Ejemplo n.º 1
0
// Getall retrieves the values of all the semaphores in the set
func (ss *SemaphoreSet) Getall() ([]uint16, error) {
	carr := make([]C.ushort, ss.count)

	rc, err := C.semctl_arr(C.int(ss.id), C.GETALL, &carr[0])
	if rc == -1 {
		return nil, err
	}

	results := make([]uint16, ss.count)
	for i, ci := range carr {
		results[i] = uint16(ci)
	}
	return results, nil
}
Ejemplo n.º 2
0
// Setall sets the values of every semaphore in the set
func (ss *SemaphoreSet) Setall(values []uint16) error {
	if uint(len(values)) != ss.count {
		return errors.New("sysvipc: wrong number of values for Setall")
	}

	carr := make([]C.ushort, ss.count)
	for i, val := range values {
		carr[i] = C.ushort(val)
	}

	rc, err := C.semctl_arr(C.int(ss.id), C.SETALL, &carr[0])
	if rc == -1 {
		return err
	}
	return nil
}