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author | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-19 00:47:55 +0000 |
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committer | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-19 00:47:55 +0000 |
commit | 26a029d407be480d791972afb5975cf62c9360a6 (patch) | |
tree | f435a8308119effd964b339f76abb83a57c29483 /xpcom/base/HoldDropJSObjects.cpp | |
parent | Initial commit. (diff) | |
download | firefox-26a029d407be480d791972afb5975cf62c9360a6.tar.xz firefox-26a029d407be480d791972afb5975cf62c9360a6.zip |
Adding upstream version 124.0.1.upstream/124.0.1
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to '')
-rw-r--r-- | xpcom/base/HoldDropJSObjects.cpp | 53 |
1 files changed, 53 insertions, 0 deletions
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<void*>(aHolder)); +} + +} // namespace cyclecollector + +} // namespace mozilla |