release/src/router/nginx/src/os/unix/ngx_channel.h

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