantMonitorAutoEnter mon(*gReentrantMonitor);
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for (uint32_t i = 0; i < NUMBER_OF_THREADS; i++) {
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nsIThread* thread = gShutDownThreadList[i];
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TEST_ASSERTION(thread != current, "Saw the same thread twice!");
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if (!thread) {
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gShutDownThreadList[i] = current;
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if (i == (NUMBER_OF_THREADS - 1)) {
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gAllThreadsShutDown = true;
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mon.NotifyAll();
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}
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return NS_OK;
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}
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}
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TEST_ASSERTION(false, "Too many threads!");
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return NS_ERROR_FAILURE;
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}
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class AutoCreateAndDestroyReentrantMonitor
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{
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public:
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AutoCreateAndDestroyReentrantMonitor(ReentrantMonitor** aReentrantMonitorPtr)
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: mReentrantMonitorPtr(aReentrantMonitorPtr) {
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*aReentrantMonitorPtr = new ReentrantMonitor("TestThreadPoolListener::AutoMon");
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TEST_ASSERTION(*aReentrantMonitorPtr, "Out of memory!");
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}
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~AutoCreateAndDestroyReentrantMonitor() {
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if (*mReentrantMonitorPtr) {
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delete *mReentrantMonitorPtr;
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*mReentrantMonitorPtr = nullptr;
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}
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}
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private:
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ReentrantMonitor** mReentrantMonitorPtr;
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};
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int main(int argc, char** argv)
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{
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ScopedXPCOM xpcom("ThreadPoolListener");
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NS_ENSURE_FALSE(xpcom.failed(), 1);
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nsIThread* createdThreadList[NUMBER_OF_THREADS] = { nullptr };
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gCreatedThreadList = createdThreadList;
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nsIThread* shutDownThreadList[NUMBER_OF_THREADS] = { nullptr };
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gShutDownThreadList = shutDownThreadList;
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AutoCreateAndDestroyReentrantMonitor newMon(&gReentrantMonitor);
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NS_ENSURE_TRUE(gReentrantMonitor, 1);
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nsresult rv;
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nsCOMPtr<nsIThreadPool> pool =
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do_CreateInstance(NS_THREADPOOL_CONTRACTID, &rv);
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NS_ENSURE_SUCCESS(rv, 1);
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rv = pool->SetThreadLimit(NUMBER_OF_THREADS);
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NS_ENSURE_SUCCESS(rv, 1);
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rv = pool->SetIdleThreadLimit(NUMBER_OF_THREADS);
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NS_ENSURE_SUCCESS(rv, 1);
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rv = pool->SetIdleThreadTimeout(IDLE_THREAD_TIMEOUT);
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NS_ENSURE_SUCCESS(rv, 1);
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nsCOMPtr<nsIThreadPoolListener> listener = new Listener();
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NS_ENSURE_TRUE(listener, 1);
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rv = pool->SetListener(listener);
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NS_ENSURE_SUCCESS(rv, 1);
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{
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ReentrantMonitorAutoEnter mon(*gReentrantMonitor);
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for (uint32_t i = 0; i < NUMBER_OF_THREADS; i++) {
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nsCOMPtr<nsIRunnable> runnable = new nsRunnable();
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NS_ENSURE_TRUE(runnable, 1);
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rv = pool->Dispatch(runnable, NS_DISPATCH_NORMAL);
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NS_ENSURE_SUCCESS(rv, 1);
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}
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gAllRunnablesPosted = true;
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mon.NotifyAll();
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}
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{
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ReentrantMonitorAutoEnter mon(*gReentrantMonitor);
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while (!gAllThreadsCreated) {
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mon.Wait();
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}
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}
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rv = pool->Shutdown();
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NS_ENSURE_SUCCESS(rv, 1);
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{
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ReentrantMonitorAutoEnter mon(*gReentrantMonitor);
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while (!gAllThreadsShutDown) {
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mon.Wait();
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}
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}
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for (uint32_t i = 0; i < NUMBER_OF_THREADS; i++) {
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nsIThread* created = gCreatedThreadList[i];
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NS_ENSURE_TRUE(created, 1);
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bool match = false;
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for (uint32_t j = 0; j < NUMBER_OF_THREADS; j++) {
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nsIThread* destroyed = gShutDownThreadList[j];
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NS_ENSURE_TRUE(destroyed, 1);
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if (destroyed == created) {
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match = true;
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break;
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}
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}
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NS_ENSURE_TRUE(match, 1);
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}
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return 0;
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}
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