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128 lines
3.4 KiB
C
128 lines
3.4 KiB
C
/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*-
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*
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* ***** BEGIN LICENSE BLOCK *****
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* Version: MPL 1.1/GPL 2.0/LGPL 2.1
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*
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* The contents of this file are subject to the Mozilla Public License Version
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* 1.1 (the "License"); you may not use this file except in compliance with
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* the License. You may obtain a copy of the License at
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* http://www.mozilla.org/MPL/
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*
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* Software distributed under the License is distributed on an "AS IS" basis,
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* WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
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* for the specific language governing rights and limitations under the
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* License.
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*
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* The Original Code is the Mozilla browser.
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*
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* The Initial Developer of the Original Code is
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* Netscape Communications, Inc.
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* Portions created by the Initial Developer are Copyright (C) 1999
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* the Initial Developer. All Rights Reserved.
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*
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* Contributor(s):
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* Patrick Beard <beard@netscape.com>
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*
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* Alternatively, the contents of this file may be used under the terms of
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* either of the GNU General Public License Version 2 or later (the "GPL"),
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* or the GNU Lesser General Public License Version 2.1 or later (the "LGPL"),
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* in which case the provisions of the GPL or the LGPL are applicable instead
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* of those above. If you wish to allow use of your version of this file only
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* under the terms of either the GPL or the LGPL, and not to allow others to
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* use your version of this file under the terms of the MPL, indicate your
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* decision by deleting the provisions above and replace them with the notice
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* and other provisions required by the GPL or the LGPL. If you do not delete
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* the provisions above, a recipient may use your version of this file under
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* the terms of any one of the MPL, the GPL or the LGPL.
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*
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* ***** END LICENSE BLOCK ***** */
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/*
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nsGarbageCollector.c
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*/
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#ifdef GC_LEAK_DETECTOR
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/* for FILE */
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#include <stdio.h>
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/* NSPR stuff */
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#include "generic_threads.h"
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#include "prthread.h"
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#include "prlock.h"
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/* Linux/Win32 export private NSPR files to include/private */
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#ifdef XP_MAC
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#include "pprthred.h"
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#else
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#include "private/pprthred.h"
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#endif
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#include "nsLeakDetector.h"
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extern FILE *GC_stdout, *GC_stderr;
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extern void GC_gcollect(void);
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extern void GC_clear_roots(void);
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static PRStatus PR_CALLBACK scanner(PRThread* t, void** baseAddr, PRUword count, void* closure)
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{
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char* begin = (char*)baseAddr;
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char* end = (char*)(baseAddr + count);
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GC_mark_range_proc marker = (GC_mark_range_proc) closure;
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marker(begin, end);
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return PR_SUCCESS;
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}
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static void mark_all_stacks(GC_mark_range_proc marker)
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{
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/* PR_ThreadScanStackPointers(PR_GetCurrentThread(), &scanner, marker); */
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PR_ScanStackPointers(&scanner, (void *)marker);
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}
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static void locker(void* mutex)
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{
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PR_Lock(mutex);
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}
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static void unlocker(void* mutex)
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{
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PR_Unlock(mutex);
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}
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static void stopper(void* unused)
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{
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PR_SuspendAll();
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}
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static void starter(void* unused)
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{
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PR_ResumeAll();
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}
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nsresult NS_InitGarbageCollector()
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{
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PRLock* mutex;
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/* redirect GC's stderr to catch startup leaks. */
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GC_stderr = fopen("StartupLeaks", "w");
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mutex = PR_NewLock();
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if (mutex == NULL)
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return NS_ERROR_FAILURE;
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GC_generic_init_threads(&mark_all_stacks, mutex,
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&locker, &unlocker,
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&stopper, &starter);
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return NS_OK;
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}
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nsresult NS_ShutdownGarbageCollector()
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{
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/* do anything you need to shut down the collector. */
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return NS_OK;
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}
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#endif /* GC_LEAK_DETECTOR */
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