93 lines
2.5 KiB
C++
93 lines
2.5 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 "mozilla/dom/quota/ThreadUtils.h"
|
|
|
|
#include "mozilla/dom/quota/QuotaCommon.h"
|
|
#include "mozilla/dom/quota/ResultExtensions.h"
|
|
#include "nsIThreadInternal.h"
|
|
#include "nsThreadPool.h"
|
|
#include "nsThreadUtils.h"
|
|
#include "prinrval.h"
|
|
#include "prthread.h"
|
|
|
|
namespace mozilla::dom::quota {
|
|
|
|
namespace {
|
|
|
|
class RunAfterProcessingCurrentEventHelper final : public nsIThreadObserver {
|
|
public:
|
|
nsresult Init(std::function<void()>&& aCallback);
|
|
|
|
NS_DECL_ISUPPORTS
|
|
NS_DECL_NSITHREADOBSERVER
|
|
|
|
private:
|
|
~RunAfterProcessingCurrentEventHelper() = default;
|
|
|
|
std::function<void()> mCallback;
|
|
};
|
|
|
|
} // namespace
|
|
|
|
nsresult RunAfterProcessingCurrentEventHelper::Init(
|
|
std::function<void()>&& aCallback) {
|
|
nsCOMPtr<nsIThreadInternal> thread = do_QueryInterface(NS_GetCurrentThread());
|
|
MOZ_ASSERT(thread);
|
|
|
|
QM_TRY(MOZ_TO_RESULT(thread->AddObserver(this)));
|
|
|
|
mCallback = std::move(aCallback);
|
|
|
|
return NS_OK;
|
|
}
|
|
|
|
NS_IMPL_ISUPPORTS(RunAfterProcessingCurrentEventHelper, nsIThreadObserver)
|
|
|
|
NS_IMETHODIMP
|
|
RunAfterProcessingCurrentEventHelper::OnDispatchedEvent() {
|
|
MOZ_CRASH("Should never be called!");
|
|
}
|
|
|
|
NS_IMETHODIMP
|
|
RunAfterProcessingCurrentEventHelper::OnProcessNextEvent(
|
|
nsIThreadInternal* /* aThread */, bool /* aMayWait */) {
|
|
MOZ_CRASH("Should never be called!");
|
|
}
|
|
|
|
NS_IMETHODIMP
|
|
RunAfterProcessingCurrentEventHelper::AfterProcessNextEvent(
|
|
nsIThreadInternal* aThread, bool /* aEventWasProcessed */) {
|
|
MOZ_ASSERT(aThread);
|
|
|
|
QM_WARNONLY_TRY(MOZ_TO_RESULT(aThread->RemoveObserver(this)));
|
|
|
|
auto callback = std::move(mCallback);
|
|
callback();
|
|
|
|
return NS_OK;
|
|
}
|
|
|
|
nsresult RunAfterProcessingCurrentEvent(std::function<void()>&& aCallback) {
|
|
MOZ_DIAGNOSTIC_ASSERT(
|
|
!nsThreadPool::GetCurrentThreadPool(),
|
|
"Call to RunAfterProcessingCurrentEvent() from thread pool!");
|
|
|
|
auto helper = MakeRefPtr<RunAfterProcessingCurrentEventHelper>();
|
|
|
|
QM_TRY(MOZ_TO_RESULT(helper->Init(std::move(aCallback))));
|
|
|
|
return NS_OK;
|
|
}
|
|
|
|
void SleepIfEnabled(StripAtomic<RelaxedAtomicUint32> aMirroredPrefValue) {
|
|
uint32_t pauseOnThreadMs = aMirroredPrefValue;
|
|
if (pauseOnThreadMs > 0) {
|
|
PR_Sleep(PR_MillisecondsToInterval(pauseOnThreadMs));
|
|
}
|
|
}
|
|
|
|
} // namespace mozilla::dom::quota
|