зеркало из https://github.com/mozilla/gecko-dev.git
49 строки
1.3 KiB
C++
49 строки
1.3 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_LAYERS_REFCOUNTED_SHMEM_H
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#define MOZILLA_LAYERS_REFCOUNTED_SHMEM_H
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#include "mozilla/ipc/Shmem.h"
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#include "chrome/common/ipc_message_utils.h"
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namespace mozilla {
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namespace ipc {
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class IProtocol;
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}
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namespace layers {
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// This class is IPDL-defined
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class RefCountedShmem;
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// This just implement the methods externally.
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class RefCountedShm {
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public:
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static uint8_t* GetBytes(const RefCountedShmem& aShm);
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static size_t GetSize(const RefCountedShmem& aShm);
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static bool IsValid(const RefCountedShmem& aShm);
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static bool Alloc(mozilla::ipc::IProtocol* aAllocator, size_t aSize,
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RefCountedShmem& aShm);
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static void Dealloc(mozilla::ipc::IProtocol* aAllocator,
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RefCountedShmem& aShm);
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static int32_t GetReferenceCount(const RefCountedShmem& aShm);
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static int32_t AddRef(const RefCountedShmem& aShm);
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static int32_t Release(const RefCountedShmem& aShm);
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};
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} // namespace layers
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} // namespace mozilla
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#endif
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