nginx/src/os/unix/ngx_socket.h

   1
   2 /*
   3  * Copyright (C) Igor Sysoev
   4  */
   5
   6
   7 #ifndef _NGX_SOCKET_H_INCLUDED_
   8 #define _NGX_SOCKET_H_INCLUDED_
   9
  10
  11 #include <ngx_config.h>
  12
  13
  14 #define NGX_WRITE_SHUTDOWN SHUT_WR
  15
  16 typedef int  ngx_socket_t;
  17
  18 #define ngx_socket          socket
  19 #define ngx_socket_n        "socket()"
  20
  21
  22 #if (NGX_HAVE_FIONBIO)
  23
  24 int ngx_nonblocking(ngx_socket_t s);
  25 int ngx_blocking(ngx_socket_t s);
  26
  27 #define ngx_nonblocking_n   "ioctl(FIONBIO)"
  28 #define ngx_blocking_n      "ioctl(!FIONBIO)"
  29
  30 #else
  31
  32 #define ngx_nonblocking(s)  fcntl(s, F_SETFL, fcntl(s, F_GETFL) | O_NONBLOCK)
  33 #define ngx_nonblocking_n   "fcntl(O_NONBLOCK)"
  34
  35 #define ngx_blocking(s)     fcntl(s, F_SETFL, fcntl(s, F_GETFL) & ~O_NONBLOCK)
  36 #define ngx_blocking_n      "fcntl(!O_NONBLOCK)"
  37
  38 #endif
  39
  40 int ngx_tcp_nopush(ngx_socket_t s);
  41 int ngx_tcp_push(ngx_socket_t s);
  42
  43 #if (NGX_LINUX)
  44
  45 #define ngx_tcp_nopush_n   "setsockopt(TCP_CORK)"
  46 #define ngx_tcp_push_n     "setsockopt(!TCP_CORK)"
  47
  48 #else
  49
  50 #define ngx_tcp_nopush_n   "setsockopt(TCP_NOPUSH)"
  51 #define ngx_tcp_push_n     "setsockopt(!TCP_NOPUSH)"
  52
  53 #endif
  54
  55
  56 #define ngx_shutdown_socket    shutdown
  57 #define ngx_shutdown_socket_n  "shutdown()"
  58
  59 #define ngx_close_socket    close
  60 #define ngx_close_socket_n  "close() socket"
  61
  62
  63 #endif /* _NGX_SOCKET_H_INCLUDED_ */