コード例 #1
0
void CCONV CPhidget_free(void *arg)
{
	CPhidgetHandle phid = (CPhidgetHandle)arg;
	if (!phid)
		return;

	//Call device specific free function if it exists
	if(phid->fptrFree)
		phid->fptrFree(phid);

	//this is only malloc-ed on windows and linux, not wince or mac
#if (defined(_WINDOWS) && !defined(WINCE)) || defined(_LINUX)
	if (phid->CPhidgetFHandle) {
		CPhidgetFHandle_free(phid->CPhidgetFHandle); phid->CPhidgetFHandle = NULL;
	}
#endif

	CThread_mutex_destroy(&phid->lock);
	CThread_mutex_destroy(&phid->openCloseLock);
	CThread_mutex_destroy(&phid->writelock);
	CThread_mutex_destroy(&phid->outputLock);
	CThread_destroy_event(&phid->writeAvailableEvent);
	CThread_destroy_event(&phid->writtenEvent);

	free(phid); phid = NULL;
	return;
}
コード例 #2
0
ファイル: cphidgetmanager.c プロジェクト: wjvaandrager/ros
int CPhidgetDetachEvent(CPhidgetHandle phid) {
	int result = 0;
	CPhidgetList *trav = 0;
	CPhidgetManagerList *trav2 = 0;
	CPhidgetHandle travPhid = 0;
	TESTPTR(phid)
	CPhidget_clearStatusFlag(&phid->status, PHIDGET_ATTACHED_FLAG, NULL);
	CPhidget_setStatusFlag(&phid->status, PHIDGET_DETACHING_FLAG, NULL);
	for(trav2 = localPhidgetManagers; trav2; trav2 = trav2->next)
	{
		if (trav2->phidm->fptrDetachChange && trav2->phidm->state == PHIDGETMANAGER_ACTIVE)
			trav2->phidm->fptrDetachChange((CPhidgetHandle)phid, trav2->phidm->fptrDetachChangeptr);
	}
	CPhidget_clearStatusFlag(&phid->status, PHIDGET_DETACHING_FLAG, NULL);

	CThread_mutex_lock(&activeDevicesLock);
	for (trav=ActiveDevices; trav; trav = trav->next)
	{	
		if((CPhidget_areExtraEqual(phid, trav->phid) && CPhidget_statusFlagIsSet(trav->phid->status, PHIDGET_ATTACHED_FLAG)) 
			|| CPhidgetHandle_areEqual(phid, trav->phid))
		{
			CPhidget_setStatusFlag(&trav->phid->status, PHIDGET_DETACHING_FLAG, &trav->phid->lock);
			if(trav->phid->specificDevice == 2)
				trav->phid->specificDevice = 0;

			trav->phid->writeStopFlag = PTRUE;
			CThread_set_event(&trav->phid->writeAvailableEvent); //if it's waiting on this event - signal NOW

			result = CUSBCloseHandle(trav->phid);
			CThread_join(&trav->phid->writeThread);
			CThread_join(&trav->phid->readThread);

			//because trav can be freed during the detach call, don't use it in or after the call
			travPhid = trav->phid;
			CThread_mutex_unlock(&activeDevicesLock);
			if (travPhid->fptrDetach)
				travPhid->fptrDetach((CPhidgetHandle)travPhid, travPhid->fptrDetachptr);

			travPhid->deviceIDSpec = 0;

			CPhidgetFHandle_free(travPhid->CPhidgetFHandle);
			travPhid->CPhidgetFHandle = NULL;
			
			CPhidget_clearStatusFlag(&travPhid->status, PHIDGET_DETACHING_FLAG, &travPhid->lock);
			CPhidget_clearStatusFlag(&travPhid->status, PHIDGET_USB_ERROR_FLAG, &travPhid->lock);
			goto found_to_detach;
		}

	}
	CThread_mutex_unlock(&activeDevicesLock);

found_to_detach:
	result = CList_removeFromList((CListHandle *)&AttachedDevices, phid, CPhidget_areExtraEqual, TRUE, CPhidget_free);

	return result;
}