/**
* Sends termination signal to the controller's helper process
*
* @param cproc the handle to the controller's helper process
*/
void
GNUNET_TESTBED_controller_kill_ (struct GNUNET_TESTBED_ControllerProc *cproc)
{
if (NULL != cproc->shandle)
GNUNET_HELPER_send_cancel (cproc->shandle);
if (NULL != cproc->helper)
GNUNET_HELPER_kill (cproc->helper, GNUNET_YES);
}
/**
* Function that disables a speaker.
*
* @param cls closure with the `struct Speaker`
*/
static void
disable (void *cls)
{
struct Speaker *spe = cls;
if (NULL == spe->playback_helper)
{
GNUNET_break (0);
return;
}
GNUNET_break (GNUNET_OK ==
GNUNET_HELPER_kill (spe->playback_helper, GNUNET_NO));
GNUNET_HELPER_destroy (spe->playback_helper);
spe->playback_helper = NULL;
}
/**
* Function that disables a microphone.
*
* @param cls clsoure
*/
static void
disable (void *cls)
{
struct Microphone *mic = cls;
if (NULL == mic->record_helper)
{
GNUNET_break (0);
return;
}
GNUNET_break (GNUNET_OK ==
GNUNET_HELPER_kill (mic->record_helper, GNUNET_NO));
GNUNET_HELPER_destroy (mic->record_helper);
mic->record_helper = NULL;
}
/**
* Stop the helper process, we're closing down or had an error.
*
* @param h handle to the helper process
* @param soft_kill if #GNUNET_YES, signals termination by closing the helper's
* stdin; #GNUNET_NO to signal termination by sending SIGTERM to helper
*/
static void
stop_helper (struct GNUNET_HELPER_Handle *h,
int soft_kill)
{
if (NULL != h->restart_task)
{
GNUNET_SCHEDULER_cancel (h->restart_task);
h->restart_task = NULL;
}
else
{
GNUNET_break (GNUNET_OK == GNUNET_HELPER_kill (h, soft_kill));
GNUNET_break (GNUNET_OK == GNUNET_HELPER_wait (h));
}
}