зеркало из https://github.com/mozilla/gecko-dev.git
113 строки
2.4 KiB
C++
113 строки
2.4 KiB
C++
/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
|
|
/* vim: set ts=8 sts=2 et sw=2 tw=80: */
|
|
/* 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 "SystemGroup.h"
|
|
|
|
#include "mozilla/AbstractThread.h"
|
|
#include "mozilla/Move.h"
|
|
#include "mozilla/UniquePtr.h"
|
|
#include "nsINamed.h"
|
|
|
|
using namespace mozilla;
|
|
|
|
class SystemGroupImpl final : public SchedulerGroup
|
|
{
|
|
public:
|
|
SystemGroupImpl();
|
|
~SystemGroupImpl() {}
|
|
|
|
static void InitStatic();
|
|
static void ShutdownStatic();
|
|
static SystemGroupImpl* Get();
|
|
|
|
static bool Initialized() { return !!sSingleton; }
|
|
|
|
NS_METHOD_(MozExternalRefCountType) AddRef(void)
|
|
{
|
|
return 2;
|
|
}
|
|
NS_METHOD_(MozExternalRefCountType) Release(void)
|
|
{
|
|
return 1;
|
|
}
|
|
|
|
private:
|
|
static UniquePtr<SystemGroupImpl> sSingleton;
|
|
};
|
|
|
|
UniquePtr<SystemGroupImpl> SystemGroupImpl::sSingleton;
|
|
|
|
SystemGroupImpl::SystemGroupImpl()
|
|
{
|
|
CreateEventTargets(/* aNeedValidation = */ true);
|
|
}
|
|
|
|
/* static */ void
|
|
SystemGroupImpl::InitStatic()
|
|
{
|
|
MOZ_ASSERT(!sSingleton);
|
|
MOZ_ASSERT(NS_IsMainThread());
|
|
sSingleton = MakeUnique<SystemGroupImpl>();
|
|
}
|
|
|
|
/* static */ void
|
|
SystemGroupImpl::ShutdownStatic()
|
|
{
|
|
sSingleton->Shutdown(true);
|
|
sSingleton = nullptr;
|
|
}
|
|
|
|
/* static */ SystemGroupImpl*
|
|
SystemGroupImpl::Get()
|
|
{
|
|
MOZ_ASSERT(sSingleton);
|
|
return sSingleton.get();
|
|
}
|
|
|
|
void
|
|
SystemGroup::InitStatic()
|
|
{
|
|
SystemGroupImpl::InitStatic();
|
|
}
|
|
|
|
void
|
|
SystemGroup::Shutdown()
|
|
{
|
|
SystemGroupImpl::ShutdownStatic();
|
|
}
|
|
|
|
bool
|
|
SystemGroup::Initialized()
|
|
{
|
|
return SystemGroupImpl::Initialized();
|
|
}
|
|
|
|
/* static */ nsresult
|
|
SystemGroup::Dispatch(TaskCategory aCategory,
|
|
already_AddRefed<nsIRunnable>&& aRunnable)
|
|
{
|
|
if (!SystemGroupImpl::Initialized()) {
|
|
return NS_DispatchToMainThread(Move(aRunnable));
|
|
}
|
|
return SystemGroupImpl::Get()->Dispatch(aCategory, Move(aRunnable));
|
|
}
|
|
|
|
/* static */ nsISerialEventTarget*
|
|
SystemGroup::EventTargetFor(TaskCategory aCategory)
|
|
{
|
|
if (!SystemGroupImpl::Initialized()) {
|
|
return GetMainThreadSerialEventTarget();
|
|
}
|
|
return SystemGroupImpl::Get()->EventTargetFor(aCategory);
|
|
}
|
|
|
|
/* static */ AbstractThread*
|
|
SystemGroup::AbstractMainThreadFor(TaskCategory aCategory)
|
|
{
|
|
MOZ_ASSERT(SystemGroupImpl::Initialized());
|
|
return SystemGroupImpl::Get()->AbstractMainThreadFor(aCategory);
|
|
}
|