/**
* Atomically release the associated lock and go to sleep on this condition variable until another
* thread wakes it using <tt>wake()</tt>. The current thread must hold the associated lock. The
* thread will automatically reacquire the lock before <tt>sleep()</tt> returns.
*
* <p>This implementation uses semaphores to implement this, by allocating a semaphore for each
* waiting thread. The waker will <tt>V()</tt> this semaphore, so thre is no chance the sleeper
* will miss the wake-up, even though the lock is released before caling <tt>P()</tt>.
*/
public void sleep() {
Lib.assertTrue(conditionLock.isHeldByCurrentThread());
Semaphore waiter = new Semaphore(0);
waitQueue.add(waiter);
conditionLock.release();
waiter.P();
conditionLock.acquire();
}
public void run() {
while (true) {
matcher_wait.P();
try {
System.out.println("Matcher => run() metodu...");
runMatcher();
} catch (Exception e) {
System.out.println("Matcher calisirken hata olustu!");
}
}
}
public void acquire(XThread requester) {
if (logger.isDebugEnabled()) {
logger.debug("acquire::" + name + "(XThread) - start");
}
sem.P(requester);
owner = requester;
if (logger.isDebugEnabled()) {
logger.debug("acquire::" + name + "(XThread) - end");
}
}
/**
* Called by the parent thread to process work requests posted for it. This method does not return
* unless there are no further pending requests to be processed AND all child threads have
* terminated. If there are no requests to be processed, but some child threads are still active,
* then the parent thread will block within this method awaiting further requests (for example,
* those that will eventually result from the termination of the currently active child threads).
*
* @throws IllegalStateException if the calling thread is not registered as the parent thread for
* this TaskManager.
*/
public void processRequests() throws IllegalStateException {
try {
// Don't let any threads except Parent thread execute this method
if (!NachosThread.currentThread().name.equals(mParentThreadName)) return;
// Main thread waits till all requests have been served / all worker threads have been
// finished
while (true) {
// Run the post doInBackground actions such as onCompletion and onCancellation
for (Runnable response : mResponses) {
response.run();
}
if (mResponses.size() == mThreadCounter) {
break;
} else {
mSemaphoreForFirstThread.P();
}
}
} catch (Exception ex) {
}
}
/**
* Posts a request for a Runnable to be executed by the parent thread.
* Such a Runnable might consist of a call to <CODE>onCompletion()</CODE>
* or <CODE>onCancellation() associated with the completion of a task
* being performed by a child thread, or it might consist of
* completely unrelated work (such as responding to user interface
* events) for the parent thread to perform.
*
* NOTE: This method should be safely callable by any thread.
*
* @param runnable Runnable to be executed by the parent thread.
*/
public void postRequest(Runnable runnable) {
mPostRequestsSemaphore.P();
mRequests.add(runnable);
mPostRequestsSemaphore.V();
}
