From 36d22d82aa202bb199967e9512281e9a53db42c9 Mon Sep 17 00:00:00 2001 From: Daniel Baumann Date: Sun, 7 Apr 2024 21:33:14 +0200 Subject: Adding upstream version 115.7.0esr. Signed-off-by: Daniel Baumann --- dom/base/nsCCUncollectableMarker.h | 46 ++++++++++++++++++++++++++++++++++++++ 1 file changed, 46 insertions(+) create mode 100644 dom/base/nsCCUncollectableMarker.h (limited to 'dom/base/nsCCUncollectableMarker.h') diff --git a/dom/base/nsCCUncollectableMarker.h b/dom/base/nsCCUncollectableMarker.h new file mode 100644 index 0000000000..2948cc0589 --- /dev/null +++ b/dom/base/nsCCUncollectableMarker.h @@ -0,0 +1,46 @@ +/* -*- 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/. */ + +#ifndef nsCCUncollectableMarker_h_ +#define nsCCUncollectableMarker_h_ + +#include "js/TracingAPI.h" +#include "mozilla/Attributes.h" +#include "nsIObserver.h" + +class nsCCUncollectableMarker final : public nsIObserver { + NS_DECL_ISUPPORTS + NS_DECL_NSIOBSERVER + + /** + * Inits a global nsCCUncollectableMarker. Should only be called once. + */ + static nsresult Init(); + + /** + * Checks if we're collecting during a given generation + */ + static bool InGeneration(uint32_t aGeneration) { + return aGeneration && aGeneration == sGeneration; + } + + template + static bool InGeneration(CCCallback& aCb, uint32_t aGeneration) { + return InGeneration(aGeneration) && !aCb.WantAllTraces(); + } + + static uint32_t sGeneration; + + private: + nsCCUncollectableMarker() = default; + ~nsCCUncollectableMarker() = default; +}; + +namespace mozilla::dom { +void TraceBlackJS(JSTracer* aTrc); +} // namespace mozilla::dom + +#endif -- cgit v1.2.3