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// Copyright (c) 2011 The Chromium Authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#ifndef IPC_IPC_PLATFORM_FILE_H_
#define IPC_IPC_PLATFORM_FILE_H_
#include "base/basictypes.h"
#include "base/files/file.h"
#include "base/process/process.h"
#include "ipc/ipc_export.h"
#if defined(OS_POSIX)
#include "base/file_descriptor_posix.h"
#endif
namespace IPC {
#if defined(OS_WIN)
typedef base::PlatformFile PlatformFileForTransit;
#elif defined(OS_POSIX)
typedef base::FileDescriptor PlatformFileForTransit;
#endif
inline PlatformFileForTransit InvalidPlatformFileForTransit() {
#if defined(OS_WIN)
return INVALID_HANDLE_VALUE;
#elif defined(OS_POSIX)
return base::FileDescriptor();
#endif
}
inline base::PlatformFile PlatformFileForTransitToPlatformFile(
const PlatformFileForTransit& transit) {
#if defined(OS_WIN)
return transit;
#elif defined(OS_POSIX)
return transit.fd;
#endif
}
inline base::File PlatformFileForTransitToFile(
const PlatformFileForTransit& transit) {
#if defined(OS_WIN)
return base::File(transit);
#elif defined(OS_POSIX)
return base::File(transit.fd);
#endif
}
// Returns a file handle equivalent to |file| that can be used in |process|.
IPC_EXPORT PlatformFileForTransit GetFileHandleForProcess(
base::PlatformFile file,
base::ProcessHandle process,
bool close_source_handle);
// Returns a file handle equivalent to |file| that can be used in |process|.
// Note that this function takes ownership of |file|.
IPC_EXPORT PlatformFileForTransit TakeFileHandleForProcess(
base::File file,
base::ProcessHandle process);
} // namespace IPC
#endif // IPC_IPC_PLATFORM_FILE_H_
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