gecko-dev/xpcom/glue/nsCycleCollectorUtils.cpp
2012-05-21 12:12:37 +01:00

55 lines
1.1 KiB
C++

/* This Source Code Form is subject to the terms of the Mozilla Public
* License, v. 2.0. If a copy of the MPL was not distributed with this
* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
#include "nsCycleCollectorUtils.h"
#include "prthread.h"
#include "nsCOMPtr.h"
#include "nsServiceManagerUtils.h"
#include "nsXPCOMCIDInternal.h"
#include "nsIThreadManager.h"
#if defined(XP_WIN)
#include "windows.h"
#endif
#ifndef MOZILLA_INTERNAL_API
bool
NS_IsCycleCollectorThread()
{
bool result = false;
nsCOMPtr<nsIThreadManager> mgr =
do_GetService(NS_THREADMANAGER_CONTRACTID);
if (mgr)
mgr->GetIsCycleCollectorThread(&result);
return bool(result);
}
#elif defined(XP_WIN)
// Defined in nsThreadManager.cpp.
extern DWORD gTLSThreadIDIndex;
bool
NS_IsCycleCollectorThread()
{
return TlsGetValue(gTLSThreadIDIndex) ==
(void*) mozilla::threads::CycleCollector;
}
#elif !defined(NS_TLS)
// Defined in nsCycleCollector.cpp
extern PRThread* gCycleCollectorThread;
bool
NS_IsCycleCollectorThread()
{
return PR_GetCurrentThread() == gCycleCollectorThread;
}
#endif