| // |
| // Copyright (C) 2013 The Android Open Source Project |
| // |
| // Licensed under the Apache License, Version 2.0 (the "License"); |
| // you may not use this file except in compliance with the License. |
| // You may obtain a copy of the License at |
| // |
| // http://www.apache.org/licenses/LICENSE-2.0 |
| // |
| // Unless required by applicable law or agreed to in writing, software |
| // distributed under the License is distributed on an "AS IS" BASIS, |
| // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| // See the License for the specific language governing permissions and |
| // limitations under the License. |
| // |
| |
| #include "shill/file_io.h" |
| |
| #include <fcntl.h> |
| #include <unistd.h> |
| |
| #include <base/posix/eintr_wrapper.h> |
| |
| namespace shill { |
| |
| namespace { |
| |
| base::LazyInstance<FileIO> g_file_io = LAZY_INSTANCE_INITIALIZER; |
| |
| } // namespace |
| |
| FileIO::FileIO() {} |
| |
| FileIO::~FileIO() {} |
| |
| // static |
| FileIO* FileIO::GetInstance() { |
| return g_file_io.Pointer(); |
| } |
| |
| ssize_t FileIO::Write(int fd, const void* buf, size_t count) { |
| return HANDLE_EINTR(write(fd, buf, count)); |
| } |
| |
| ssize_t FileIO::Read(int fd, void* buf, size_t count) { |
| return HANDLE_EINTR(read(fd, buf, count)); |
| } |
| |
| int FileIO::Close(int fd) { |
| return IGNORE_EINTR(close(fd)); |
| } |
| |
| int FileIO::SetFdNonBlocking(int fd) { |
| const int flags = HANDLE_EINTR(fcntl(fd, F_GETFL)) | O_NONBLOCK; |
| return HANDLE_EINTR(fcntl(fd, F_SETFL, flags)); |
| } |
| |
| } // namespace shill |