man comedi_unlock (Fonctions bibliothèques) - subdevice reservation
NAME
comedi_unlock - subdevice reservation
SYNOPSIS
#include <comedilib.h> int comedi_unlock (comedi_t * device, unsigned int subdevice);
DESCRIPTION
The function comedi_unlock() released a subdevice lock acquired by comedi_lock(). If sucessful, 0 is returned, otherwise -1.