O_NONBLOCK 222 event/modules/ngx_rtsig_module.c if (fcntl(c->fd, F_SETFL, O_RDWR|O_NONBLOCK|O_ASYNC) == -1) { O_NONBLOCK 277 event/modules/ngx_rtsig_module.c if (fcntl(c->fd, F_SETFL, O_RDWR|O_NONBLOCK) == -1) { O_NONBLOCK 76 os/unix/ngx_files.h #define NGX_FILE_NONBLOCK O_NONBLOCK O_NONBLOCK 32 os/unix/ngx_socket.h #define ngx_nonblocking(s) fcntl(s, F_SETFL, fcntl(s, F_GETFL) | O_NONBLOCK) O_NONBLOCK 35 os/unix/ngx_socket.h #define ngx_blocking(s) fcntl(s, F_SETFL, fcntl(s, F_GETFL) & ~O_NONBLOCK)