@Override
protected void doJob() throws Exception {
// log.debug("doJob()");
temperatureBufferBlockMap.allocate();
boolean localHalt = shouldHalt;
while (!localHalt) {
try {
jobsToDoSemaphore.acquire();
jobsToDoSemaphore.drainPermits();
if (SampleCache.DEBUG_SAMPLE_CACHE_ACTIVITY) {
log.trace("Attempting to refresh cache.");
}
sampleCache.refreshCache();
} catch (final InterruptedException ie) {
// Don't care, probably woken up to shutdown
} catch (final Exception e) {
if (log.isErrorEnabled()) {
log.error("Exception caught during cache population run: " + e.toString(), e);
}
}
localHalt = shouldHalt;
}
}
public static void main(String args[]) {
Semaphore s = new Semaphore(5);
NumberServer n = new NumberServer();
ExecutorService executorService = Executors.newFixedThreadPool(10);
List<Integer> list = Collections.synchronizedList(new ArrayList<Integer>());
for (int i = 0; i < 10; i++) {
try {
s.acquire();
} catch (InterruptedException e) {
// TODO Auto-generated catch block
e.printStackTrace();
}
executorService.execute(
new Runnable() {
public void run() {
list.add(n.getNumber());
s.release();
}
});
}
executorService.shutdown();
try {
s.acquire(5);
} catch (InterruptedException e) {
// TODO Auto-generated catch block
e.printStackTrace();
}
for (int i = 0; i < 10; i++) {
System.out.println(list.get(i));
}
}
/**
* Clear all consumed data for the given process id from this data pipeline.
*
* @param id The process id.
* @return The map of output data which has been stored for the given process id until now.
*/
@Override
public Map<String, Object> clear(Long id) {
Semaphore resultSemaphoreForProcess = resultSemaphores.remove(id);
Map<String, Object> result = pendingOutputs.remove(id);
resultSemaphoreForProcess.release();
return result;
}
/**
* This method defines what an Customer does: The customer attempts to enter the restaurant (only
* successful when the restaurant has a free table), place its order, and then leave the
* restaurant when the order is complete.
*/
public void run() {
Simulation.logEvent(SimulationEvent.customerStarting(this));
try {
tableSpace.acquire();
Simulation.logEvent(SimulationEvent.customerEnteredCoffeeShop(this));
Simulation.logEvent(SimulationEvent.customerPlacedOrder(this, this.order, this.orderNum));
Simulation.orders.put(new FoodOrder(this.orderNum, this.order, this));
while (Simulation.custMap.get(this) == false) {
Thread.sleep(15);
}
Simulation.logEvent(SimulationEvent.customerReceivedOrder(this, this.order, this.orderNum));
Simulation.logEvent(SimulationEvent.customerLeavingCoffeeShop(this));
tableSpace.release();
} catch (InterruptedException e) {
}
}
public static void waitUntilBlock(int threadCount) {
Semaphore semaphore = _semaphore;
if (semaphore != null) {
while (semaphore.getQueueLength() < threadCount) ;
}
}
private boolean enterRoom(String roomName) {
final Semaphore semaphore = new Semaphore(1);
try {
semaphore.acquire();
} catch (Exception e) {
}
;
baseActivity.runOnUiThread(
new Runnable() {
@Override
public void run() {
fab.performClick();
semaphore.release();
}
});
/*
getInstrumentation().runOnMainSync(new Runnable() {
@Override
public void run() {
LayoutInflater inflater = (LayoutInflater) getActivity().getSystemService(Context.LAYOUT_INFLATER_SERVICE);
View input_dialog = inflater.inflate(R.layout.input_dialog, null);
textInputLayout = (TextInputLayout) input_dialog.findViewById(R.id.textInput);
editText = textInputLayout.getEditText();
editText.requestFocus();
}
});*/
getInstrumentation().waitForIdleSync();
getInstrumentation().sendStringSync(roomName);
getInstrumentation().waitForIdleSync();
assertNotNull("Text Input Layout is not null", textInputLayout);
assertNotNull("Edit Text is not null", editText);
semaphore.release();
try {
Thread.sleep(1000);
} catch (Exception e) {
}
;
Instrumentation.ActivityMonitor activityMonitor =
getInstrumentation().addMonitor(QuestionRoomFragment.class.getName(), null, false);
try {
Thread.sleep(1000);
} catch (Exception e) {
}
;
// QuestionRoomFragment questionFragment = (QuestionRoomFragment)
// getInstrumentation().waitForMonitorWithTimeout(activityMonitor,2000);
try {
Thread.sleep(1000);
} catch (Exception e) {
}
;
/*
boolean result = (questionFragment != null);
if(result)
questionFragment.finish();*/
return true;
}
public void cancelPingKeepAliveTimeoutTaskIfStarted() {
if (pingKeepAliveTimeoutTask != null && pingKeepAliveTimeoutTask.getSipTimerTask() != null) {
try {
keepAliveSemaphore.acquire();
} catch (InterruptedException e) {
logger.logError("Couldn't acquire keepAliveSemaphore");
return;
}
try {
if (logger.isLoggingEnabled(LogWriter.TRACE_DEBUG)) {
logger.logDebug(
"~~~ cancelPingKeepAliveTimeoutTaskIfStarted for MessageChannel(key="
+ key
+ "), clientAddress="
+ peerAddress
+ ", clientPort="
+ peerPort
+ ", timeout="
+ keepAliveTimeout
+ ")");
}
sipStack.getTimer().cancel(pingKeepAliveTimeoutTask);
} finally {
keepAliveSemaphore.release();
}
}
}
public void consumir(Thread thr) throws InterruptedException {
vacio.acquire();
mutex.acquire();
buffer[salida] = 0;
System.out.println("Hebraconsumidora: " + thr.getName() + " consume en posición: " + salida);
Productorconsumidor.mostrar.setText(
Productorconsumidor.mostrar.getText() + "Productor consume " + "\n");
salida = (salida + 1) % buffer.length;
contador = contador - 1;
System.out.println("Consumidor consume ");
for (int i = 0; i < buffer.length; i++) {
System.out.print("[" + buffer[i] + "]");
}
for (int i = 0; i < buffer.length; i++) {
Productorconsumidor.mostrar.setText(
Productorconsumidor.mostrar.getText() + "[" + buffer[i] + "]");
}
Productorconsumidor.mostrar.setText(Productorconsumidor.mostrar.getText() + "\n");
System.out.print("\n");
mutex.release();
lleno.release();
}
private void scheduleReconnect() {
/*
* Ensure you are the only one mucking with connections If you find someone
* else is doing so, then you don't get a turn We trust this other person to
* do the needful
*/
if (lock.tryAcquire()) {
long currentTime = System.currentTimeMillis();
// Check how long it has been since we reconnected
try {
if ((currentTime - connectRequestTime) / 1000 > backoffSeconds) {
connectRequestTime = currentTime;
timer.newTimeout(
new TimerTask() {
public void run(Timeout timeout) throws Exception {
channelSetter.connect();
}
},
backoffSeconds,
TimeUnit.SECONDS);
}
} finally {
lock.release();
}
}
}
public String lock(ZooKeeper zk) {
try {
if (zk.exists(LOCK_NAME, null) == null) {
System.err.println("+ Attempt to create lock node, if not exists");
zk.create(LOCK_NAME, new byte[16], Ids.OPEN_ACL_UNSAFE, CreateMode.PERSISTENT);
}
// Create new child
String nodeName =
zk.create(
LOCK_NAME + "/" + LOCK_PREFIX,
new byte[16],
Ids.OPEN_ACL_UNSAFE,
CreateMode.EPHEMERAL_SEQUENTIAL);
Integer nodeNumber = extractNodeNumber(nodeName);
local_lock.acquire();
while (true) {
List<String> children = zk.getChildren(LOCK_NAME, this);
if (isNumberMinimal(children, nodeNumber)) {
System.err.println("- Got a lock: " + nodeName);
return nodeName;
}
local_lock.acquire();
}
} catch (Exception e) {
throw new RuntimeException(e);
}
}
public void producir(Thread thr) throws InterruptedException {
lleno.acquire();
mutex.acquire();
buffer[entrada] = 1;
System.out.println("Hebraproductora: " + thr.getName() + " produce en posición: " + entrada);
Productorconsumidor.mostrar.setText(
Productorconsumidor.mostrar.getText() + "Productor produce " + "\n");
entrada = (entrada + 1) % buffer.length;
contador = contador + 1;
System.out.println("Productor produce ");
for (int i = 0; i < buffer.length; i++) {
System.out.print("[" + buffer[i] + "]");
}
for (int i = 0; i < buffer.length; i++) {
Productorconsumidor.mostrar.setText(
Productorconsumidor.mostrar.getText() + "[" + buffer[i] + "]");
}
Productorconsumidor.mostrar.setText(Productorconsumidor.mostrar.getText() + "\n");
System.out.print("\n");
mutex.release();
vacio.release();
}
/** Run the bollie thread */
@Override
public void run() {
golfBall[] ballsCollected; // Array to hold the balls bollie collects
while (done.get() != true) { // Check that Range has not closed
try {
sleep(waitTime.nextInt(5000) + 2000); // Sleep for 2-7 seconds
if (done.get() != true) { // Recheck condition for closing, just in case!
bollieOnField.set(true); // Set Atomic boolean to true
System.out.println("*********** Bollie collecting balls ************");
ballsCollected =
sharedField
.collectAllBallsFromField(); // Collect balls, no golfers allowed to swing while
// this is happening
semaphore.drainPermits(); // drain permits so that golfers must wait
System.out.println(
"*********** Bollie collected " + ballsCollected.length + " balls ************");
sleep(1000); // Simulate collecting and adding
sharedStash.addBallsToStash(ballsCollected); // Add collected balls to stash
semaphore.release(
noGolfers); // Release semaphore and all waiting threads, so that golfers waiting can
// continue to their next swing
bollieOnField.set(false); // Set Atomic boolean to false, condition no longer blocked
}
} catch (InterruptedException e) {
e.printStackTrace();
}
}
sharedStash.golfersGo();
}
public RtspClient() {
mCSeq = 0;
mTmpParameters = new Parameters();
mTmpParameters.port = 1935;
mTmpParameters.path = "/";
mTmpParameters.transport = TRANSPORT_UDP;
mAuthorization = null;
mCallback = null;
mMainHandler = new Handler(Looper.getMainLooper());
mState = STATE_STOPPED;
final Semaphore signal = new Semaphore(0);
new HandlerThread("RtspClient") {
@Override
protected void onLooperPrepared() {
mHandler =
new Handler() {
@Override
public void handleMessage(Message msg) {
super.handleMessage(msg);
if (msg.what == RtpThread.WHAT_THREAD_END_UNEXCEPTION) {
if (mCallback != null) {
mCallback.onRtspUpdate(RtpThread.WHAT_THREAD_END_UNEXCEPTION, null);
} else {
stopStream();
}
}
}
};
signal.release();
}
}.start();
signal.acquireUninterruptibly();
}
public int getQuotaToUse(int want) {
waiterSemaphore.acquireUninterruptibly();
try {
// take element from the queue, add the remaining back to the queue
Integer q = queue.take();
if (q > want) {
queue.put(new Integer(q - want));
// had more than wanted
return want;
} else if (q <= want) {
// had less than wanted
return q;
}
;
// will not happen
return 0;
} catch (InterruptedException e) {
// TODO Auto-generated catch block
e.printStackTrace();
return 0;
} finally {
waiterSemaphore.release();
}
}
public void mouseEntered() {
try {
loadedMutex.acquire();
if (rootCrowdLoaded) {
Point mousePosition = new Point(MouseInfo.getPointerInfo().getLocation());
SwingUtilities.convertPointFromScreen(mousePosition, this);
for (int i = 0; i < rootCrowd.getMouseActionList().size(); i++) {
// if the mouse click is in the hitbox then peform the action
if (rootCrowd.getMouseActionList().get(i).isActive()
&& rootCrowd
.getMouseActionList()
.get(i)
.isInBounds(mousePosition.x, mousePosition.y)) {
rootCrowd.getMouseActionList().get(i).mI(mousePosition);
} else if (rootCrowd.getMouseActionList().get(i).isActive()
&& !rootCrowd
.getMouseActionList()
.get(i)
.isInBounds(mousePosition.x, mousePosition.y)) {
rootCrowd.getMouseActionList().get(i).mO(mousePosition);
}
}
}
loadedMutex.release();
} catch (InterruptedException ie) {
System.err.println("interrupedMouseEnter");
Thread.currentThread().interrupt();
}
}
/** Run a job. */
static void runJob(String name, Job job, Machine machine, String startmessage, Util.Timer timer) {
JOB_SEMAPHORE.acquireUninterruptibly();
Long starttime = null;
try {
try {
starttime = timer.tick("starting " + name + " ...\n " + startmessage);
// initialize and submit a job
machine.init(job);
job.submit();
// Separate jobs
final long sleeptime = 1000L * job.getConfiguration().getInt(JOB_SEPARATION_PROPERTY, 10);
if (sleeptime > 0) {
Util.out.println(name + "> sleep(" + Util.millis2String(sleeptime) + ")");
Thread.sleep(sleeptime);
}
} finally {
JOB_SEMAPHORE.release();
}
if (!job.waitForCompletion(false)) throw new RuntimeException(name + " failed.");
} catch (Exception e) {
throw e instanceof RuntimeException ? (RuntimeException) e : new RuntimeException(e);
} finally {
if (starttime != null)
timer.tick(name + "> timetaken=" + Util.millis2String(timer.tick() - starttime));
}
}
private void waitForBlockStored(Sha256Hash hash) {
if (hash.toString().equals("0000000000000000000000000000000000000000000000000000000000000000"))
return;
try {
if (file_db.getBlockMap().containsKey(hash)) return;
} finally {
}
Semaphore block_wait_sem = null;
synchronized (in_progress) {
block_wait_sem = in_progress.get(hash);
if (block_wait_sem == null) {
block_wait_sem = new Semaphore(0);
in_progress.put(hash, block_wait_sem);
}
}
try {
// System.out.println("Waiting for " + hash);
block_wait_sem.acquire(1);
} catch (java.lang.InterruptedException e) {
throw new RuntimeException(e);
}
}
@NotNull
public ASTNode parse(IElementType root, PsiBuilder builder) {
if (ALLOW_ONLY_ONE_THREAD) {
try {
SEMAPHORE.acquire();
} catch (InterruptedException e) {
e.printStackTrace();
}
}
// builder.setDebugMode(true);
final PsiBuilder.Marker rootMarker = builder.mark();
if (!builder.eof()) { // Empty file is not an error
final GLSLParsing theRealParser = new GLSLParsing(builder);
theRealParser.parseTranslationUnit();
while (!builder.eof()) // exhaust the file if unable to parse everything
builder.advanceLexer();
}
rootMarker.done(root);
if (ALLOW_ONLY_ONE_THREAD) {
SEMAPHORE.release();
}
return builder.getTreeBuilt();
}
public void run() {
while (running) {
try {
ignore.acquireUninterruptibly();
if (!running) break;
ignore.release();
if (srv == null) srv = new ServerSocket(port);
if (connecting == null) {
connecting = new ServerConnection();
}
if (connecting.connect(srv, password)) {
add(connecting);
owner.add(connecting, privilege);
connecting = null;
}
} catch (IOException e) {
if (running && !isIgnoring()) {
owner.println("Port unavailable, please select a different port.");
owner.println("Ignoring new connections.");
ignore(true);
}
}
}
}
public static GeneTable getGeneTable(GeneSet gs) {
if (instance != null && instance.gs.equals(gs)) {
return instance;
}
final Semaphore sem = new Semaphore(1);
try {
sem.acquire();
GeneFetcher gf =
new GeneFetcher(gs, "GeneFetcher") {
@Override
public void setData(Object[][] data) {
instance = new GeneTable(data);
sem.release();
}
@Override
public void showProgress(double prog) {}
};
gf.execute();
sem.acquire();
} catch (Exception ex) {
LOG.error(ex);
}
return instance;
}
/**
* This method checks if the reader thread has finished, and re-throw any exceptions thrown by the
* reader thread.
*
* @throws SqoopException if the consumer thread threw it.
* @throws RuntimeException if some other exception was thrown.
*/
private void waitForConsumer() {
try {
consumerFuture.get();
} catch (ExecutionException ex) {
// In almost all cases, the exception will be SqoopException,
// because all exceptions are caught and propagated as
// SqoopExceptions
// There are race conditions with exceptions where the free sema is
// no released. So sense we are in single threaded mode at this point
// we can ask if there are availablePermits and release if needed
if (free.availablePermits() == 0) {
free.release();
}
Throwable t = ex.getCause();
if (t instanceof SqoopException) {
throw (SqoopException) t;
}
// In the rare case, it was not a SqoopException
Throwables.propagate(t);
} catch (Exception ex) {
// There are race conditions with exceptions where the free sema is
// no released. So sense we are in single threaded mode at this point
// we can ask if there are availablePermits and release if needed
if (free.availablePermits() == 0) {
free.release();
}
throw new SqoopException(SparkExecutionError.SPARK_EXEC_0019, ex);
}
}
private void logState() {
logger.debug(
"Available permits: {} thread queue: {} state: {} threshold: {}",
new Object[] {
lock.availablePermits(), lock.getQueueLength(), counter.get(), getThreshold()
});
}
public static void unblock(int permits) {
Semaphore semaphore = _semaphore;
_semaphore = null;
semaphore.release(permits);
}
@Test
public void testEnlargePool() throws Exception {
AbstractClientConnectionFactory factory = mock(AbstractClientConnectionFactory.class);
when(factory.isRunning()).thenReturn(true);
TcpConnectionSupport mockConn1 = makeMockConnection("conn1");
TcpConnectionSupport mockConn2 = makeMockConnection("conn2");
TcpConnectionSupport mockConn3 = makeMockConnection("conn3");
TcpConnectionSupport mockConn4 = makeMockConnection("conn4");
when(factory.getConnection()).thenReturn(mockConn1, mockConn2, mockConn3, mockConn4);
CachingClientConnectionFactory cachingFactory = new CachingClientConnectionFactory(factory, 2);
cachingFactory.start();
TcpConnection conn1 = cachingFactory.getConnection();
TcpConnection conn2 = cachingFactory.getConnection();
assertNotSame(conn1, conn2);
Semaphore semaphore =
TestUtils.getPropertyValue(
TestUtils.getPropertyValue(cachingFactory, "pool"), "permits", Semaphore.class);
assertEquals(0, semaphore.availablePermits());
cachingFactory.setPoolSize(4);
TcpConnection conn3 = cachingFactory.getConnection();
TcpConnection conn4 = cachingFactory.getConnection();
assertEquals(0, semaphore.availablePermits());
conn1.close();
conn1.close();
conn2.close();
conn3.close();
conn4.close();
assertEquals(4, semaphore.availablePermits());
}
/** {@inheritDoc} */
@Override
public void close(final CameraSession session) {
final Session s = (Session) session;
try {
lock.acquire();
if (s.captureSession != null) {
closeLatch = new CountDownLatch(1);
s.captureSession.close();
closeLatch.await(2, TimeUnit.SECONDS);
s.captureSession = null;
}
if (s.cameraDevice != null) {
s.cameraDevice.close();
s.cameraDevice = null;
}
if (s.reader != null) {
s.reader.close();
}
Descriptor camera = (Descriptor) session.getDescriptor();
camera.setDevice(null);
getBus().post(new ClosedEvent());
} catch (Exception e) {
getBus().post(new ClosedEvent(e));
} finally {
lock.release();
}
}
private void processNewFile(DataBean bean) {
try {
locker.acquire();
} catch (InterruptedException e) {
e.printStackTrace();
}
playback.addFile((String) bean.getGuiParameters().get(GuiParameters.FILENAME));
String colourScheme = getPreferenceColourMapChoice();
SWTGridEntry entry =
new SWTGridEntry(
(String) bean.getGuiParameters().get(GuiParameters.FILENAME),
bean.getData().get(0),
canvas,
colourScheme,
getPreferenceAutoContrastLo(),
getPreferenceAutoContrastHi());
Integer xPos = (Integer) bean.getGuiParameters().get(GuiParameters.IMAGEGRIDXPOS);
Integer yPos = (Integer) bean.getGuiParameters().get(GuiParameters.IMAGEGRIDYPOS);
if (xPos != null && yPos != null) imageGrid.addEntry(entry, xPos, yPos);
else imageGrid.addEntry(entry);
imageGrid.setThumbnailSize(getPreferenceImageSize());
locker.release();
if (liveActive) playback.moveToLast();
}
public Map<String, Object> process(Map<String, Object> input) {
if (!isValid) {
validate(true);
}
Long currentProcessId = processId.incrementAndGet();
Semaphore resultSemaphoreForProcess = new Semaphore(0);
resultSemaphores.put(currentProcessId, resultSemaphoreForProcess);
// send input to all input pipeline stages
for (PipelineStage inputStage : inputStages.keySet()) {
Map<String, String> inputPortMapping = inputStages.get(inputStage);
for (String inputPort : inputPortMapping.keySet()) {
Object inputParam = input.get(inputPort);
inputStage.consume(currentProcessId, inputPortMapping.get(inputPort), inputParam);
}
}
// wait for the output to become ready
resultSemaphoreForProcess.acquireUninterruptibly();
if (Boolean.FALSE == processingStatus.remove(currentProcessId)) {
Throwable t = processingException.remove(currentProcessId);
throw new PipelineProcessingException(
"Processing failed for id '" + currentProcessId + "'.", t);
}
// cleanup and return the result
return clear(currentProcessId);
}
/**
* @return if <0, then this pipe should be stopped. If ==0, it should not wait. If >0, if it
* should wait
*/
int execute() {
if (!lock.tryAcquire()) return 1; // currently being accessed
Thread myThread = Thread.currentThread();
int threadIndex = -1;
for (int i = 0; i < threads.length; i++) {
if (threads[i] == null) {
threads[i] = myThread;
threadIndex = i;
break;
}
if (myThread != threads[i]) continue;
threadIndex = i;
break;
}
Signal signal;
if (threadIndex < 0) {
signal = dummySignal;
} else {
SignalImpl s = signals[threadIndex];
s.threadIndex = threadIndex;
s.signaled = false;
signal = s;
}
boolean hasData;
try {
hasData = poll(signal, null);
} finally {
signal.signal();
if (threadIndex < 0) lock.release();
}
return 0;
}
public void place_order(Company company, int quantity, String buy_sell, byte user_system) {
Contract contract = company.create_contract();
Order order = company.create_order(buy_sell, quantity);
sem_oid.acquireUninterruptibly();
OpenOrder oo = new OpenOrder(order, company, user_system);
open_order_map.put(next_orderId, oo);
client.placeOrder(next_orderId, contract, order);
String message =
df_user.format(Calendar.getInstance().getTime())
+ buy_sell
+ " ORDER placed: "
+ company.name()
+ "x"
+ quantity;
message = (user_system == 0) ? message + " BY USER" : message;
next_orderId++;
sem_oid.release();
q.offer(message);
}
public void read(
final long position,
final long size,
final ByteBuffer directByteBuffer,
final AIOCallback aioPackage)
throws HornetQException {
checkOpened();
if (poller == null) {
startPoller();
}
pendingWrites.countUp();
maxIOSemaphore.acquireUninterruptibly();
try {
read(handler, position, size, directByteBuffer, aioPackage);
} catch (HornetQException e) {
// Release only if an exception happened
maxIOSemaphore.release();
pendingWrites.countDown();
throw e;
} catch (RuntimeException e) {
// Release only if an exception happened
maxIOSemaphore.release();
pendingWrites.countDown();
throw e;
}
}
