chromium/mojo/public/cpp/system/platform_handle.cc

// Copyright 2016 The Chromium Authors
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.

#include "mojo/public/cpp/system/platform_handle.h"

#include "base/check_op.h"
#include "base/memory/platform_shared_memory_region.h"
#include "base/notreached.h"
#include "base/numerics/safe_conversions.h"
#include "build/build_config.h"
#include "mojo/public/cpp/platform/platform_handle_internal.h"

namespace mojo {

namespace {

uint64_t ReleasePlatformHandleValueFromPlatformFile(
    base::ScopedPlatformFile file) { … }

base::ScopedPlatformFile PlatformFileFromPlatformHandleValue(uint64_t value) { … }

}  // namespace

ScopedSharedBufferHandle WrapPlatformSharedMemoryRegion(
    base::subtle::PlatformSharedMemoryRegion region) { … }

base::subtle::PlatformSharedMemoryRegion UnwrapPlatformSharedMemoryRegion(
    ScopedSharedBufferHandle mojo_handle) { … }

ScopedHandle WrapPlatformHandle(PlatformHandle handle) { … }

PlatformHandle UnwrapPlatformHandle(ScopedHandle handle) { … }

ScopedHandle WrapPlatformFile(base::ScopedPlatformFile platform_file) { … }

MojoResult UnwrapPlatformFile(ScopedHandle handle,
                              base::ScopedPlatformFile* file) { … }

ScopedSharedBufferHandle WrapReadOnlySharedMemoryRegion(
    base::ReadOnlySharedMemoryRegion region) { … }

ScopedSharedBufferHandle WrapUnsafeSharedMemoryRegion(
    base::UnsafeSharedMemoryRegion region) { … }

ScopedSharedBufferHandle WrapWritableSharedMemoryRegion(
    base::WritableSharedMemoryRegion region) { … }

base::ReadOnlySharedMemoryRegion UnwrapReadOnlySharedMemoryRegion(
    ScopedSharedBufferHandle handle) { … }

base::UnsafeSharedMemoryRegion UnwrapUnsafeSharedMemoryRegion(
    ScopedSharedBufferHandle handle) { … }

base::WritableSharedMemoryRegion UnwrapWritableSharedMemoryRegion(
    ScopedSharedBufferHandle handle) { … }

}  // namespace mojo