From 43a97878ce14b72f0981164f87f2e35e14151312 Mon Sep 17 00:00:00 2001 From: Daniel Baumann Date: Sun, 7 Apr 2024 11:22:09 +0200 Subject: Adding upstream version 110.0.1. Signed-off-by: Daniel Baumann --- xpcom/base/HoldDropJSObjects.cpp | 53 ++++++++++++++++++++++++++++++++++++++++ 1 file changed, 53 insertions(+) create mode 100644 xpcom/base/HoldDropJSObjects.cpp (limited to 'xpcom/base/HoldDropJSObjects.cpp') diff --git a/xpcom/base/HoldDropJSObjects.cpp b/xpcom/base/HoldDropJSObjects.cpp new file mode 100644 index 0000000000..2b3a810d89 --- /dev/null +++ b/xpcom/base/HoldDropJSObjects.cpp @@ -0,0 +1,53 @@ +/* -*- 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/HoldDropJSObjects.h" + +#include "mozilla/Assertions.h" +#include "mozilla/CycleCollectedJSRuntime.h" + +namespace mozilla { +namespace cyclecollector { + +void HoldJSObjectsImpl(void* aHolder, nsScriptObjectTracer* aTracer, + JS::Zone* aZone) { + CycleCollectedJSRuntime* rt = CycleCollectedJSRuntime::Get(); + MOZ_ASSERT(rt, "Should have a CycleCollectedJSRuntime by now"); + rt->AddJSHolder(aHolder, aTracer, aZone); +} + +void HoldJSObjectsImpl(nsISupports* aHolder) { + nsXPCOMCycleCollectionParticipant* participant = nullptr; + CallQueryInterface(aHolder, &participant); + MOZ_ASSERT(participant, "Failed to QI to nsXPCOMCycleCollectionParticipant!"); + MOZ_ASSERT( + participant->CheckForRightISupports(aHolder), + "The result of QIing a JS holder should be the same as ToSupports"); + + HoldJSObjectsImpl(aHolder, participant); +} + +void DropJSObjectsImpl(void* aHolder) { + CycleCollectedJSRuntime* rt = CycleCollectedJSRuntime::Get(); + MOZ_ASSERT(rt, "Should have a CycleCollectedJSRuntime by now"); + rt->RemoveJSHolder(aHolder); +} + +void DropJSObjectsImpl(nsISupports* aHolder) { +#ifdef DEBUG + nsXPCOMCycleCollectionParticipant* participant = nullptr; + CallQueryInterface(aHolder, &participant); + MOZ_ASSERT(participant, "Failed to QI to nsXPCOMCycleCollectionParticipant!"); + MOZ_ASSERT( + participant->CheckForRightISupports(aHolder), + "The result of QIing a JS holder should be the same as ToSupports"); +#endif + DropJSObjectsImpl(static_cast(aHolder)); +} + +} // namespace cyclecollector + +} // namespace mozilla -- cgit v1.2.3