Function par_unlock

src/parallel.c:581–605

* \brief Release lock on Parallel Port * \param port * \return RIG_OK or < 0 */

 * \return RIG_OK or < 0
 */
int HAMLIB_API par_unlock(hamlib_port_t *port)
{
    rig_debug(RIG_DEBUG_VERBOSE, "%s called\n", __func__);

#ifdef HAVE_LINUX_PPDEV_H

    if (ioctl(port->fd, PPRELEASE) < 0)
    {
        rig_debug(RIG_DEBUG_ERR,
                  "%s: releasing device \"%s\": %s\n",
                  __func__,
                  port->pathname,
                  strerror(errno));
        return -RIG_EIO;
    }

    return RIG_OK;
#elif defined(HAVE_DEV_PPBUS_PPI_H)
    return RIG_OK;
#elif defined(__WIN64__) || defined(__WIN32__)
    return RIG_OK;
#else
    return -RIG_ENIMPL;
#endif
}


#ifndef PARPORT_CONTROL_STROBE