// Copyright 2014 The Chromium Authors. All rights reserved.
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// Use of this source code is governed by a BSD-style license that can be
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// found in the LICENSE file.
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#ifndef MOJO_CORE_PLATFORM_HANDLE_UTILS_H_
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#define MOJO_CORE_PLATFORM_HANDLE_UTILS_H_
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#include "base/memory/platform_shared_memory_region.h"
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#include "mojo/core/system_impl_export.h"
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#include "mojo/public/c/system/platform_handle.h"
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#include "mojo/public/c/system/types.h"
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#include "mojo/public/cpp/platform/platform_handle.h"
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namespace mojo {
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namespace core {
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// Converts a base shared memory platform handle into one (maybe two on POSIX)
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// PlatformHandle(s).
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MOJO_SYSTEM_IMPL_EXPORT void ExtractPlatformHandlesFromSharedMemoryRegionHandle(
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base::subtle::PlatformSharedMemoryRegion::ScopedPlatformHandle handle,
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PlatformHandle* extracted_handle,
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PlatformHandle* extracted_readonly_handle);
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// Converts one (maybe two on POSIX) PlatformHandle(s) to a base shared memory
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// platform handle.
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MOJO_SYSTEM_IMPL_EXPORT
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base::subtle::PlatformSharedMemoryRegion::ScopedPlatformHandle
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CreateSharedMemoryRegionHandleFromPlatformHandles(
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PlatformHandle handle,
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PlatformHandle readonly_handle);
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} // namespace core
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} // namespace mojo
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#endif // MOJO_CORE_PLATFORM_HANDLE_UTILS_H_
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