public void enqueueData(object data_val)
{
//this->debug(false, "enqueueData", (char*)data_val);
/* queue is too big */
if ((this.MaxQueueLength != 0) && (this.QueueLength > this.MaxQueueLength))
{
//phwangFree(data_val, "QueueClass::enqueueData");
//this->abend("enqueueData", "queue full");
return;
}
QueueEntryClass entry = new QueueEntryClass();
if (entry == null)
{
//this->abend("enqueueData", "fail to create new QueueEntryClass");
return;
}
entry.data = data_val;
this.AbendQueue("enqueueData begin");
lock (this.Lock)
{
this.EnqueueEntry(entry);
}
this.AbendQueue("enqueueData end");
//if (this->theSuspendObject)
{
//this->theSuspendObject->signal();
}
}
private QueueEntryClass dequeueEntry()
{
QueueEntryClass entry;
if (this.QueueLength == 0)
{
//this->abend("dequeueEntry", "theQueueSize == 0");
return(null);
}
if (this.QueueLength == 1)
{
entry = this.QueueHead;
this.QueueHead = this.QueueTail = null;
this.QueueLength = 0;
return(entry);
}
entry = this.QueueHead;
this.QueueHead = this.QueueHead.next;
this.QueueHead.prev = null;
this.QueueLength--;
return(entry);
}
private void EnqueueEntry(QueueEntryClass entry)
{
if (this.QueueHead == null)
{
entry.next = null;
entry.prev = null;
this.QueueHead = entry;
this.QueueTail = entry;
this.QueueLength = 1;
}
else
{
entry.next = null;
entry.prev = this.QueueTail;
this.QueueTail.next = entry;
this.QueueTail = entry;
this.QueueLength++;
}
}
private void FlushQueue()
{
QueueEntryClass entry, entry_next;
//pthread_mutex_lock(&this->theMutex);
entry = this.QueueHead;
while (entry != null)
{
entry_next = entry.next;
//phwangFree(entry->data, "QueueClass::flushQueue");
//delete entry;
this.QueueLength--;
entry = entry_next;
}
this.QueueHead = this.QueueTail = null;
if (this.QueueLength != 0)
{
//this->abend("flushQueue", "theQueueSize");
}
//pthread_mutex_unlock(&this->theMutex);
}