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/* -*- 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
#ifndef MOZILLA_LAYERS_REFCOUNTED_SHMEM_H
#define MOZILLA_LAYERS_REFCOUNTED_SHMEM_H
#include "mozilla/ipc/Shmem.h"
#include "chrome/common/ipc_message_utils.h"
namespace mozilla {
namespace ipc {
class IProtocol;
}
namespace layers {
// This class is IPDL-defined
class RefCountedShmem;
// This just implement the methods externally.
class RefCountedShm {
public:
static uint8_t* GetBytes(const RefCountedShmem& aShm);
static size_t GetSize(const RefCountedShmem& aShm);
static bool IsValid(const RefCountedShmem& aShm);
static bool Alloc(mozilla::ipc::IProtocol* aAllocator, size_t aSize,
RefCountedShmem& aShm);
static void Dealloc(mozilla::ipc::IProtocol* aAllocator,
RefCountedShmem& aShm);
static int32_t GetReferenceCount(const RefCountedShmem& aShm);
static int32_t AddRef(const RefCountedShmem& aShm);
static int32_t Release(const RefCountedShmem& aShm);
};
} // namespace layers
} // namespace mozilla
#endif