1 /* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */ 2 /* vim: set ts=8 sts=2 et sw=2 tw=80: */ 3 /* This Source Code Form is subject to the terms of the Mozilla Public 4 * License, v. 2.0. If a copy of the MPL was not distributed with this 5 * file, You can obtain one at http://mozilla.org/MPL/2.0/. */ 6 7 #include "mozilla/DebuggerOnGCRunnable.h" 8 9 #include <utility> 10 11 #include "js/Debug.h" 12 #include "mozilla/CycleCollectedJSContext.h" 13 #include "mozilla/dom/ScriptSettings.h" 14 #include "mozilla/SchedulerGroup.h" 15 16 namespace mozilla { 17 18 /* static */ Enqueue(JSContext * aCx,const JS::GCDescription & aDesc)19nsresult DebuggerOnGCRunnable::Enqueue(JSContext* aCx, 20 const JS::GCDescription& aDesc) { 21 auto gcEvent = aDesc.toGCEvent(aCx); 22 if (!gcEvent) { 23 return NS_ERROR_OUT_OF_MEMORY; 24 } 25 26 RefPtr<DebuggerOnGCRunnable> runOnGC = 27 new DebuggerOnGCRunnable(std::move(gcEvent)); 28 if (NS_IsMainThread()) { 29 return SchedulerGroup::Dispatch(TaskCategory::GarbageCollection, 30 runOnGC.forget()); 31 } else { 32 return NS_DispatchToCurrentThread(runOnGC); 33 } 34 } 35 36 NS_IMETHODIMP Run()37DebuggerOnGCRunnable::Run() { 38 dom::AutoJSAPI jsapi; 39 jsapi.Init(); 40 if (!JS::dbg::FireOnGarbageCollectionHook(jsapi.cx(), std::move(mGCData))) { 41 return NS_ERROR_OUT_OF_MEMORY; 42 } 43 return NS_OK; 44 } 45 Cancel()46nsresult DebuggerOnGCRunnable::Cancel() { 47 mGCData = nullptr; 48 return NS_OK; 49 } 50 51 } // namespace mozilla 52