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/* -*- Mode: C++; tab-width: 2; 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 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 Beard <beard@netscape.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 ***** */
/*
nsGarbageCollector.c
*/
#ifdef GC_LEAK_DETECTOR
/* for FILE */
#include <stdio.h>
/* NSPR stuff */
#include "generic_threads.h"
#include "prthread.h"
#include "prlock.h"
/* Linux/Win32 export private NSPR files to include/private */
#ifdef XP_MAC
#include "pprthred.h"
#else
#include "private/pprthred.h"
#endif
#include "nsLeakDetector.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)
{
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_ThreadScanStackPointers(PR_GetCurrentThread(), &scanner, marker); */
PR_ScanStackPointers(&scanner, (void *)marker);
}
static void locker(void* mutex)
{
PR_Lock(mutex);
}
static void unlocker(void* mutex)
{
PR_Unlock(mutex);
}
static void stopper(void* unused)
{
PR_SuspendAll();
}
static void starter(void* unused)
{
PR_ResumeAll();
}
nsresult NS_InitGarbageCollector()
{
PRLock* mutex;
/* redirect GC's stderr to catch startup leaks. */
GC_stderr = fopen("StartupLeaks", "w");
mutex = PR_NewLock();
if (mutex == NULL)
return NS_ERROR_FAILURE;
GC_generic_init_threads(&mark_all_stacks, mutex,
&locker, &unlocker,
&stopper, &starter);
return NS_OK;
}
nsresult NS_ShutdownGarbageCollector()
{
/* do anything you need to shut down the collector. */
return NS_OK;
}
#endif /* GC_LEAK_DETECTOR */
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