fixup commit for branch 'NSPRPUB_CLIENT_BRANCH'

1 files changed, 119 insertions, 0 deletions

diff --git a/pr/src/memory/prgcleak.c b/pr/src/memory/prgcleak.c
new file mode 100644
index 00000000..ec223c79
--- /dev/null
+++ b/pr/src/memory/prgcleak.c
@@ -0,0 +1,119 @@
+/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
+/* 
+ * 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 Netscape Portable Runtime (NSPR).
+ * 
+ * The Initial Developer of the Original Code is Netscape
+ * Communications Corporation.  Portions created by Netscape are 
+ * Copyright (C) 1999-2000 Netscape Communications Corporation.  All
+ * Rights Reserved.
+ * 
+ * Contributor(s):
+ *   Patrick Beard <beard@netscape.com>
+ * 
+ * Alternatively, the contents of this file may be used under the
+ * terms of the GNU General Public License Version 2 or later (the
+ * "GPL"), in which case the provisions of the GPL are applicable 
+ * instead of those above.  If you wish to allow use of your 
+ * version of this file only under the terms of the GPL and not to
+ * allow others to use your version of this file under the MPL,
+ * indicate your decision by deleting the provisions above and
+ * replace them with the notice and other provisions required by
+ * the GPL.  If you do not delete the provisions above, a recipient
+ * may use your version of this file under either the MPL or the
+ * GPL.
+ */
+
+/*
+ * prgcleak.c
+ */
+
+#ifdef GC_LEAK_DETECTOR
+
+/* for FILE */
+#include <stdio.h>
+
+/* NSPR stuff */
+#include "generic_threads.h"
+#include "primpl.h"
+
+extern FILE *GC_stdout, *GC_stderr;
+
+extern void GC_gcollect(void);
+extern void GC_clear_roots(void);
+
+static PRStatus PR_CALLBACK scanner(PRThread* t, void** baseAddr,
+                                    PRUword count, void* closure)
+{
+    if (count) {
+        char* begin = (char*)baseAddr;
+        char* end = (char*)(baseAddr + count);
+        GC_mark_range_proc marker = (GC_mark_range_proc) closure;
+        marker(begin, end);
+    }
+    return PR_SUCCESS;
+}
+
+static void mark_all_stacks(GC_mark_range_proc marker)
+{
+    PR_ScanStackPointers(&scanner, (void *)marker);
+}
+
+#if defined(_PR_PTHREADS)
+#define _PR_MD_CURRENT_CPU() 1
+#endif
+
+static void locker(void* mutex)
+{
+    if (_PR_MD_CURRENT_CPU())
+        PR_EnterMonitor(mutex);
+}
+
+static void unlocker(void* mutex)
+{
+    if (_PR_MD_CURRENT_CPU())
+        PR_ExitMonitor(mutex);
+}
+
+static void stopper(void* unused)
+{
+    if (_PR_MD_CURRENT_CPU())
+        PR_SuspendAll();
+}
+
+static void starter(void* unused)
+{
+    if (_PR_MD_CURRENT_CPU())
+        PR_ResumeAll();
+}
+
+void _PR_InitGarbageCollector()
+{
+    void* mutex;
+
+    /* redirect GC's stderr to catch startup leaks. */
+    GC_stderr = fopen("StartupLeaks", "w");
+
+    mutex = PR_NewMonitor();
+    PR_ASSERT(mutex != NULL);
+
+    GC_generic_init_threads(&mark_all_stacks, mutex,
+            &locker, &unlocker,
+            &stopper, &starter);
+}
+
+void _PR_ShutdownGarbageCollector()
+{
+    /* do anything you need to shut down the collector. */
+}
+
+#endif /* GC_LEAK_DETECTOR */