O_NONBLOCK 169 usr/server/fs/fifofs/fifo_vnops.c if (flags & O_NONBLOCK) { O_NONBLOCK 176 usr/server/fs/fifofs/fifo_vnops.c if (flags & O_NONBLOCK) { O_NONBLOCK 780 usr/server/fs/vfs/main.c if ((error = sys_open(path, O_RDONLY | O_NONBLOCK, 0, &rfp)) != 0) { O_NONBLOCK 783 usr/server/fs/vfs/main.c if ((error = sys_open(path, O_WRONLY | O_NONBLOCK, 0, &wfp)) != 0) {