socketpair.h (2445B)
1 #ifndef HEADER_CURL_SOCKETPAIR_H 2 #define HEADER_CURL_SOCKETPAIR_H 3 /*************************************************************************** 4 * _ _ ____ _ 5 * Project ___| | | | _ \| | 6 * / __| | | | |_) | | 7 * | (__| |_| | _ <| |___ 8 * \___|\___/|_| \_\_____| 9 * 10 * Copyright (C) Daniel Stenberg, <daniel@haxx.se>, et al. 11 * 12 * This software is licensed as described in the file COPYING, which 13 * you should have received as part of this distribution. The terms 14 * are also available at https://curl.se/docs/copyright.html. 15 * 16 * You may opt to use, copy, modify, merge, publish, distribute and/or sell 17 * copies of the Software, and permit persons to whom the Software is 18 * furnished to do so, under the terms of the COPYING file. 19 * 20 * This software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY 21 * KIND, either express or implied. 22 * 23 * SPDX-License-Identifier: curl 24 * 25 ***************************************************************************/ 26 27 #include "curl_setup.h" 28 29 #ifdef USE_EVENTFD 30 31 #define wakeup_write write 32 #define wakeup_read read 33 #define wakeup_close close 34 #define wakeup_create(p,nb) Curl_eventfd(p,nb) 35 36 #include <curl/curl.h> 37 int Curl_eventfd(curl_socket_t socks[2], bool nonblocking); 38 39 #elif defined(HAVE_PIPE) 40 41 #define wakeup_write write 42 #define wakeup_read read 43 #define wakeup_close close 44 #define wakeup_create(p,nb) Curl_pipe(p,nb) 45 46 #include <curl/curl.h> 47 int Curl_pipe(curl_socket_t socks[2], bool nonblocking); 48 49 #else /* !USE_EVENTFD && !HAVE_PIPE */ 50 51 #define wakeup_write swrite 52 #define wakeup_read sread 53 #define wakeup_close sclose 54 55 #if defined(USE_UNIX_SOCKETS) && defined(HAVE_SOCKETPAIR) 56 #define SOCKETPAIR_FAMILY AF_UNIX 57 #elif !defined(HAVE_SOCKETPAIR) 58 #define SOCKETPAIR_FAMILY 0 /* not used */ 59 #else 60 #error "unsupported Unix domain and socketpair build combo" 61 #endif 62 63 #ifdef SOCK_CLOEXEC 64 #define SOCKETPAIR_TYPE (SOCK_STREAM | SOCK_CLOEXEC) 65 #else 66 #define SOCKETPAIR_TYPE SOCK_STREAM 67 #endif 68 69 #define wakeup_create(p,nb)\ 70 Curl_socketpair(SOCKETPAIR_FAMILY, SOCKETPAIR_TYPE, 0, p, nb) 71 72 #endif /* USE_EVENTFD */ 73 74 #ifndef CURL_DISABLE_SOCKETPAIR 75 #include <curl/curl.h> 76 77 int Curl_socketpair(int domain, int type, int protocol, 78 curl_socket_t socks[2], bool nonblocking); 79 #endif 80 81 #endif /* HEADER_CURL_SOCKETPAIR_H */