| // 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_ |