diff options
Diffstat (limited to 'xpcom/base/DebuggerOnGCRunnable.cpp')
-rw-r--r-- | xpcom/base/DebuggerOnGCRunnable.cpp | 51 |
1 files changed, 51 insertions, 0 deletions
diff --git a/xpcom/base/DebuggerOnGCRunnable.cpp b/xpcom/base/DebuggerOnGCRunnable.cpp new file mode 100644 index 0000000000..bcb13b3226 --- /dev/null +++ b/xpcom/base/DebuggerOnGCRunnable.cpp @@ -0,0 +1,51 @@ +/* -*- 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/DebuggerOnGCRunnable.h" + +#include <utility> + +#include "js/Debug.h" +#include "mozilla/CycleCollectedJSContext.h" +#include "mozilla/dom/ScriptSettings.h" +#include "mozilla/SchedulerGroup.h" + +namespace mozilla { + +/* static */ +nsresult DebuggerOnGCRunnable::Enqueue(JSContext* aCx, + const JS::GCDescription& aDesc) { + auto gcEvent = aDesc.toGCEvent(aCx); + if (!gcEvent) { + return NS_ERROR_OUT_OF_MEMORY; + } + + RefPtr<DebuggerOnGCRunnable> runOnGC = + new DebuggerOnGCRunnable(std::move(gcEvent)); + if (NS_IsMainThread()) { + return SchedulerGroup::Dispatch(TaskCategory::GarbageCollection, + runOnGC.forget()); + } else { + return NS_DispatchToCurrentThread(runOnGC); + } +} + +NS_IMETHODIMP +DebuggerOnGCRunnable::Run() { + dom::AutoJSAPI jsapi; + jsapi.Init(); + if (!JS::dbg::FireOnGarbageCollectionHook(jsapi.cx(), std::move(mGCData))) { + return NS_ERROR_OUT_OF_MEMORY; + } + return NS_OK; +} + +nsresult DebuggerOnGCRunnable::Cancel() { + mGCData = nullptr; + return NS_OK; +} + +} // namespace mozilla |