ngx_read_channel 27 src/os/unix/ngx_channel.h ngx_int_t ngx_read_channel(ngx_socket_t s, ngx_channel_t *ch, size_t size, ngx_read_channel 1040 src/os/unix/ngx_process_cycle.c n = ngx_read_channel(c->fd, &ch, sizeof(ngx_channel_t), ev->log);