nginx/src/os/unix/ngx_channel.h

   1
   2 /*
   3  * Copyright (C) Igor Sysoev
   4  */
   5
   6
   7 #ifndef _NGX_CHANNEL_H_INCLUDED_
   8 #define _NGX_CHANNEL_H_INCLUDED_
   9
  10
  11 #include <ngx_config.h>
  12 #include <ngx_core.h>
  13 #include <ngx_event.h>
  14
  15
  16 typedef struct {
  17      ngx_uint_t  command;
  18      ngx_pid_t   pid;
  19      ngx_int_t   slot;
  20      ngx_fd_t    fd;
  21 } ngx_channel_t;
  22
  23
  24 ngx_int_t ngx_write_channel(ngx_socket_t s, ngx_channel_t *ch, size_t size,
  25     ngx_log_t *log);
  26 ngx_int_t ngx_read_channel(ngx_socket_t s, ngx_channel_t *ch, size_t size,
  27     ngx_log_t *log);
  28 ngx_int_t ngx_add_channel_event(ngx_cycle_t *cycle, ngx_fd_t fd,
  29     ngx_int_t event, ngx_event_handler_pt handler);
  30 void ngx_close_channel(ngx_fd_t *fd, ngx_log_t *log);
  31
  32
  33 #endif /* _NGX_CHANNEL_H_INCLUDED_ */