// Licensed to the Apache Software Foundation (ASF) under one // or more contributor license agreements. See the NOTICE file // distributed with this work for additional information // regarding copyright ownership. The ASF licenses this file // to you 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. // Author: Ge,Jun (gejun@baidu.com) // Date: Mon. Nov 7 14:47:36 CST 2011 // Utility functions on file descriptor. #ifndef BUTIL_FD_UTILITY_H #define BUTIL_FD_UTILITY_H namespace butil { // Make file descriptor |fd| non-blocking // Returns 0 on success, -1 otherwise and errno is set (by fcntl) int make_non_blocking(int fd); // Make file descriptor |fd| blocking // Returns 0 on success, -1 otherwise and errno is set (by fcntl) int make_blocking(int fd); // Make file descriptor |fd| automatically closed during exec() // Returns 0 on success, -1 when error and errno is set (by fcntl) int make_close_on_exec(int fd); // Disable nagling on file descriptor |socket|. // Returns 0 on success, -1 when error and errno is set (by setsockopt) int make_no_delay(int socket); } // namespace butil #endif // BUTIL_FD_UTILITY_H