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socketpair.h 2.2 KB

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