mirror of
https://github.com/mozilla/gecko-dev.git
synced 2024-12-11 16:32:59 +00:00
111 lines
2.4 KiB
C
111 lines
2.4 KiB
C
/* -*- Mode: C++; tab-width: 2; 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 Mozilla browser.
|
|
*
|
|
* The Initial Developer of the Original Code is Netscape
|
|
* Communications, Inc. Portions created by Netscape are
|
|
* Copyright (C) 1999, Mozilla. All Rights Reserved.
|
|
*
|
|
* Contributor(s):
|
|
* Patrick Beard <beard@netscape.com>
|
|
*/
|
|
|
|
/*
|
|
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 */
|