F_GETFL 484 os/unix/ngx_files.c flags = fcntl(fd, F_GETFL); F_GETFL 499 os/unix/ngx_files.c flags = fcntl(fd, F_GETFL); F_GETFL 32 os/unix/ngx_socket.h #define ngx_nonblocking(s) fcntl(s, F_SETFL, fcntl(s, F_GETFL) | O_NONBLOCK) F_GETFL 35 os/unix/ngx_socket.h #define ngx_blocking(s) fcntl(s, F_SETFL, fcntl(s, F_GETFL) & ~O_NONBLOCK)