示例#1
0
void __rtai_shm_exit (void)
{
	extern int max_slots;
	int slot;
	struct rt_registry_entry entry;

#ifdef CONFIG_RTAI_MALLOC_VMALLOC
	rt_drg_on_name_cnt(GLOBAL_HEAP_ID);
#endif
	for (slot = 1; slot <= max_slots; slot++) {
		if (rt_get_registry_slot(slot, &entry)) {
			if (abs(entry.type) >= PAGE_SIZE) {
				char name[8];
				while (_rt_shm_free(entry.name, entry.type));
				num2nam(entry.name, name);
				rt_printk("\nSHM_CLEANUP_MODULE releases: '%s':0x%lx:%lu (%d).\n", name, entry.name, entry.name, entry.type);
			}
		}
	}
	reset_rt_fun_entries(rt_shm_entries);
	misc_deregister(&rtai_shm_dev);
#if USE_UDEV_CLASS
	class_device_destroy(shm_class, MKDEV(MISC_MAJOR, RTAI_SHM_MISC_MINOR));
	class_destroy(shm_class);
#endif
	return;
}
示例#2
0
/*
 * _shm_alloc allocs chunk from Fusion kheap or alloc a new heap
 */
void *_shm_alloc(unsigned long name, int size, int suprt, int in_kheap,
		 unsigned long *opaque)
{
	void *ret = NULL;
	xnholder_t *holder;
	xnshm_a_t *p;
	spl_t s;

	xnlock_get_irqsave(&nklock, s);

	holder = getheadq(&xnshm_allocq);

	while (holder != NULL) {
		p = link2shma(holder);

		if (p->name == name) {
			/* assert(size==p->size); */

			p->ref++;
			ret = p->chunk;
			*opaque = (unsigned long)p->heap;
			goto unlock_and_exit;
		}

		holder = nextq(&xnshm_allocq, holder);
	}

	if (in_kheap) {
		p = kalloc_new_shm(name, size);
	} else {
		/* create new heap can suspend */
		xnlock_put_irqrestore(&nklock, s);
		p = create_new_heap(name, size, suprt);
		xnlock_get_irqsave(&nklock, s);
	}
	if (!p)
		goto unlock_and_exit;

	*opaque = (unsigned long)p->heap;
	appendq(&xnshm_allocq, &p->link);

#ifdef CONFIG_XENO_OPT_REGISTRY
	{
		p->handle = 0;
		num2nam(p->name, p->szName);
		xnregistry_enter(p->szName, p, &p->handle, &__shm_pnode);
	}
#endif /* CONFIG_XENO_OPT_REGISTRY */

	ret = p->chunk;

      unlock_and_exit:

	xnlock_put_irqrestore(&nklock, s);

	return ret;
}
示例#3
0
        INTERNAL_QUAL int rtos_task_create(RTOS_TASK* task,
                                           int priority,
                                           const char* name,
                                           int sched_type,
                                           size_t stack_size,
                                           void * (*start_routine)(void *),
                                           ThreadInterface* obj)
        {
            char taskName[7];
            if ( strlen(name) == 0 )
                name = "Thread";
            strncpy(taskName, name, 7);
            unsigned long task_num = nam2num( taskName );
            if ( rt_get_adr(nam2num( taskName )) != 0 ) {
                unsigned long nname = nam2num( taskName );
                while ( rt_get_adr( nname ) != 0 ) // check for existing 'NAME'
                    ++nname;
                num2nam( nname, taskName); // set taskName to new name
                taskName[6] = 0;
                task_num = nname;
            }

            // Set and truncate name
            task->name = strcpy( (char*)malloc( (strlen(name)+1)*sizeof(char) ), name);
            // name, priority, stack_size, msg_size, policy, cpus_allowed ( 1111 = 4 first cpus)

            // Set priority
            task->priority = priority;

            // Set rtai task struct to zero
            task->rtaitask = 0;

            RTAI_Thread* rt = (RTAI_Thread*)malloc( sizeof(RTAI_Thread) );
            rt->priority = priority;
            rt->data = obj;
            rt->wrapper = start_routine;
            rt->task = task;
            rt->tnum = task_num;
            int retv = pthread_create(&(task->thread), 0,
                                  rtai_thread_wrapper, rt);
            // poll for thread creation to be done.
            int timeout = 0;
            while ( task->rtaitask == 0 && ++timeout < 20)
                usleep(100000);
            return timeout <  20 ? retv : -1;
        }
示例#4
0
void __rtai_shm_pkg_cleanup(void)
{
#if 0
	xnholder_t *holder;
	xnshm_a_t *p;
	char szName[6];

	// Garbage collector : to be added : lock problem 
	holder = getheadq(&xnshm_allocq);

	while (holder != NULL) {
		p = link2shma(holder);

		if (p) {
			num2nam(p->name, szName);
			printk
			    ("[RTAI -SHM] Cleanup of unfreed memory %s( %d ref.)\n",
			     szName, p->ref);
			if (p->heap == &kheap)
				xnheap_free(&kheap, p->chunk);
			else {
				/* FIXME: MUST release lock here.
				 */
#ifdef CONFIG_XENO_OPT_PERVASIVE
				xnheap_destroy_mapped(p->heap, NULL, NULL);
#else /* !CONFIG_XENO_OPT_PERVASIVE */
				xnheap_destroy(p->heap, &__heap_flush_private,
					       NULL);
#endif /* !CONFIG_XENO_OPT_PERVASIVE */
				xnheap_free(&kheap, p->heap);
			}
			removeq(&xnshm_allocq, &p->link);
			xnheap_free(&kheap, p);
		}

		holder = nextq(&xnshm_allocq, holder);
	}
#endif
}
示例#5
0
文件: rtmain.c 项目: ArcEye/RTAI
static void *rt_HostInterface(void *args)
{
	RT_TASK *task;
	unsigned int Request;
	int Reply, len;
	char nome[8];


	if (!(rt_HostInterfaceTask = rt_task_init_schmod(nam2num(HostInterfaceTaskName), rt_HostInterfaceTaskPriority, 0, 0, SCHED_RR, 0xFF))) {
		fprintf(stderr,"Cannot init rt_HostInterfaceTask.\n");
		return (void *)1;
	}

	sem_post(&err_sem);

	while (!endInterface) {
		task = rt_receive(0, &Request);
		num2nam(rt_get_name(task),nome);
		if (endInterface) break;
		switch (Request & 0xFF) {
			case 'c': {
						int i ,Idx, idx[2];
						rtTargetParamInfo rtParam;
						float samplingTime;
						int NPAR,i1,i2;
						mxp_t pardata;
						double value;


						strncpyz(rtParam.modelName, modelname, MAX_NAME_SIZE);
						rtParam.dataType  = 0;

						NPAR = mxp_getnvars();

						rt_return(task, (isRunning << 16) | ( NPAR & 0xFFFF ));
						rt_receivex(task, &Request, 1, &len);
						rt_returnx(task, &rtParam, sizeof(rtParam));

						for (i = 0; i < NPAR; i++) {
							sprintf(rtParam.blockName,"%s/%s",rtParam.modelName,"Tunable Parameters");
							mxp_getvarbyidx(i, &pardata);
							if ( pardata.ndim == 0 ){
								rt_receivex(task,&Request,1,&len);
								sprintf(rtParam.paramName, pardata.name);
								mxp_getparam(i,idx, &value);
								rtParam.dataValue[0] = value;
								rtParam.dataClass = rt_SCALAR;
								rtParam.nRows = 1;
								rtParam.nCols = 1;
								rt_returnx(task, &rtParam, sizeof(rtParam));
							}
							if ( pardata.ndim == 1 ){
								rt_receivex(task,&Request,1,&len);
								sprintf(rtParam.paramName, pardata.name);
								rtParam.dataClass = rt_VECTOR;
								rtParam.nRows = 1;
								rtParam.nCols = pardata.dim[0];
								for (i1 = 0; i1 < pardata.dim[0] ; i1++){
									idx[0] = i1;
									mxp_getparam(i,idx, &value);
									rtParam.dataValue[i1] = value;
								}
								rt_returnx(task, &rtParam, sizeof(rtParam));
							}
							if ( pardata.ndim == 2 ){
								rt_receivex(task,&Request,1,&len);
								sprintf(rtParam.paramName, pardata.name);
								rtParam.dataClass = rt_MATRIX_ROW_MAJOR;
								rtParam.nRows = pardata.dim[0];
								rtParam.nCols = pardata.dim[1];
								for (i1 = 0; i1 < pardata.dim[0] ; i1++){
									for (i2 = 0; i2 < pardata.dim[1] ; i2++){
										idx[0] = i1;
										idx[1] = i2;
										mxp_getparam(i,idx, &value);
										rtParam.dataValue[i1*rtParam.nCols+i2] = value;
									}
								}
								rt_returnx(task, &rtParam, sizeof(rtParam));
							}
							if (pardata.ndim > 2){
								fprintf(stderr,"MAX PARAMETER DIMESION = 2........\n");
							}
						}

						while (1) {
							rt_receivex(task, &Idx, sizeof(int), &len);
							if (Idx < 0) {
								rt_returnx(task, &Idx, sizeof(int));
								break;
							} else {
								rt_returnx(task, &rtaiScope[Idx].ntraces, sizeof(int));
								rt_receivex(task, &Idx, sizeof(int), &len);
								rt_returnx(task, rtaiScope[Idx].name, MAX_NAME_SIZE);
								rt_receivex(task, &Idx, sizeof(int), &len);
								samplingTime = get_tsamp();
								rt_returnx(task, &samplingTime, sizeof(float));
							}
						}
						while (1) {
							rt_receivex(task, &Idx, sizeof(int), &len);
							if (Idx < 0) {
								rt_returnx(task, &Idx, sizeof(int));
								break;
							} else {
								rt_returnx(task, &rtaiLogData[Idx].nrow, sizeof(int));
								rt_receivex(task, &Idx, sizeof(int), &len);
								rt_returnx(task, &rtaiLogData[Idx].ncol, sizeof(int));
								rt_receivex(task, &Idx, sizeof(int), &len);
								rt_returnx(task, rtaiLogData[Idx].name, MAX_NAME_SIZE);
								rt_receivex(task, &Idx, sizeof(int), &len);
								samplingTime = get_tsamp();
								rt_returnx(task, &samplingTime, sizeof(float));
							}
						}
						while (1) {
							rt_receivex(task, &Idx, sizeof(int), &len);
							if (Idx < 0) {
								rt_returnx(task, &Idx, sizeof(int));
								break;
							} else {
								rt_returnx(task, &rtaiALogData[Idx].nrow, sizeof(int));
								rt_receivex(task, &Idx, sizeof(int), &len);
								rt_returnx(task, &rtaiALogData[Idx].ncol, sizeof(int));
								rt_receivex(task, &Idx, sizeof(int), &len);
								rt_returnx(task, rtaiALogData[Idx].name, MAX_NAME_SIZE);
								rt_receivex(task, &Idx, sizeof(int), &len);
								samplingTime = get_tsamp();
								rt_returnx(task, &samplingTime, sizeof(float));
							}
						}
						while (1) {
							rt_receivex(task, &Idx, sizeof(int), &len);
							if (Idx < 0) {
								rt_returnx(task, &Idx, sizeof(int));
								break;
							} else {
								rt_returnx(task, &rtaiLed[Idx].nleds, sizeof(int));
								rt_receivex(task, &Idx, sizeof(int), &len);
								rt_returnx(task, rtaiLed[Idx].name, MAX_NAME_SIZE);
								rt_receivex(task, &Idx, sizeof(int), &len);
								samplingTime = get_tsamp();
								rt_returnx(task, &samplingTime, sizeof(float));
							}
						}
						while (1) {
							rt_receivex(task, &Idx, sizeof(int), &len);
							if (Idx < 0) {
								rt_returnx(task, &Idx, sizeof(int));
								break;
							} else {
								rt_returnx(task, rtaiMeter[Idx].name, MAX_NAME_SIZE);
								rt_receivex(task, &Idx, sizeof(int), &len);
								samplingTime = get_tsamp();
								rt_returnx(task, &samplingTime, sizeof(float));
							}
						}
						while (1) {
							rt_receivex(task, &Idx, sizeof(int), &len);
							if (Idx < 0) {
								rt_returnx(task, &Idx, sizeof(int));
								break;
							} else {
								rt_returnx(task, "", MAX_NAME_SIZE);
								rt_receivex(task, &Idx, sizeof(int), &len);
								samplingTime = get_tsamp();
								rt_returnx(task, &samplingTime, sizeof(float));
							}
						}
						break;
					}
			case 's': {
						rt_task_resume(rt_MainTask);
						rt_return(task, 1);
						break;
					}
			case 't': {
						endex = 1;
						rt_return(task, 0);
						break;
					}
			case 'p': {
						int index;
						double param;
						int mat_ind,Idx[2];
						mxp_t pardata;

						rt_return(task, isRunning);
						rt_receivex(task, &index, sizeof(int), &len);
						Reply = 0;
						rt_returnx(task, &Reply, sizeof(int));
						rt_receivex(task, &param, sizeof(double), &len);
						Reply = 1;
						rt_returnx(task, &Reply, sizeof(int));
						rt_receivex(task, &mat_ind, sizeof(int), &len);
						mxp_getvarbyidx(index, &pardata);
						if ( pardata.ndim == 1 ) Idx[0] = mat_ind;
						if ( pardata.ndim == 2 ){
								Idx[0] = mat_ind/pardata.dim[1];
								Idx[1] = mat_ind - Idx[0]*pardata.dim[1];
						}
						mxp_setparam(index, Idx, param);
						rt_returnx(task, &Reply, sizeof(int));
						break;
					}
			case 'g': {
						int i, idx[2], i1,i2;
						rtTargetParamInfo rtParam;
						int NPAR;
						mxp_t pardata;
						double value;

						strncpyz(rtParam.modelName, modelname, MAX_NAME_SIZE);
						rtParam.dataType  = 0;

						NPAR = mxp_getnvars();
						rt_return(task, isRunning);
						for (i = 0; i < NPAR; i++) {
							sprintf(rtParam.blockName,"%s/%s",rtParam.modelName,"Tunable Parameters");
							mxp_getvarbyidx(i, &pardata);
							if ( pardata.ndim == 0 ){
								rt_receivex(task,&Request,1,&len);
								sprintf(rtParam.paramName, pardata.name);
								mxp_getparam(i,idx, &value);
								rtParam.dataValue[0] = value;
								rtParam.dataClass = rt_SCALAR;
								rtParam.nRows = 1;
								rtParam.nCols = 1;
								rt_returnx(task, &rtParam, sizeof(rtParam));
							}
							if ( pardata.ndim == 1 ){
								rt_receivex(task,&Request,1,&len);
								sprintf(rtParam.paramName, pardata.name);
								rtParam.dataClass = rt_VECTOR;
								rtParam.nRows = 1;
								rtParam.nCols = pardata.dim[0];
								for (i1 = 0; i1 < pardata.dim[0] ; i1++){
									idx[0] = i1;
									mxp_getparam(i,idx, &value);
									rtParam.dataValue[i1] = value;
								}
								rt_returnx(task, &rtParam, sizeof(rtParam));
							}
							if ( pardata.ndim == 2 ){
								rt_receivex(task,&Request,1,&len);
								sprintf(rtParam.paramName, pardata.name);
								rtParam.dataClass = rt_MATRIX_ROW_MAJOR;
								rtParam.nRows = pardata.dim[0];
								rtParam.nCols = pardata.dim[1];
								for (i1 = 0; i1 < pardata.dim[0] ; i1++){
									for (i2 = 0; i2 < pardata.dim[1] ; i2++){
										idx[0] = i1;
										idx[1] = i2;
										mxp_getparam(i,idx, &value);
										rtParam.dataValue[i1*rtParam.nCols+i2] = value;
									}
								}
								rt_returnx(task, &rtParam, sizeof(rtParam));
							}
						}
						break;
					}
			case 'd': {
						int ParamCnt;
						int Idx[2];
						mxp_t pardata;

						rt_return(task, isRunning);
						rt_receivex(task, &ParamCnt, sizeof(int), &len);
						Reply = 0;
						rt_returnx(task, &Reply, sizeof(int));
						{
							struct {
									int index;
									int mat_ind;
									double value;
									} Params[ParamCnt];
							int i;

							rt_receivex(task, &Params, sizeof(Params), &len);
							for (i = 0; i < ParamCnt; i++) {
								mxp_getvarbyidx(Params[i].index, &pardata);
								if ( pardata.ndim == 1 ) Idx[0] = Params[i].mat_ind;
								if ( pardata.ndim == 2 ){
									Idx[0] = Params[i].mat_ind/pardata.dim[1];
									Idx[1] = Params[i].mat_ind - Idx[0]*pardata.dim[1];
								}
								mxp_setparam(Params[i].index, Idx, Params[i].value);
							}
						}
						Reply = 1;
						rt_returnx(task, &Reply, sizeof(int));
						break;
					}
			case 'm': {
						float time = SIM_TIME;
						rt_return(task, isRunning);
						rt_receivex(task, &Reply, sizeof(int), &len);
						rt_returnx(task, &time, sizeof(float));
						break;
					}
			case 'b': {
						rt_return(task, (unsigned int)rt_BaseRateTask);
						break;
					}
			default : {
						break;
					}
		}
	}
	rt_task_delete(rt_HostInterfaceTask);
	return 0;
}