46 lines
1.6 KiB
C++
46 lines
1.6 KiB
C++
// Licensed to the Apache Software Foundation (ASF) under one
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// or more contributor license agreements. See the NOTICE file
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// distributed with this work for additional information
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// regarding copyright ownership. The ASF licenses this file
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// to you under the Apache License, Version 2.0 (the
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// "License"); you may not use this file except in compliance
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// with the License. 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,
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// software distributed under the License is distributed on an
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// "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
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// KIND, either express or implied. See the License for the
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// specific language governing permissions and limitations
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// under the License.
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// Date: Mon. Nov 7 14:47:36 CST 2011
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// Utility functions on file descriptor.
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#ifndef BUTIL_FD_UTILITY_H
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#define BUTIL_FD_UTILITY_H
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namespace butil {
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// Make file descriptor |fd| non-blocking
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// Returns 0 on success, -1 otherwise and errno is set (by fcntl)
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int make_non_blocking(int fd);
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// Make file descriptor |fd| blocking
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// Returns 0 on success, -1 otherwise and errno is set (by fcntl)
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int make_blocking(int fd);
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// Make file descriptor |fd| automatically closed during exec()
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// Returns 0 on success, -1 when error and errno is set (by fcntl)
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int make_close_on_exec(int fd);
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// Disable nagling on file descriptor |socket|.
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// Returns 0 on success, -1 when error and errno is set (by setsockopt)
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int make_no_delay(int socket);
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} // namespace butil
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#endif // BUTIL_FD_UTILITY_H
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