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authorDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-07 16:49:04 +0000
committerDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-07 16:49:04 +0000
commit16f504a9dca3fe3b70568f67b7d41241ae485288 (patch)
treec60f36ada0496ba928b7161059ba5ab1ab224f9d /src/libs/xpcom18a4/xpcom/tests/TestThreads.cpp
parentInitial commit. (diff)
downloadvirtualbox-upstream.tar.xz
virtualbox-upstream.zip
Adding upstream version 7.0.6-dfsg.upstream/7.0.6-dfsgupstream
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'src/libs/xpcom18a4/xpcom/tests/TestThreads.cpp')
-rw-r--r--src/libs/xpcom18a4/xpcom/tests/TestThreads.cpp280
1 files changed, 280 insertions, 0 deletions
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 <pp@ludusdesign.com>
+ *
+ * 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 <stdio.h>
+#include <stdlib.h>
+#include "nspr.h"
+#include "nsCOMPtr.h"
+#include "nsIServiceManager.h"
+
+class nsRunner : public nsIRunnable {
+public:
+ NS_DECL_ISUPPORTS
+
+ NS_IMETHOD Run() {
+ nsCOMPtr<nsIThread> 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<nsIThread> 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<nsIThread> 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<nsIThread> 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;
+}