From f215e02bf85f68d3a6106c2a1f4f7f063f819064 Mon Sep 17 00:00:00 2001 From: Daniel Baumann Date: Thu, 11 Apr 2024 10:17:27 +0200 Subject: Adding upstream version 7.0.14-dfsg. Signed-off-by: Daniel Baumann --- src/libs/xpcom18a4/xpcom/tests/TestThreads.cpp | 280 +++++++++++++++++++++++++ 1 file changed, 280 insertions(+) create mode 100644 src/libs/xpcom18a4/xpcom/tests/TestThreads.cpp (limited to 'src/libs/xpcom18a4/xpcom/tests/TestThreads.cpp') diff --git a/src/libs/xpcom18a4/xpcom/tests/TestThreads.cpp b/src/libs/xpcom18a4/xpcom/tests/TestThreads.cpp new file mode 100644 index 00000000..10025a05 --- /dev/null +++ b/src/libs/xpcom18a4/xpcom/tests/TestThreads.cpp @@ -0,0 +1,280 @@ +/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 4 -*- */ +/* ***** 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 + * http://www.mozilla.org/MPL/ + * + * 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): + * Pierre Phaneuf + * + * Alternatively, the contents of this file may be used under the terms of + * either of 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 MPL, 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 MPL, the GPL or the LGPL. + * + * ***** END LICENSE BLOCK ***** */ + +#include "nsIThread.h" +#include "nsIRunnable.h" +#include +#include +#include "nspr.h" +#include "nsCOMPtr.h" +#include "nsIServiceManager.h" + +class nsRunner : public nsIRunnable { +public: + NS_DECL_ISUPPORTS + + NS_IMETHOD Run() { + nsCOMPtr thread; + nsresult rv = nsIThread::GetCurrent(getter_AddRefs(thread)); + if (NS_FAILED(rv)) { + printf("failed to get current thread\n"); + return rv; + } + printf("running %d on thread %p\n", mNum, (void *)thread.get()); + + // if we don't do something slow, we'll never see the other + // worker threads run + PR_Sleep(PR_MillisecondsToInterval(100)); + + return rv; + } + + nsRunner(int num) : mNum(num) { + } + +protected: + int mNum; +}; + +NS_IMPL_THREADSAFE_ISUPPORTS1(nsRunner, nsIRunnable) + +nsresult +TestThreads() +{ + nsresult rv; + + nsCOMPtr runner; + rv = NS_NewThread(getter_AddRefs(runner), new nsRunner(0), 0, PR_JOINABLE_THREAD); + if (NS_FAILED(rv)) { + printf("failed to create thread\n"); + return rv; + } + + nsCOMPtr thread; + rv = nsIThread::GetCurrent(getter_AddRefs(thread)); + if (NS_FAILED(rv)) { + printf("failed to get current thread\n"); + return rv; + } + + PRThreadScope scope; + rv = runner->GetScope(&scope); + if (NS_FAILED(rv)) { + printf("runner already exited\n"); + } + + rv = runner->Join(); // wait for the runner to die before quitting + if (NS_FAILED(rv)) { + printf("join failed\n"); + } + + rv = runner->GetScope(&scope); // this should fail after Join + if (NS_SUCCEEDED(rv)) { + printf("get scope failed\n"); + } + + rv = runner->Interrupt(); // this should fail after Join + if (NS_SUCCEEDED(rv)) { + printf("interrupt failed\n"); + } + + //////////////////////////////////////////////////////////////////////////// + // try an unjoinable thread + rv = NS_NewThread(getter_AddRefs(runner), new nsRunner(1)); + if (NS_FAILED(rv)) { + printf("failed to create thread\n"); + return rv; + } + + rv = runner->Join(); // wait for the runner to die before quitting + if (NS_SUCCEEDED(rv)) { + printf("shouldn't have been able to join an unjoinable thread\n"); + } + + PR_Sleep(PR_MillisecondsToInterval(100)); // hopefully the runner will quit here + + return NS_OK; +} + +class nsStressRunner : public nsIRunnable { +public: + NS_DECL_ISUPPORTS + + NS_IMETHOD Run() { + NS_ASSERTION(!mWasRun, "run twice!"); + mWasRun = PR_TRUE; + PR_Sleep(1); + if (!PR_AtomicDecrement(&gNum)) { + printf(" last thread was %d\n", mNum); + } + return NS_OK; + } + + nsStressRunner(int num) : mNum(num), mWasRun(PR_FALSE) { + PR_AtomicIncrement(&gNum); + } + + static PRInt32 GetGlobalCount() {return gNum;} + +private: + ~nsStressRunner() { + NS_ASSERTION(mWasRun, "never run!"); + } + +protected: + static PRInt32 gNum; + PRInt32 mNum; + PRBool mWasRun; +}; + +PRInt32 nsStressRunner::gNum = 0; + +NS_IMPL_THREADSAFE_ISUPPORTS1(nsStressRunner, nsIRunnable) + +static int Stress(int loops, int threads) +{ + + for (int i = 0; i < loops; i++) { + printf("Loop %d of %d\n", i+1, loops); + + int k; + nsIThread** array = new nsIThread*[threads]; + NS_ASSERTION(array, "out of memory"); + + NS_ASSERTION(!nsStressRunner::GetGlobalCount(), "bad count of runnables"); + + for (k = 0; k < threads; k++) { + nsCOMPtr t; + nsresult rv = NS_NewThread(getter_AddRefs(t), + new nsStressRunner(k), + 0, PR_JOINABLE_THREAD); + NS_ASSERTION(NS_SUCCEEDED(rv), "can't create thread"); + NS_ADDREF(array[k] = t); + } + + for (k = threads-1; k >= 0; k--) { + array[k]->Join(); + NS_RELEASE(array[k]); + } + delete [] array; + } + return 0; +} + +PR_STATIC_CALLBACK(void) threadProc(void *arg) +{ + // printf(" running thread %d\n", (int) arg); + PR_Sleep(1); + PR_ASSERT(PR_JOINABLE_THREAD == PR_GetThreadState(PR_GetCurrentThread())); +} + +static int StressNSPR(int loops, int threads) +{ + + for (int i = 0; i < loops; i++) { + printf("Loop %d of %d\n", i+1, loops); + + int k; + PRThread** array = new PRThread*[threads]; + PR_ASSERT(array); + + for (k = 0; k < threads; k++) { + array[k] = PR_CreateThread(PR_USER_THREAD, + threadProc, (void*)(uintptr_t)k, + PR_PRIORITY_NORMAL, + PR_GLOBAL_THREAD, + PR_JOINABLE_THREAD, + 0); + PR_ASSERT(array[k]); + } + + for (k = 0; k < threads; k++) { + PR_ASSERT(PR_JOINABLE_THREAD == PR_GetThreadState(array[k])); + } + + for (k = threads-1; k >= 0; k--) { + PR_JoinThread(array[k]); + } + delete [] array; + } + return 0; +} + + +int +main(int argc, char** argv) +{ + int retval = 0; + nsresult rv; + + rv = NS_InitXPCOM2(nsnull, nsnull, nsnull); + if (NS_FAILED(rv)) return -1; + + if (argc > 1 && !strcmp(argv[1], "-stress")) { + int loops; + int threads; + if (argc != 4 || *argv[2] != '-' || *argv[3] != '-' || + !(loops = atoi(argv[2]+1)) || !(threads = atoi(argv[3]+1))) { + printf("To use -stress you must pass loop count and thread count...\n" + " TestThreads -stress -1000 -50\n"); + } else { + printf("Running stress test with %d loops of %d threads each\n", + loops, threads); + retval = Stress(loops, threads); + } + } else if (argc > 1 && !strcmp(argv[1], "-stress-nspr")) { + int loops; + int threads; + if (argc != 4 || *argv[2] != '-' || *argv[3] != '-' || + !(loops = atoi(argv[2]+1)) || !(threads = atoi(argv[3]+1))) { + printf("To use -stress-nspr you must pass loop count and thread count...\n" + " TestThreads -stress -1000 -50\n"); + } else { + printf("Running stress test with %d loops of %d threads each\n", + loops, threads); + retval = StressNSPR(loops, threads); + } + } else { + rv = TestThreads(); + if (NS_FAILED(rv)) return -1; + } + + rv = NS_ShutdownXPCOM(nsnull); + if (NS_FAILED(rv)) return -1; + return retval; +} -- cgit v1.2.3