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- /*
- * Copyright 2014-present Facebook, Inc.
- *
- * 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.
- */
- #pragma once
- namespace folly {
- class SocketPair {
- public:
- enum Mode { BLOCKING, NONBLOCKING };
- explicit SocketPair(Mode mode = NONBLOCKING);
- ~SocketPair();
- int operator[](int index) const {
- return fds_[index];
- }
- void closeFD0();
- void closeFD1();
- int extractFD0() {
- return extractFD(0);
- }
- int extractFD1() {
- return extractFD(1);
- }
- int extractFD(int index) {
- int fd = fds_[index];
- fds_[index] = -1;
- return fd;
- }
- private:
- int fds_[2];
- };
- } // namespace folly
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