DragonFly On-Line Manual Pages

ndelay_on(3)          DragonFly Library Functions Manual          ndelay_on(3)

NAME
       ndelay_on - put file descriptor in non-blocking mode

SYNTAX
       #include <ndelay.h>

       extern int ndelay_on(int fd);

DESCRIPTION
       ndelay_on puts a file descriptor in non-blocking mode.  Reading from
       and writing to non-blocking network sockets, FIFOs or device files will
       return immediately, even if not as many bytes have been processed as
       were specified.

       If an error occurred, ndelay_on will return nonzero and set errno
       accordingly.

SEE ALSO
       fcntl(2), ndelay_off(3)

                                                                  ndelay_on(3)