void* TempoClock::Run()
{
//printf("->TempoClock::Run\n");
pthread_mutex_lock (&gLangMutex);
while (mRun) {
assert(mQueue->size);
//printf("tempo %g dur %g beats %g\n", mTempo, mBeatDur, mBeats);
//printf("wait until there is something in scheduler\n");
// wait until there is something in scheduler
while (mQueue->size == 1) {
//printf("wait until there is something in scheduler\n");
pthread_cond_wait (&mCondition, &gLangMutex);
//printf("mRun a %d\n", mRun);
if (!mRun) goto leave;
}
//printf("wait until an event is ready\n");
// wait until an event is ready
double elapsedBeats;
do {
elapsedBeats = ElapsedBeats();
if (elapsedBeats >= slotRawFloat(mQueue->slots)) break;
struct timespec abstime;
//doubleToTimespec(mQueue->slots->uf, &abstime);
//printf("event ready at %g . elapsed beats %g\n", mQueue->slots->uf, elapsedBeats);
double wakeTime = BeatsToSecs(slotRawFloat(mQueue->slots));
ElapsedTimeToTimespec(wakeTime, &abstime);
//printf("wait until an event is ready. wake %g now %g\n", wakeTime, elapsedTime());
pthread_cond_timedwait (&mCondition, &gLangMutex, &abstime);
//printf("mRun b %d\n", mRun);
if (!mRun) goto leave;
//printf("time diff %g\n", elapsedTime() - mQueue->slots->uf);
} while (mQueue->size > 1);
//printf("perform all events that are ready %d %.9f\n", mQueue->size, elapsedBeats);
// perform all events that are ready
//printf("perform all events that are ready\n");
while (mQueue->size > 1 && elapsedBeats >= slotRawFloat(mQueue->slots)) {
double delta;
PyrSlot task;
//printf("while %.6f >= %.6f\n", elapsedBeats, mQueue->slots->uf);
getheap(g, (PyrObject*)mQueue, &mBeats, &task);
if (isKindOfSlot(&task, class_thread)) {
SetNil(&slotRawThread(&task)->nextBeat);
}
slotCopy((++g->sp), &task);
SetFloat(++g->sp, mBeats);
SetFloat(++g->sp, BeatsToSecs(mBeats));
++g->sp; SetObject(g->sp, mTempoClockObj);
runAwakeMessage(g);
long err = slotDoubleVal(&g->result, &delta);
if (!err) {
// add delta time and reschedule
double beats = mBeats + delta;
Add(beats, &task);
}
}
}
leave:
//printf("<-TempoClock::Run\n");
pthread_mutex_unlock (&gLangMutex);
return 0;
}
void SC_TerminalClient::commandLoop()
{
bool haveNext = false;
struct timespec nextAbsTime;
lockSignal();
while( shouldBeRunning() )
{
while ( mSignals ) {
int sig = mSignals;
unlockSignal();
if (sig & sig_input) {
//postfl("input\n");
lockInput();
interpretInput();
// clear input signal, as we've processed anything signalled so far.
lockSignal();
mSignals &= ~sig_input;
unlockSignal();
unlockInput();
}
if (sig & sig_sched) {
//postfl("tick\n");
double secs;
lock();
haveNext = tickLocked( &secs );
// clear scheduler signal, as we've processed all items scheduled up to this time.
// and will enter the wait according to schedule.
lockSignal();
mSignals &= ~sig_sched;
unlockSignal();
unlock();
flush();
//postfl("tick -> next time = %f\n", haveNext ? secs : -1);
ElapsedTimeToTimespec( secs, &nextAbsTime );
}
if (sig & sig_stop) {
stopMain();
lockSignal();
mSignals &= ~sig_stop;
unlockSignal();
}
if (sig & sig_recompile) {
recompileLibrary();
lockSignal();
mSignals &= ~sig_recompile;
unlockSignal();
}
lockSignal();
}
if( !shouldBeRunning() ) {
break;
}
else if( haveNext ) {
int result = pthread_cond_timedwait( &mCond, &mSignalMutex, &nextAbsTime );
if( result == ETIMEDOUT ) mSignals |= sig_sched;
}
else {
pthread_cond_wait( &mCond, &mSignalMutex );
}
}
unlockSignal();
}
void* schedRunFunc(void* arg)
{
pthread_mutex_lock (&gLangMutex);
VMGlobals *g = gMainVMGlobals;
PyrObject* inQueue = slotRawObject(&g->process->sysSchedulerQueue);
//dumpObject(inQueue);
gRunSched = true;
while (true) {
assert(inQueue->size);
//postfl("wait until there is something in scheduler\n");
// wait until there is something in scheduler
while (inQueue->size == 1) {
//postfl("wait until there is something in scheduler\n");
pthread_cond_wait (&gSchedCond, &gLangMutex);
if (!gRunSched) goto leave;
}
//postfl("wait until an event is ready\n");
// wait until an event is ready
double elapsed;
do {
elapsed = elapsedTime();
if (elapsed >= slotRawFloat(inQueue->slots + 1)) break;
struct timespec abstime;
//doubleToTimespec(inQueue->slots->uf, &abstime);
ElapsedTimeToTimespec(slotRawFloat(inQueue->slots + 1), &abstime);
//postfl("wait until an event is ready\n");
pthread_cond_timedwait (&gSchedCond, &gLangMutex, &abstime);
if (!gRunSched) goto leave;
//postfl("time diff %g\n", elapsedTime() - inQueue->slots->uf);
} while (inQueue->size > 1);
//postfl("perform all events that are ready %d %.9f\n", inQueue->size, elapsed);
// perform all events that are ready
//postfl("perform all events that are ready\n");
while ((inQueue->size > 1) && elapsed >= slotRawFloat(inQueue->slots + 1)) {
double schedtime, delta;
PyrSlot task;
//postfl("while %.6f >= %.6f\n", elapsed, inQueue->slots->uf);
getheap(g, inQueue, &schedtime, &task);
if (isKindOfSlot(&task, class_thread)) {
SetNil(&slotRawThread(&task)->nextBeat);
}
slotCopy((++g->sp), &task);
SetFloat(++g->sp, schedtime);
SetFloat(++g->sp, schedtime);
++g->sp; SetObject(g->sp, s_systemclock->u.classobj);
runAwakeMessage(g);
long err = slotDoubleVal(&g->result, &delta);
if (!err) {
// add delta time and reschedule
double time = schedtime + delta;
schedAdd(g, inQueue, time, &task);
}
}
//postfl("loop\n");
}
//postfl("exitloop\n");
leave:
pthread_mutex_unlock (&gLangMutex);
return 0;
}
void SC_TerminalClient::commandLoop()
{
bool haveNext = false;
struct timespec nextAbsTime;
lockSignal();
while( shouldBeRunning() )
{
while ( mSignals ) {
int sig = mSignals;
mSignals = 0;
unlockSignal();
if (sig & sig_input) {
//postfl("input\n");
lockInput();
interpretInput();
unlockInput();
}
if (sig & sig_sched) {
//postfl("tick\n");
double secs;
lock();
haveNext = tickLocked( &secs );
unlock();
flush();
//postfl("tick -> next time = %f\n", haveNext ? secs : -1);
ElapsedTimeToTimespec( secs, &nextAbsTime );
}
if (sig & sig_stop) {
stopMain();
}
if (sig & sig_recompile) {
recompileLibrary();
}
lockSignal();
}
if( !shouldBeRunning() ) {
break;
}
else if( haveNext ) {
int result = pthread_cond_timedwait( &mCond, &mSignalMutex, &nextAbsTime );
if( result == ETIMEDOUT ) mSignals |= sig_sched;
}
else {
pthread_cond_wait( &mCond, &mSignalMutex );
}
}
unlockSignal();
}
