// Flow suspends or resumes the transmission or reception of data on
// the terminal associated with fd, depending on the value of the act
// argument. The act argument value must be one of: TCOOFF (suspend
// transmission), TCOON (resume transmission), TCIOFF (suspend
// reception by sending a STOP char), TCION (resume reception by
// sending a START char). See also tcflow(3).
func Flow(fd int, act int) error {
for {
r, err := C.tcflow(C.int(fd), C.int(act))
if r < 0 {
// This is most-likely not possible, but
// better be safe.
if err == syscall.EINTR {
continue
}
return err
}
return nil
}
}
// Flow suspends transmission of data to, or the reception of data from,
// the terminal referenced by fd, depending on the value of action.
func Flow(fd uintptr, action int) error {
//int tcflow(int, int);
_, rv := C.tcflow(C.int(fd), C.int(action))
return rv
}