1 // Copyright (c) 2012 The Chromium Authors. All rights reserved. 2 // Use of this source code is governed by a BSD-style license that can be 3 // found in the LICENSE file. 4 5 #include "base/logging.h" 6 #include "base/platform_file.h" 7 #include "dbus/file_descriptor.h" 8 9 namespace dbus { 10 11 FileDescriptor::~FileDescriptor() { 12 if (owner_) 13 base::ClosePlatformFile(value_); 14 } 15 16 int FileDescriptor::value() const { 17 CHECK(valid_); 18 return value_; 19 } 20 21 int FileDescriptor::TakeValue() { 22 CHECK(valid_); // NB: check first so owner_ is unchanged if this triggers 23 owner_ = false; 24 return value_; 25 } 26 27 void FileDescriptor::CheckValidity() { 28 base::PlatformFileInfo info; 29 bool ok = base::GetPlatformFileInfo(value_, &info); 30 valid_ = (ok && !info.is_directory); 31 } 32 33 } // namespace dbus 34
