2 * Copyright 2012 Facebook, Inc.
4 * Licensed under the Apache License, Version 2.0 (the "License");
5 * you may not use this file except in compliance with the License.
6 * You may obtain a copy of the License at
8 * http://www.apache.org/licenses/LICENSE-2.0
10 * Unless required by applicable law or agreed to in writing, software
11 * distributed under the License is distributed on an "AS IS" BASIS,
12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
13 * See the License for the specific language governing permissions and
14 * limitations under the License.
17 #include "folly/experimental/File.h"
19 #include <system_error>
21 #include <glog/logging.h>
25 File::File(const char* name, int flags, mode_t mode)
26 : fd_(::open(name, flags, mode)), ownsFd_(false) {
28 throw std::system_error(errno, std::system_category(), "open() failed");
34 if (!closeNoThrow()) {
35 throw std::system_error(errno, std::system_category(), "close() failed");
39 bool File::closeNoThrow() {
40 int r = ownsFd_ ? ::close(fd_) : 0;