| /* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 2 -*- */ |
| /* ***** 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 Netscape Portable Runtime (NSPR). |
| * |
| * The Initial Developer of the Original Code is |
| * Netscape Communications Corporation. |
| * Portions created by the Initial Developer are Copyright (C) 1999-2000 |
| * the Initial Developer. All Rights Reserved. |
| * |
| * Contributor(s): |
| * Patrick Beard <beard@netscape.com> |
| * |
| * Alternatively, the contents of this file may be used under the terms of |
| * either 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 ***** */ |
| |
| /* |
| * 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 */ |