diff options
Diffstat (limited to 'security/sandbox/chromium/base/file_descriptor_posix.h')
-rw-r--r-- | security/sandbox/chromium/base/file_descriptor_posix.h | 59 |
1 files changed, 0 insertions, 59 deletions
diff --git a/security/sandbox/chromium/base/file_descriptor_posix.h b/security/sandbox/chromium/base/file_descriptor_posix.h deleted file mode 100644 index 2a366116a..000000000 --- a/security/sandbox/chromium/base/file_descriptor_posix.h +++ /dev/null @@ -1,59 +0,0 @@ -// Copyright (c) 2006-2009 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 BASE_FILE_DESCRIPTOR_POSIX_H_ -#define BASE_FILE_DESCRIPTOR_POSIX_H_ - -#include "base/files/file.h" -#include "base/files/scoped_file.h" - -namespace base { - -// ----------------------------------------------------------------------------- -// We introduct a special structure for file descriptors in order that we are -// able to use template specialisation to special-case their handling. -// -// IMPORTANT: This is primarily intended for use when sending file descriptors -// over IPC. Even if |auto_close| is true, base::FileDescriptor does NOT close() -// |fd| when going out of scope. Instead, a consumer of a base::FileDescriptor -// must invoke close() on |fd| if |auto_close| is true. -// -// In the case of IPC, the the IPC subsystem knows to close() |fd| after sending -// a message that contains a base::FileDescriptor if auto_close == true. On the -// other end, the receiver must make sure to close() |fd| after it has finished -// processing the IPC message. See the IPC::ParamTraits<> specialization in -// ipc/ipc_message_utils.h for all the details. -// ----------------------------------------------------------------------------- -struct FileDescriptor { - FileDescriptor() : fd(-1), auto_close(false) {} - - FileDescriptor(int ifd, bool iauto_close) : fd(ifd), auto_close(iauto_close) { - } - - FileDescriptor(File file) : fd(file.TakePlatformFile()), auto_close(true) {} - explicit FileDescriptor(ScopedFD fd) : fd(fd.release()), auto_close(true) {} - - bool operator==(const FileDescriptor& other) const { - return (fd == other.fd && auto_close == other.auto_close); - } - - bool operator!=(const FileDescriptor& other) const { - return !operator==(other); - } - - // A comparison operator so that we can use these as keys in a std::map. - bool operator<(const FileDescriptor& other) const { - return other.fd < fd; - } - - int fd; - // If true, this file descriptor should be closed after it has been used. For - // example an IPC system might interpret this flag as indicating that the - // file descriptor it has been given should be closed after use. - bool auto_close; -}; - -} // namespace base - -#endif // BASE_FILE_DESCRIPTOR_POSIX_H_ |