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/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
/*
* The contents of this file are subject to the Netscape Public License
* Version 1.1 (the "NPL"); you may not use this file except in
* compliance with the NPL. You may obtain a copy of the NPL at
* http://www.mozilla.org/NPL/
*
* Software distributed under the NPL is distributed on an "AS IS" basis,
* WITHOUT WARRANTY OF ANY KIND, either express or implied. See the NPL
* for the specific language governing rights and limitations under the
* NPL.
*
* The Initial Developer of this code under the NPL is Netscape
* Communications Corporation. Portions created by Netscape are
* Copyright (C) 1999 Netscape Communications Corporation. All Rights
* Reserved.
*
* Contributor(s):
* Patrick Beard <beard@netscape.com>
*/
/*
* 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 */
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