Exemplo n.º 1
0
static void DaoMT_Functional( DaoProcess *proc, DaoValue *P[], int N, int F )
{
	DMutex mutex;
	DCondVar condv;
	DaoTaskData *tasks;
	DaoValue *param = P[0];
	DaoValue *result = NULL;
	DaoList *list = NULL;
	DaoArray *array = NULL;
	DaoVmCode *sect = DaoGetSectionCode( proc->activeCode );
	int i, entry, threads = P[1]->xInteger.value;
	daoint index = -1, status = 0, joined = 0;
	DNode *node = NULL;

	switch( F ){
	case DVM_FUNCT_MAP :
		if( param->type == DAO_ARRAY ){
			array = DaoProcess_PutArray( proc );
			result = (DaoValue*) array;
		}else{
			list = DaoProcess_PutList( proc );
			result = (DaoValue*) list;
		}
		break;
	case DVM_FUNCT_APPLY : DaoProcess_PutValue( proc, param ); break;
	case DVM_FUNCT_FIND : DaoProcess_PutValue( proc, dao_none_value ); break;
	}
	if( threads <= 0 ) threads = 2;
	if( sect == NULL || DaoMT_PushSectionFrame( proc ) == 0 ) return;
	if( list ){
		DArray_Clear( & list->items );
		if( param->type == DAO_LIST ) DArray_Resize( & list->items, param->xList.items.size, NULL );
		if( param->type == DAO_MAP ) DArray_Resize( & list->items, param->xMap.items->size, NULL );
#ifdef DAO_WITH_NUMARRAY
	}else if( array && F == DVM_FUNCT_MAP ){
		DaoArray_GetSliceShape( (DaoArray*) param, & array->dims, & array->ndim );
		DaoArray_ResizeArray( array, array->dims, array->ndim );
#endif
	}

	DMutex_Init( & mutex );
	DCondVar_Init( & condv );
	entry = proc->topFrame->entry;
	tasks = (DaoTaskData*) dao_calloc( threads, sizeof(DaoTaskData) );
	DaoProcess_PopFrame( proc );
	for(i=0; i<threads; i++){
		DaoTaskData *task = tasks + i;
		task->param = param;
		task->result = result;
		task->proto = proc;
		task->sect = sect;
		task->funct = F;
		task->entry = entry;
		task->first = i;
		task->step = threads;
		task->index = & index;
		task->node = & node;
		task->joined = & joined;
		task->condv = & condv;
		task->mutex = & mutex;
		task->clone = DaoVmSpace_AcquireProcess( proc->vmSpace );
		task->clone->mutex = & mutex;
		if( i ) DaoCallServer_AddTask( DaoMT_RunFunctional, task, 1 );
	}
	DaoMT_RunFunctional( tasks );

	DMutex_Lock( & mutex );
	while( joined < threads ) DCondVar_TimedWait( & condv, & mutex, 0.01 );
	DMutex_Unlock( & mutex );

	for(i=0; i<threads; i++){
		DaoTaskData *task = tasks + i;
		DaoVmSpace_ReleaseProcess( proc->vmSpace, task->clone );
		status |= task->status;
	}
	if( F == DVM_FUNCT_FIND ){
		DaoTuple *tuple = DaoProcess_PutTuple( proc, 0 );
		if( param->type == DAO_LIST && index != -1 ){
			DaoValue **items = param->xList.items.items.pValue;
			GC_ShiftRC( items[index], tuple->items[1] );
			tuple->items[1] = items[index];
			tuple->items[0]->xInteger.value = index;
		}else if( param->type == DAO_MAP && node ){
			GC_ShiftRC( node->key.pValue, tuple->items[0] );
			GC_ShiftRC( node->value.pValue, tuple->items[1] );
			tuple->items[0] = node->key.pValue;
			tuple->items[1] = node->value.pValue;
		}
	}
	if( status ) DaoProcess_RaiseException( proc, DAO_ERROR, "code section execution failed!" );
	DMutex_Destroy( & mutex );
	DCondVar_Destroy( & condv );
	dao_free( tasks );
}
Exemplo n.º 2
0
static void DaoCallThread_Run( DaoCallThread *self )
{
	DaoCallServer *server = daoCallServer;
	double wt = 0.001;
	daoint i, timeout;

	self->thdData = DThread_GetSpecific();
	if( self->taskFunc ) self->taskFunc( self->taskParam );
	while(1){
		DaoProcess *process = NULL;
		DaoFuture *future = NULL;
		DThreadTask function = NULL;
		void *parameter = NULL;

		self->thdData->state = 0;
		DMutex_Lock( & server->mutex );
		server->idle += 1;
		while( server->pending->size == (server->events2->size + server->waitings->size) ){
			//printf( "%p %i %i %i %i\n", self, server->events->size, server->pending->size, server->events2->size, server->waitings->size );
			if( server->finishing && server->idle == server->total ){
				if( (server->events2->size + server->waitings->size) == 0 ) break;
			}
			timeout = DCondVar_TimedWait( & server->condv, & server->mutex, wt );
		}
		for(i=0; i<server->parameters->size; ++i){
			void *param = server->parameters->items.pVoid[i];
			if( DMap_Find( server->active, param ) ) continue;
			DMap_Insert( server->active, param, NULL );
			function = (DThreadTask) server->functions->items.pVoid[i];
			parameter = param;
			DArray_Erase( server->functions, i, 1 );
			DArray_Erase( server->parameters, i, 1 );
			DMap_Erase( server->pending, parameter );
			server->idle -= 1;
			break;
		}
		DMutex_Unlock( & server->mutex );

		if( function ){
			(*function)( parameter );
			DMutex_Lock( & server->mutex );
			DMap_Erase( server->active, parameter );
			DMutex_Unlock( & server->mutex );
			continue;
		}

		if( server->pending->size == 0 && server->finishing && server->idle == server->total ) break;

		DMutex_Lock( & server->mutex );
		server->idle -= 1;
		future = DaoCallServer_GetNextFuture();
		DMutex_Unlock( & server->mutex );

		if( future == NULL ) continue;

		process = future->process;
		if( process == NULL ){
			GC_DecRC( future );
			continue;
		}

		if( process->pauseType == DAO_PAUSE_NATIVE_THREAD ){
			DMutex_Lock( & server->mutex );
			process->pauseType = 0;
			/* TODO: demo/concurrent/future.dao */
			if( process->condv ) DCondVar_Signal( process->condv );
			DMutex_Unlock( & server->mutex );
		}else{
			int count = process->exceptions->size;
			future->state = DAO_CALL_RUNNING;
			DaoProcess_InterceptReturnValue( process );
			DaoProcess_Execute( process );
			if( process->exceptions->size > count ) DaoProcess_PrintException( process, 1 );
		}

		if( future->actor ){
			DMutex_Lock( & server->mutex );
			DMap_Erase( server->active, future->actor->rootObject );
			DMutex_Unlock( & server->mutex );
		}
		DMutex_Lock( & server->mutex );
		DMap_Erase( server->active, process );
		DMutex_Unlock( & server->mutex );

		DaoProcess_ReturnFutureValue( process, future );
		if( future->state == DAO_CALL_FINISHED ) DaoFuture_ActivateEvent( future );
		GC_DecRC( future );
	}
	DMutex_Lock( & server->mutex );
	server->stopped += 1;
	DMutex_Unlock( & server->mutex );
}
Exemplo n.º 3
0
void DaoMutex_Unlock( DaoMutex *self )
{
	DMutex_Unlock( & self->myMutex );
}
Exemplo n.º 4
0
static void DaoCallThread_Run( DaoCallThread *self )
{
	DaoCallServer *server = daoCallServer;
	double wt = 0.001;
	daoint i, count, timeout;

	self->thdData = DThread_GetSpecific();
	if( self->taskFunc ) self->taskFunc( self->taskParam );
	while( server->vmspace->stopit == 0 ){
		DaoProcess *process = NULL;
		DaoFuture *future = NULL;
		DThreadTask function = NULL;
		void *parameter = NULL;

		if( self->thdData != NULL ) self->thdData->state = 0;
		DMutex_Lock( & server->mutex );
		server->idle += 1;
		while( server->pending->size == (server->events2->size + server->waitings->size) ){
			//printf( "%p %i %i %i %i\n", self, server->events->size, server->pending->size, server->events2->size, server->waitings->size );
			if( server->vmspace->stopit ) break;
			if( server->finishing && server->idle == server->total ){
				if( (server->events2->size + server->waitings->size) == 0 ) break;
			}
			wt = 0.01*(server->idle == server->total) + 0.001;
			timeout = DCondVar_TimedWait( & server->condv, & server->mutex, wt );
		}
		for(i=0; i<server->parameters->size; ++i){
			void *param = server->parameters->items.pVoid[i];
			if( DMap_Find( server->active, param ) ) continue;
			DMap_Insert( server->active, param, NULL );
			function = (DThreadTask) server->functions->items.pVoid[i];
			parameter = param;
			DList_Erase( server->functions, i, 1 );
			DList_Erase( server->parameters, i, 1 );
			DMap_Erase( server->pending, parameter );
			server->idle -= 1;
			break;
		}
		DMutex_Unlock( & server->mutex );

		if( server->vmspace->stopit ) break;
		if( function ){
			(*function)( parameter );
			DMutex_Lock( & server->mutex );
			DMap_Erase( server->active, parameter );
			DMutex_Unlock( & server->mutex );
			continue;
		}

		if( server->pending->size == 0 && server->finishing && server->idle == server->total ) break;

		DMutex_Lock( & server->mutex );
		server->idle -= 1;
		future = DaoCallServer_GetNextFuture();
		DMutex_Unlock( & server->mutex );

		if( future == NULL ) continue;

		process = future->process;
		if( process == NULL ){
			GC_DecRC( future );
			continue;
		}

		count = process->exceptions->size;
		future->state = DAO_CALL_RUNNING;
		DaoProcess_InterceptReturnValue( process );
		DaoProcess_Start( process );
		if( process->exceptions->size > count ) DaoProcess_PrintException( process, NULL, 1 );

		if( future->actor ){
			int erase = 1;
			DMutex_Lock( & server->mutex );
			if( future->actor->rootObject->isAsync ){
				erase = process->status == DAO_PROCESS_FINISHED;
			}
			if( erase ) DMap_Erase( server->active, future->actor->rootObject );
			DMutex_Unlock( & server->mutex );
		}
		DMutex_Lock( & server->mutex );
		DMap_Erase( server->active, process );
		process->active = 0;
		DMutex_Unlock( & server->mutex );

		DaoProcess_ReturnFutureValue( process, future );
		if( future->state == DAO_CALL_FINISHED ) DaoFuture_ActivateEvent( future );
		GC_DecRC( future );
	}
	DMutex_Lock( & server->mutex );
	server->stopped += 1;
	DMutex_Unlock( & server->mutex );
}