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socketpair: an implemention for Windows and more

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Curl_socketpair() is designed to be used and work everywhere if there's
no native version or the native version isn't good enough.

Closes #4466
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Daniel Stenberg 2019-10-04 23:59:29 +02:00
parent 41c69f473e
commit bc2dbef0af
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3 changed files with 150 additions and 2 deletions
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36
lib/socketpair.h Normal file
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#ifndef HEADER_CURL_SOCKETPAIR_H
#define HEADER_CURL_SOCKETPAIR_H
/***************************************************************************
* _ _ ____ _
* Project ___| | | | _ \| |
* / __| | | | |_) | |
* | (__| |_| | _ <| |___
* \___|\___/|_| \_\_____|
*
* Copyright (C) 2019, Daniel Stenberg, <daniel@haxx.se>, et al.
*
* This software is licensed as described in the file COPYING, which
* you should have received as part of this distribution. The terms
* are also available at https://curl.haxx.se/docs/copyright.html.
*
* You may opt to use, copy, modify, merge, publish, distribute and/or sell
* copies of the Software, and permit persons to whom the Software is
* furnished to do so, under the terms of the COPYING file.
*
* This software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY
* KIND, either express or implied.
*
***************************************************************************/
#include "curl_setup.h"
#ifndef HAVE_SOCKETPAIR
int Curl_socketpair(int domain, int type, int protocol,
curl_socket_t socks[2]);
#else
#define Curl_socketpair(a,b,c,d) socketpair(a,b,c,d)
#endif
/* Defined here to allow specific build configs to disable it completely */
#define USE_SOCKETPAIR 1
#endif /* HEADER_CURL_SOCKETPAIR_H */