зеркало из https://github.com/mozilla/gecko-dev.git
48 строки
2.1 KiB
C++
48 строки
2.1 KiB
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_DeferredFinalize_h
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#define mozilla_DeferredFinalize_h
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class nsISupports;
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namespace mozilla {
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// Called back from DeferredFinalize. Should add 'thing' to the array of smart
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// pointers in 'pointers', creating the array if 'pointers' is null, and return
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// the array.
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typedef void* (*DeferredFinalizeAppendFunction)(void* aPointers, void* aThing);
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// Called to finalize a number of objects. Slice is the number of objects to
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// finalize. The return value indicates whether it finalized all objects in the
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// buffer. If it returns true, the function will not be called again, so the
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// function should free aData.
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typedef bool (*DeferredFinalizeFunction)(uint32_t aSlice, void* aData);
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void DeferredFinalize(DeferredFinalizeAppendFunction aAppendFunc,
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DeferredFinalizeFunction aFunc,
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void* aThing);
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void DeferredFinalize(nsISupports* aSupports);
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// When recording or replaying, deferred finalizers are forced to run at the
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// same point during replay that they ran at while recording, even if there is
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// a JSObject associated with the reference which has not been collected yet
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// (since at this point the JSObject has been collected during the recording,
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// that JSObject will never be used again and its reference can be released).
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//
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// This requires that RecordReplayRegisterDeferredFinalizeThing() be called for
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// every thing which DeferredFinalize() will be called for at a later time.
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// Calls to these functions must be 1:1. When not recording or replaying, this
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// function is a no-op.
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void RecordReplayRegisterDeferredFinalizeThing(DeferredFinalizeAppendFunction aAppendFunc,
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DeferredFinalizeFunction aFunc,
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void* aThing);
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} // namespace mozilla
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#endif // mozilla_DeferredFinalize_h
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