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;
+}