Adding upstream version 7.0.6-dfsg.upstream/7.0.6-dfsgupstream

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>

1 files changed, 248 insertions, 0 deletions

diff --git a/src/libs/xpcom18a4/xpcom/base/nsLeakDetector.cpp b/src/libs/xpcom18a4/xpcom/base/nsLeakDetector.cpp
new file mode 100644
index 00000000..a42f77bf
--- /dev/null
+++ b/src/libs/xpcom18a4/xpcom/base/nsLeakDetector.cpp
@@ -0,0 +1,248 @@
+/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: t; c-basic-offset: 8 -*-
+ *
+ * ***** 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 the Mozilla browser.
+ *
+ * The Initial Developer of the Original Code is
+ * Netscape Communications, Inc.
+ * Portions created by the Initial Developer are Copyright (C) 1999
+ * the Initial Developer. All Rights Reserved.
+ *
+ * Contributor(s):
+ *   Patrick C. Beard <beard@netscape.com>
+ *   Scott Collins <scc@mozilla.org>
+ *
+ * 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 ***** */
+
+#if defined(GC_LEAK_DETECTOR)
+
+#include "nsLeakDetector.h"
+#include "nsCOMPtr.h"
+#include "nsIComponentManager.h"
+#include "nsIServiceManager.h"
+#include "nsIGenericFactory.h"
+#include "nsILeakDetector.h"
+#include "nsICollection.h"
+
+#include <stdio.h>
+#include <time.h>
+
+#include "gc.h"
+
+extern "C" {
+extern FILE *GC_stdout, *GC_stderr;
+extern void GC_trace_object(GC_PTR object, int verbose);
+extern void GC_mark_object(GC_PTR object, GC_word mark);
+}
+
+static nsresult nextLeakFile()
+{
+	if (GC_stderr != NULL)
+		fclose(GC_stderr);
+	
+	// generate a time stamped report name.
+	time_t timer;
+	time(&timer);
+	tm* now = localtime(&timer);
+	
+	char reportName[256];
+	sprintf(reportName, "Leaks%02d%02d%02d",
+			now->tm_hour, now->tm_min, now->tm_sec);
+	GC_stderr = fopen(reportName, "w");
+	
+	return NS_OK;
+}
+
+static FILE* openTraceFile()
+{
+	// generate a time stamped report name.
+	time_t timer;
+	time(&timer);
+	tm* now = localtime(&timer);
+	
+	char reportName[256];
+	sprintf(reportName, "Trace%02d%02d%02d",
+			now->tm_hour, now->tm_min, now->tm_sec);
+	return fopen(reportName, "w");
+}
+
+class nsLeakDetector : public nsILeakDetector {
+public:
+	nsLeakDetector();
+	
+	NS_DECL_ISUPPORTS	
+	NS_DECL_NSILEAKDETECTOR
+private:
+	~nsLeakDetector() {}
+};
+
+NS_IMPL_ISUPPORTS1(nsLeakDetector, nsILeakDetector)
+
+nsLeakDetector::nsLeakDetector() {
+   }
+
+NS_METHOD nsLeakDetector::DumpLeaks()
+{
+	GC_gcollect();
+
+	return nextLeakFile();
+}
+
+NS_METHOD nsLeakDetector::TraceObject(nsISupports* object, PRBool verbose)
+{
+    FILE* trace = openTraceFile();
+    if (trace != NULL) {
+        FILE* old_stderr = GC_stderr;
+        GC_stderr = trace;
+        GC_trace_object(object, (verbose ? 1 : 0));
+        GC_stderr = old_stderr;
+        fclose(trace);
+        return NS_OK;
+    }
+    return NS_ERROR_FAILURE;
+}
+
+NS_METHOD nsLeakDetector::TraceCollection(nsICollection* objects, PRBool verbose)
+{
+    PRUint32 count;
+    if (NS_FAILED(objects->Count(&count)))
+        return NS_ERROR_FAILURE;
+
+    nsCOMPtr<nsISupports>* elements = new nsCOMPtr<nsISupports>[count];
+    if (elements == nsnull)
+        return NS_ERROR_OUT_OF_MEMORY;
+
+    for (PRUint32 i = 0; i < count; ++i)
+        objects->GetElementAt(i, getter_AddRefs(elements[i]));
+
+    nsresult rv = NS_ERROR_FAILURE;
+    FILE* trace = openTraceFile();
+    if (trace != NULL) {
+        FILE* old_stderr = GC_stderr;
+        GC_stderr = trace;
+        GC_trace_object(elements, (verbose ? 1 : 0));
+        GC_stderr = old_stderr;
+        fclose(trace);
+        rv = NS_OK;
+    }
+    
+    delete[] elements;
+    
+    return rv;
+}
+
+NS_METHOD nsLeakDetector::MarkObject(nsISupports* object, PRBool marked)
+{
+    GC_mark_object(object, (marked ? 1 : 0));
+    return NS_OK;
+}
+
+NS_METHOD nsLeakDetector::GetServices(nsISupports* *result)
+{
+    return NS_GetServiceManager((nsIServiceManager**)result);
+}
+
+#define NS_CLEAKDETECTOR_CID_STR "bb1ba360-1dd1-11b2-b30e-aa2314429f54"
+#define NS_CLEAKDETECTOR_CID {0xbb1ba360, 0x1dd1, 0x11b2, {0xb3, 0x0e, 0xaa, 0x23, 0x14, 0x42, 0x9f, 0x54}}
+#define NS_CLEAKDETECTOR_CONTRACTID "@mozilla.org/xpcom/leakdetector;1"
+
+NS_GENERIC_FACTORY_CONSTRUCTOR(nsLeakDetector)
+
+static NS_DEFINE_CID(kCLeakDetectorCID, NS_CLEAKDETECTOR_CID);
+
+nsresult NS_InitLeakDetector()
+{
+	nsresult rv;
+
+	// open the first leak file.
+	rv = nextLeakFile();
+	if (NS_FAILED(rv))
+		return rv;
+
+    static const nsModuleComponentInfo info = {
+        "Leak Detector", kCLeakDetectorCID, NS_CLEAKDETECTOR_CONTRACTID, nsLeakDetectorConstructor
+    };
+
+	// create a generic factory for the leak detector.
+	nsCOMPtr<nsIGenericFactory> factory;
+	rv = NS_NewGenericFactory(getter_AddRefs(factory), &info);
+	if (NS_FAILED(rv))
+		return rv;
+
+	// register this factory with the component manager.
+	return nsComponentManager::RegisterFactory(info.mCID, info.mDescription, info.mContractID, factory, PR_TRUE);
+}
+
+#ifdef XP_MAC
+#define SHUTDOWN_LEAKS_EARLY
+#undef SHUTDOWN_LEAKS_MEDIUM
+#undef SHUTDOWN_LEAKS_LATE
+#else
+#undef SHUTDOWN_LEAKS_EARLY
+#undef SHUTDOWN_LEAKS_MEDIUM
+#define SHUTDOWN_LEAKS_LATE
+#endif
+
+class LeakDetectorFinalizer
+{
+public:
+	~LeakDetectorFinalizer();
+};
+
+#ifdef SHUTDOWN_LEAKS_LATE
+// do shutdown leaks when XPCOM library is unloaded
+LeakDetectorFinalizer gLeakDetectorFinalizer;
+#endif
+
+LeakDetectorFinalizer::~LeakDetectorFinalizer()
+{
+	GC_gcollect();
+
+#if 0
+	nextLeakFile();
+	if (GC_stdout != NULL) {
+		fprintf(GC_stdout, "ShutDown Leaks\n");
+		GC_clear_roots();
+		GC_gcollect();
+	}
+#endif
+}
+
+nsresult NS_ShutdownLeakDetector()
+{
+#if defined(SHUTDOWN_LEAKS_MEDIUM)
+    // Make this the first atexit() called so it's before the atexit() crashes
+    // see http://bugzilla.redhat.com/bugzilla/show_bug.cgi?id=23552
+    static LeakDetectorFinalizer trick;
+#elif defined(SHUTDOWN_LEAKS_EARLY)
+    // do shutdown leaks now
+    LeakDetectorFinalizer trick;
+#endif
+	return NS_OK;
+}
+
+#endif /* defined(GC_LEAK_DETECTOR) */