49 lines
1.2 KiB
C
49 lines
1.2 KiB
C
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/*
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* Copyright 2016-present Facebook, Inc.
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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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#pragma once
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#include <folly/portability/Sockets.h>
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#include <sys/types.h>
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#if !defined(FOLLY_ALLOW_TFO)
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#if defined(__linux__) || defined(__APPLE__)
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// only allow for linux right now
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#define FOLLY_ALLOW_TFO 1
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#endif
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#endif
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namespace folly {
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namespace detail {
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/**
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* tfo_sendto has the same semantics as sendmsg, but is used to
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* send with TFO data.
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*/
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ssize_t tfo_sendmsg(int sockfd, const struct msghdr* msg, int flags);
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/**
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* Enable TFO on a listening socket.
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*/
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int tfo_enable(int sockfd, size_t max_queue_size);
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/**
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* Check if TFO succeeded in being used.
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*/
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bool tfo_succeeded(int sockfd);
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} // namespace detail
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} // namespace folly
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