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// Copyright 2014 The Chromium Authors
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#ifndef MOJO_CORE_PLATFORM_HANDLE_UTILS_H_
#define MOJO_CORE_PLATFORM_HANDLE_UTILS_H_
#include "base/memory/platform_shared_memory_region.h"
#include "base/process/process.h"
#include "mojo/core/system_impl_export.h"
#include "mojo/public/c/system/invitation.h"
#include "mojo/public/c/system/platform_handle.h"
#include "mojo/public/c/system/types.h"
#include "mojo/public/cpp/platform/platform_handle.h"
namespace mojo {
namespace core {
// Converts a base shared memory platform handle into one (maybe two on POSIX)
// PlatformHandle(s).
MOJO_SYSTEM_IMPL_EXPORT void ExtractPlatformHandlesFromSharedMemoryRegionHandle(
base::subtle::ScopedPlatformSharedMemoryHandle handle,
PlatformHandle* extracted_handle,
PlatformHandle* extracted_readonly_handle);
// Converts one (maybe two on POSIX) PlatformHandle(s) to a base shared memory
// platform handle.
MOJO_SYSTEM_IMPL_EXPORT
base::subtle::ScopedPlatformSharedMemoryHandle
CreateSharedMemoryRegionHandleFromPlatformHandles(
PlatformHandle handle,
PlatformHandle readonly_handle);
// Takes a MojoPlatformProcessHandle, which does not own the handle value
// contained within, duplicates the value, and stores the strongly-owned result
// in |process|.
MojoResult UnwrapAndClonePlatformProcessHandle(
const MojoPlatformProcessHandle* process_handle,
base::Process& process);
} // namespace core
} // namespace mojo
#endif // MOJO_CORE_PLATFORM_HANDLE_UTILS_H_
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