static void DaoCallServer_AddThread( DThreadTask func, void *param )
{
DaoCallThread *calth;
DaoCallServer_TryInit( mainVmSpace );
calth = DaoCallThread_New( func, param );
DMutex_Lock( & daoCallServer->mutex );
daoCallServer->total += 1;
DArray_Append( daoCallServer->threads, calth );
DMutex_Unlock( & daoCallServer->mutex );
DThread_Start( & calth->thread, (DThreadTask) DaoCallThread_Run, calth );
}
void DaoCallServer_AddWait( DaoProcess *wait, DaoFuture *pre, double timeout )
{
DaoTaskEvent *event;
DaoCallServer *server = DaoCallServer_TryInit( mainVmSpace );;
DaoFuture *future = DaoProcess_GetInitFuture( wait );
GC_Assign( & future->precond, pre );
future->state = DAO_CALL_PAUSED;
event = DaoCallServer_MakeEvent();
DaoTaskEvent_Init( event, DAO_EVENT_WAIT_TASKLET, DAO_EVENT_WAIT, future, NULL );
DaoCallServer_AddTimedWait( wait, event, timeout );
}
void DaoCallServer_AddThread( DThreadTask func, void *param )
{
DaoCallThread *calth;
DaoCallServer_TryInit( mainVmSpace );
calth = DaoCallThread_New( func, param );
DMutex_Lock( & daoCallServer->mutex );
daoCallServer->total += 1;
DList_Append( daoCallServer->threads, calth );
DMutex_Unlock( & daoCallServer->mutex );
if( DThread_Start( & calth->thread, (DThreadTask) DaoCallThread_Run, calth ) == 0 ){
if( func != NULL || daoCallServer->total == 0 ){
dao_abort( "failed to create a task thread" );
}
}
}
static void CHANNEL_New( DaoProcess *proc, DaoValue *par[], int N )
{
DaoType *retype = DaoProcess_GetReturnType( proc );
DaoChannel *self = DaoChannel_New( retype, 0 );
CHANNEL_SetCap( self, par[0], proc );
if( DaoType_CheckPrimitiveType( retype->nested->items.pType[0] ) == 0 ){
DString *s = DString_New();
DString_AppendChars( s, "data type " );
DString_Append( s, retype->nested->items.pType[0]->name );
DString_AppendChars( s, " is not supported for channel" );
DaoProcess_RaiseError( proc, NULL, s->chars );
DString_Delete( s );
}
DaoProcess_PutValue( proc, (DaoValue*) self );
DaoCallServer_TryInit( mainVmSpace );
}
void DaoCallServer_AddTask( DThreadTask func, void *param, int now )
{
int scheduled = 0;
DaoCallServer *server = DaoCallServer_TryInit( mainVmSpace );
DMutex_Lock( & server->mutex );
if( server->idle > server->parameters->size || now == 0 ){
scheduled = 1;
DList_Append( server->functions, func );
DList_Append( server->parameters, param );
DMap_Insert( server->pending, param, NULL );
DCondVar_Signal( & server->condv );
}
DMutex_Unlock( & server->mutex );
if( scheduled ){
if( now == 0 ) DaoCallServer_TryAddThread( NULL, NULL, server->parameters->size );
}else{
DaoCallServer_AddThread( func, param );
}
}
void DaoCallServer_AddCall( DaoProcess *caller )
{
DaoTaskEvent *event;
DaoProcess *callee = DaoVmSpace_AcquireProcess( caller->vmSpace );
DaoStackFrame *frame = caller->topFrame;
DaoType *type = (DaoType*) frame->routine->routType->aux;
DaoFuture *future = DaoFuture_New( type, 1 );
DaoValue **params = caller->stackValues + caller->topFrame->stackBase;
int i, count = caller->topFrame->parCount;
future->state = DAO_CALL_PAUSED;
future->actor = caller->topFrame->object;
GC_IncRC( future->actor );
GC_ShiftRC( future, callee->future );
callee->future = future;
future->process = callee;
GC_IncRC( future->process );
callee->parCount = count;
for(i=0; i<count; ++i) DaoValue_Copy( params[i], & callee->paramValues[i] );
if( caller->topFrame->routine->body ){
DaoProcess_PushRoutine( callee, caller->topFrame->routine, future->actor );
}else{
DaoProcess_PushFunction( callee, caller->topFrame->routine );
}
DaoCallServer_TryInit( mainVmSpace );;
event = DaoCallServer_MakeEvent();
DaoTaskEvent_Init( event, DAO_EVENT_RESUME_TASKLET, DAO_EVENT_RESUME, future, NULL );
DaoProcess_PopFrame( caller );
DaoProcess_PutValue( caller, (DaoValue*) future );
DaoCallServer_Add( event );
}
void DaoCallServer_AddCall( DaoProcess *caller )
{
DaoFuture *future;
DaoTaskEvent *event;
DaoProcess *callee = DaoVmSpace_AcquireProcess( caller->vmSpace );
DaoStackFrame *frame = caller->topFrame;
DaoRoutine *routine = frame->routine;
DaoType *type = (DaoType*) routine->routType->aux;
DaoValue **params = caller->stackValues + caller->topFrame->stackBase;
int i, count = caller->topFrame->parCount;
if( caller->activeCode->b & DAO_CALL_BLOCK ){
DaoValue **calleeValues, **callerValues = caller->activeValues;
DaoStackFrame *sectFrame = DaoProcess_FindSectionFrame( caller );
DaoStackFrame *callerFrame = caller->topFrame->prev;
DaoVmCode *vmc, *end, *sect;
if( sectFrame != callerFrame ){
DaoVmSpace_ReleaseProcess( caller->vmSpace, callee );
DaoProcess_RaiseError( caller, NULL, "Invalid code section" );
return;
}
if( routine->body ){
DaoProcess_PushRoutine( callee, callerFrame->routine, callerFrame->object );
callerValues = caller->stackValues + callerFrame->stackBase;
}else{
DaoProcess_PushRoutine( callee, caller->activeRoutine, caller->activeObject );
}
DaoProcess_SetActiveFrame( callee, callee->topFrame );
calleeValues = callee->stackValues + callee->topFrame->stackBase;
callee->activeCode = caller->activeCode;
vmc = callerFrame->routine->body->vmCodes->data.codes + callerFrame->entry;
end = callerFrame->routine->body->vmCodes->data.codes + vmc->b;
sect = vmc + 1;
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( callerValues[i], & calleeValues[i], NULL );
}
}
future = DaoFuture_New( type, 1 );
future->state = DAO_CALL_PAUSED;
future->actor = caller->topFrame->object;
GC_IncRC( future->actor );
GC_Assign( & future->process, callee );
GC_Assign( & callee->future, future );
callee->parCount = count;
/* Use routine->parCount instead of caller->topFrame->parCount, for default parameters: */
for(i=0; i<routine->parCount; ++i) DaoValue_Copy( params[i], & callee->paramValues[i] );
if( routine->body ){
DaoProcess_PushRoutine( callee, routine, future->actor );
}else{
DaoProcess_PushFunction( callee, routine );
callee->activeNamespace = caller->activeNamespace;
}
if( caller->activeCode->b & DAO_CALL_BLOCK ){
callee->topFrame->host = callee->topFrame;
callee->topFrame->retmode = DVM_RET_PROCESS;
callee->topFrame->returning = 0;
}
#ifdef DAO_WITH_CONCURRENT
DaoCallServer_TryInit( mainVmSpace );
event = DaoCallServer_MakeEvent();
DaoTaskEvent_Init( event, DAO_EVENT_RESUME_TASKLET, DAO_EVENT_RESUME, future, NULL );
DaoProcess_PopFrame( caller );
DaoProcess_PutValue( caller, (DaoValue*) future );
DaoCallServer_Add( event );
#else
DaoProcess_PopFrame( caller );
DaoProcess_PutValue( caller, (DaoValue*) future );
DaoProcess_InterceptReturnValue( callee );
DaoProcess_Execute( callee );
DaoProcess_ReturnFutureValue( callee, future );
DaoVmSpace_ReleaseProcess( caller->vmSpace, callee );
#endif
}
int DaoCallServer_GetThreadCount()
{
DaoCallServer_TryInit( mainVmSpace );
return daoCallServer->total;
}
