chromium/ipc/ipc_platform_file.cc

// Copyright 2012 The Chromium Authors
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.

#include "build/build_config.h"
#include "ipc/ipc_platform_file.h"

#if BUILDFLAG(IS_WIN)
#include <windows.h>
#elif BUILDFLAG(IS_POSIX) || BUILDFLAG(IS_FUCHSIA)
#include <unistd.h>

#include "base/posix/eintr_wrapper.h"
#endif

namespace IPC {

#if BUILDFLAG(IS_WIN)
PlatformFileForTransit::PlatformFileForTransit() : handle_(nullptr) {}

PlatformFileForTransit::PlatformFileForTransit(HANDLE handle)
    : handle_(handle) {}

bool PlatformFileForTransit::operator==(
    const PlatformFileForTransit& platform_file) const {
  return handle_ == platform_file.handle_;
}

bool PlatformFileForTransit::operator!=(
    const PlatformFileForTransit& platform_file) const {
  return !(*this == platform_file);
}

HANDLE PlatformFileForTransit::GetHandle() const {
  return handle_;
}

bool PlatformFileForTransit::IsValid() const {
  return handle_ != nullptr;
}

#endif  // BUILDFLAG(IS_WIN)

PlatformFileForTransit GetPlatformFileForTransit(base::PlatformFile handle,
                                                 bool close_source_handle) { … }

PlatformFileForTransit TakePlatformFileForTransit(base::File file) { … }

}  // namespace IPC