curl/lib/socketpair.h

79 строки
2.2 KiB
C

#ifndef HEADER_CURL_SOCKETPAIR_H
#define HEADER_CURL_SOCKETPAIR_H
/***************************************************************************
* _ _ ____ _
* Project ___| | | | _ \| |
* / __| | | | |_) | |
* | (__| |_| | _ <| |___
* \___|\___/|_| \_\_____|
*
* Copyright (C) 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.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.
*
* SPDX-License-Identifier: curl
*
***************************************************************************/
#include "curl_setup.h"
#ifdef HAVE_PIPE
#define wakeup_write write
#define wakeup_read read
#define wakeup_close close
#define wakeup_create(p) Curl_pipe(p)
#ifdef HAVE_FCNTL
#include <curl/curl.h>
int Curl_pipe(curl_socket_t socks[2]);
#else
#define Curl_pipe(p) pipe(p)
#endif
#else /* HAVE_PIPE */
#define wakeup_write swrite
#define wakeup_read sread
#define wakeup_close sclose
#if defined(USE_UNIX_SOCKETS) && defined(HAVE_SOCKETPAIR)
#define SOCKETPAIR_FAMILY AF_UNIX
#elif !defined(HAVE_SOCKETPAIR)
#define SOCKETPAIR_FAMILY 0 /* not used */
#else
#error "unsupported unix domain and socketpair build combo"
#endif
#ifdef SOCK_CLOEXEC
#define SOCKETPAIR_TYPE (SOCK_STREAM | SOCK_CLOEXEC)
#else
#define SOCKETPAIR_TYPE SOCK_STREAM
#endif
#define wakeup_create(p)\
Curl_socketpair(SOCKETPAIR_FAMILY, SOCKETPAIR_TYPE, 0, p)
#endif /* HAVE_PIPE */
#ifndef HAVE_SOCKETPAIR
#include <curl/curl.h>
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
#endif /* HEADER_CURL_SOCKETPAIR_H */