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11a6356253
Destroying large arrays of css::Rules during page teardown can take multiple milliseconds in incremental CC. To reduce CC pauses, this patch introduces a new class nsIncrementalClearCOMRuleArray that uses the deferred finalizer to incrementally destroy these rule arrays.
29 lines
781 B
C++
29 lines
781 B
C++
/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
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/* vim: set ts=8 sts=2 et sw=2 tw=80: */
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/* This Source Code Form is subject to the terms of the Mozilla Public
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* License, v. 2.0. If a copy of the MPL was not distributed with this
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* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
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#ifndef mozilla_IncrementalClearCOMRuleArray_h
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#define mozilla_IncrementalClearCOMRuleArray_h
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#include "nsCOMArray.h"
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namespace mozilla {
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namespace css {
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class Rule;
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} // namespace css
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class IncrementalClearCOMRuleArray : public nsCOMArray<css::Rule>
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{
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public:
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IncrementalClearCOMRuleArray() {}
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~IncrementalClearCOMRuleArray() { Clear(); }
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void Clear();
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};
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} // namespace mozilla
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#endif /* !defined(mozilla_IncrementalClearCOMRuleArray_h) */
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