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 HAVE_PIPE 30 31 #define wakeup_write write 32 #define wakeup_read read 33 #define wakeup_close close 34 #define wakeup_create(p) Curl_pipe(p) 35 36 #ifdef HAVE_FCNTL 37 #include <curl/curl.h> 38 int Curl_pipe(curl_socket_t socks[2]); 39 #else 40 #define Curl_pipe(p) pipe(p) 41 #endif 42 43 #else /* HAVE_PIPE */ 44 45 #define wakeup_write swrite 46 #define wakeup_read sread 47 #define wakeup_close sclose 48 49 #if defined(USE_UNIX_SOCKETS) && defined(HAVE_SOCKETPAIR) 50 #define SOCKETPAIR_FAMILY AF_UNIX 51 #elif !defined(HAVE_SOCKETPAIR) 52 #define SOCKETPAIR_FAMILY 0 /* not used */ 53 #else 54 #error "unsupported unix domain and socketpair build combo" 55 #endif 56 57 #ifdef SOCK_CLOEXEC 58 #define SOCKETPAIR_TYPE (SOCK_STREAM | SOCK_CLOEXEC) 59 #else 60 #define SOCKETPAIR_TYPE SOCK_STREAM 61 #endif 62 63 #define wakeup_create(p)\ 64 Curl_socketpair(SOCKETPAIR_FAMILY, SOCKETPAIR_TYPE, 0, p) 65 66 #endif /* HAVE_PIPE */ 67 68 69 #ifndef HAVE_SOCKETPAIR 70 #include <curl/curl.h> 71 72 int Curl_socketpair(int domain, int type, int protocol, 73 curl_socket_t socks[2]); 74 #else 75 #define Curl_socketpair(a,b,c,d) socketpair(a,b,c,d) 76 #endif 77 78 #endif /* HEADER_CURL_SOCKETPAIR_H */ 79