static void DaoMT_Start( DaoProcess *proc, DaoValue *p[], int n )
{
DaoProcess *clone;
DaoVmCode *vmc, *end;
DaoVmCode *sect = DaoGetSectionCode( proc->activeCode );
DaoType *type = DaoProcess_GetReturnType( proc );
DaoFuture *future = DaoFuture_New( type, 0 );
int entry, nop = proc->activeCode[1].code == DVM_NOP;
DaoProcess_PutValue( proc, (DaoValue*) future );
if( sect == NULL || DaoMT_PushSectionFrame( proc ) == 0 ) return;
entry = proc->topFrame->entry;
end = proc->activeRoutine->body->vmCodes->data.codes + proc->activeCode[nop+1].b;
clone = DaoVmSpace_AcquireProcess( proc->vmSpace );
DaoProcess_PopFrame( proc );
DaoProcess_SetActiveFrame( proc, proc->topFrame );
DaoMT_InitProcess( proc, clone );
clone->topFrame->entry = entry;
/*
// Use the cloned process instead of the parent process, in case that
// the cloned process will not be joined by the parent process:
*/
clone->topFrame->outer = clone;
future->process = clone;
GC_IncRC( clone );
GC_ShiftRC( future, clone->future );
clone->future = future;
future->state = DAO_CALL_RUNNING;
for(vmc=sect; vmc!=end; vmc++){
int i = -1, code = vmc->code;
if( code == DVM_GETVH || (code >= DVM_GETVH_I && code <= DVM_GETVH_C) ){
i = vmc->b;
}else if( code == DVM_SETVH || (code >= DVM_SETVH_II && code <= DVM_SETVH_CC) ){
i = vmc->b;
}
if( i >= 0 ){
/* These values should be shared with the parent thread: */
GC_ShiftRC( proc->activeValues[i], clone->activeValues[i] );
clone->activeValues[i] = proc->activeValues[i];
}
}
DaoCallServer_AddTask( DaoMT_Start0, clone, p[0]->xEnum.value );
}
static void DaoMT_Start( DaoProcess *proc, DaoValue *p[], int n )
{
DaoProcess *clone;
DaoVmCode *vmc, *end, *sect;
DaoType *type = DaoProcess_GetReturnType( proc );
DaoFuture *future = DaoFuture_New( type, 0 );
int entry, nop = proc->activeCode[1].code == DVM_NOP;
DaoProcess_PutValue( proc, (DaoValue*) future );
sect = DaoProcess_InitCodeSection( proc, 0 );
if( sect == NULL ) return;
entry = proc->topFrame->entry;
end = proc->activeRoutine->body->vmCodes->data.codes + proc->activeCode[nop+1].b;
clone = DaoVmSpace_AcquireProcess( proc->vmSpace );
DaoProcess_PopFrame( proc );
DaoMT_InitProcess( proc, clone, 0 );
clone->topFrame->entry = entry;
/*
// Use the cloned process instead of the parent process, in case that
// the cloned process will not be joined by the parent process:
*/
clone->topFrame->outer = clone;
future->process = clone;
GC_IncRC( clone );
GC_Assign( & clone->future, future );
future->state = DAO_CALL_RUNNING;
for(vmc=sect; vmc!=end; vmc++){
int i = -1, code = vmc->code;
if( code == DVM_GETVH || (code >= DVM_GETVH_I && code <= DVM_GETVH_C) ){
i = vmc->b;
}else if( code == DVM_SETVH || (code >= DVM_SETVH_II && code <= DVM_SETVH_CC) ){
i = vmc->b;
}
if( i >= 0 ) DaoValue_Move( proc->activeValues[i], & clone->activeValues[i], NULL );
}
DaoCallServer_AddTask( DaoMT_Start0, clone, p[0]->xEnum.value ? clone : NULL );
}
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 );
}
