...s available only for terminals, pseudoterminals, sockets, and (since Linux 2.6) pipes and FIFOs. See fcntl (2) for further details. See also BUGS, below. O_CLOEXEC (since Linux …...s available only for terminals, pseudoterminals, sockets, and (since Linux 2.6) pipes and FIFOs. See fcntl (2) for further details. See also BUGS, below. O_CLOEXEC (since Linux …...s available only for terminals, pseudoterminals, sockets, and (since Linux 2.6) pipes and FIFOs. See fcntl (2) for further details. See also BUGS, below. O_CLOEXEC (since Linux …...ed with the scheduling algorithm identified by policy . Supported policy values are SCHED_FIFO , SCHED_RR , SCHED_OTHER , SCHED_BATCH , SCHED_IDLE , and SCHED_DEADLINE . Further…...ed with the scheduling algorithm identified by policy . Supported policy values are SCHED_FIFO , SCHED_RR , SCHED_OTHER , SCHED_BATCH , SCHED_IDLE , and SCHED_DEADLINE . Further…...ode are ( mode & ~ umask ). The file type must be one of S_IFREG , S_IFCHR , S_IFBLK , S_IFIFO , or S_IFSOCK to specify a regular file (which will be created empty), character s…...ode are ( mode & ~ umask ). The file type must be one of S_IFREG , S_IFCHR , S_IFBLK , S_IFIFO , or S_IFSOCK to specify a regular file (which will be created empty), character s…...This is a block device. DT_CHR This is a character device. DT_DIR This is a directory. DT_FIFO This is a named pipe (FIFO). DT_LNK This is a symbolic link. DT_REG This is a regu…...This is a block device. DT_CHR This is a character device. DT_DIR This is a directory. DT_FIFO This is a named pipe (FIFO). DT_LNK This is a symbolic link. DT_REG This is a regu…...oses the file descriptor. Suppose we run the program in one terminal, asking it to open a FIFO: $ mkfifo myfifo $ ./poll_input myfifo In a second terminal window, we then open t…...oses the file descriptor. Suppose we run the program in one terminal, asking it to open a FIFO: $ mkfifo myfifo $ ./poll_input myfifo In a second terminal window, we then open t…...AVEATS sched_yield () is intended for use with real-time scheduling policies (i.e., SCHED_FIFO or SCHED_RR ). Use of sched_yield () with nondeterministic scheduling policies suc…...olicies, see sched (7). The real-time policies that may be specified in policy are: SCHED_FIFO a first-in, first-out policy; and SCHED_RR a round-robin policy. Linux also provid…...olicies, see sched (7). The real-time policies that may be specified in policy are: SCHED_FIFO a first-in, first-out policy; and SCHED_RR a round-robin policy. Linux also provid…...ilesystem. ENODEV fd does not refer to a regular file or a directory. (If fd is a pipe or FIFO, a different error results.) ENOSPC There is not enough space left on the device c…...exhausted while synchronizing. EROFS EINVAL fd is bound to a special file (e.g., a pipe, FIFO, or socket) which does not support synchronization. ENOSPC EDQUOT fd is bound to a …...exhausted while synchronizing. EROFS EINVAL fd is bound to a special file (e.g., a pipe, FIFO, or socket) which does not support synchronization. ENOSPC EDQUOT fd is bound to a …...olicies, see sched (7). The real-time policies that may be specified in policy are: SCHED_FIFO a first-in, first-out policy; and SCHED_RR a round-robin policy. For each of the a…...olicies, see sched (7). The real-time policies that may be specified in policy are: SCHED_FIFO a first-in, first-out policy; and SCHED_RR a round-robin policy. For each of the a…...osecond precision when called from a thread scheduled under a real-time policy like SCHED_FIFO or SCHED_RR . This special extension was removed in Linux 2.5.39, and is thus not …