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src/os/unix/ngx_socket.h - nginx source code

Data types defined

Macros defined

Source code


  2. /*
  3. * Copyright (C) Igor Sysoev
  4. * Copyright (C) Nginx, Inc.
  5. */


  8. #ifndef _NGX_SOCKET_H_INCLUDED_
  9. ‌#define _NGX_SOCKET_H_INCLUDED_


  12. #include <ngx_config.h>


  15. ‌#define NGX_WRITE_SHUTDOWN SHUT_WR
  16. ‌#define NGX_READ_SHUTDOWN  SHUT_RD
  17. ‌#define NGX_RDWR_SHUTDOWN  SHUT_RDWR

  19. ‌typedef int  ngx_socket_t;

  21. ‌#define ngx_socket          socket
  22. ‌#define ngx_socket_n        "socket()"


  25. #if (NGX_HAVE_FIONBIO)

  27. int ngx_nonblocking(ngx_socket_t s);
  28. int ngx_blocking(ngx_socket_t s);

  30. ‌#define ngx_nonblocking_n   "ioctl(FIONBIO)"
  31. ‌#define ngx_blocking_n      "ioctl(!FIONBIO)"

  33. #else

  35. ‌#define ngx_nonblocking(s)  fcntl(s, F_SETFL, fcntl(s, F_GETFL) | O_NONBLOCK)
  36. ‌#define ngx_nonblocking_n   "fcntl(O_NONBLOCK)"

  38. ‌#define ngx_blocking(s)     fcntl(s, F_SETFL, fcntl(s, F_GETFL) & ~O_NONBLOCK)
  39. ‌#define ngx_blocking_n      "fcntl(!O_NONBLOCK)"

  41. #endif

  43. #if (NGX_HAVE_FIONREAD)

  45. ‌#define ngx_socket_nread(s, n)  ioctl(s, FIONREAD, n)
  46. ‌#define ngx_socket_nread_n      "ioctl(FIONREAD)"

  48. #endif

  50. int ngx_tcp_nopush(ngx_socket_t s);
  51. int ngx_tcp_push(ngx_socket_t s);

  53. #if (NGX_LINUX)

  55. ‌#define ngx_tcp_nopush_n   "setsockopt(TCP_CORK)"
  56. ‌#define ngx_tcp_push_n     "setsockopt(!TCP_CORK)"

  58. #else

  60. ‌#define ngx_tcp_nopush_n   "setsockopt(TCP_NOPUSH)"
  61. ‌#define ngx_tcp_push_n     "setsockopt(!TCP_NOPUSH)"

  63. #endif


  66. ‌#define ngx_shutdown_socket    shutdown
  67. ‌#define ngx_shutdown_socket_n  "shutdown()"

  69. ‌#define ngx_close_socket    close
  70. ‌#define ngx_close_socket_n  "close() socket"


  73. #endif /* _NGX_SOCKET_H_INCLUDED_ */

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