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