void
TriggerStatusWA::updateTriggerStatusPerTable()
{
Int32 triggersPerStatement = getRootTdb()->getTriggersCount();
// robustness: triggers may be dropped and disappear from rfork
// and still this method can be called from fixup phase, which
// occurs prior to similarity check.
if (getCurrentNumEntries() == 0)
return;
ex_assert(triggersPerStatement <= MAX_TRIGGERS_PER_STATEMENT,
"Too many triggers in this statement");
TrgStatus status;
unsigned char mask;
unsigned char mask2;
// first time allocation of the TCB buffer from the executor heap
if (rootTcb_->getTriggerStatusVector() == NULL)
{
char * p = new (rootTcb_->getGlobals()->getDefaultHeap())
char[TRIGGERS_STATUS_VECTOR_SIZE];
rootTcb_->setTriggerStatusVector(p);
// initialize to disabled
memset(p, 0, TRIGGERS_STATUS_VECTOR_SIZE);
}
char* tcbBuffer = rootTcb_->getTriggerStatusVector();
// for all triggers in the statement
for (Int32 i = 0; i < triggersPerStatement; i++)
{
status = getStatus(getRootTdb()->getTriggersList()[i]);
UInt32 byteOffset = i / 8;
UInt32 withinByte = i % 8;
mask = 0x80; // 128 (single 1 in MSB of byte)
mask2 = 0xFF;
switch (status)
{
// enabled
case ENABLED:
// set the appropriate bit in the mask
mask >>= withinByte;
tcbBuffer[byteOffset] |= mask;
totalTriggersCount_++;
break;
// disabled
case DISABLED:
// unset the appropriate bit in the mask
mask >>= withinByte;
mask ^= mask2;
tcbBuffer[byteOffset] &= mask;
// just count the found trigger
totalTriggersCount_++;
break;
// not found in this array of this table
case NOT_FOUND:
break;
default:
ex_assert(0, "Illegal status of a trigger");
break;
}
}
#ifdef _DEBUG
if (getenv("SHOW_ENABLE"))
{
cout << "\nTcb Buffer:\n";
bitDisplay(tcbBuffer, (getRootTdb()->getTriggersCount() / 8 + 1));
cout << endl;
}
#endif //_DEBUG
}
void Led2x7bit::display(int value) {
bitDisplay((value & 0x0f), charFirst);
bitDisplay((value & 0xf0) >> 4, charLast);
}
