public void join() {
JoinLock currentLock = lock;
// sync lock will be blocked by the thread
synchronized (currentLock) {
// wait in case the thread is not running yet
while (!currentLock.released) {
try {
currentLock.wait();
} catch (InterruptedException e) {
}
}
}
}
public void run() {
while (true) {
synchronized (currentLock) {
try {
target.run();
} catch (Throwable e) {
DebugLight.printStackTrace(e);
} finally {
target = null;
debug = null;
currentLock.released = true;
currentLock.notifyAll();
}
}
if (isInterrupted() || !Thread.currentThread().isDaemon()) {
break;
} else {
synchronized (daemon_threads) {
last_active_time = SystemTime.getCurrentTime();
if (last_active_time < last_timeout_check
|| last_active_time - last_timeout_check > THREAD_TIMEOUT_CHECK_PERIOD) {
last_timeout_check = last_active_time;
while (daemon_threads.size() > 0 && daemon_threads.size() > MIN_RETAINED) {
threadWrapper thread = (threadWrapper) daemon_threads.getFirst();
long thread_time = thread.last_active_time;
if (last_active_time < thread_time
|| last_active_time - thread_time > THREAD_TIMEOUT) {
daemon_threads.removeFirst();
thread.retire();
} else {
break;
}
}
}
if (daemon_threads.size() >= MAX_RETAINED) {
return;
}
daemon_threads.addLast(this);
setName("AEThread2:parked[" + daemon_threads.size() + "]");
// System.out.println( "AEThread2: queue=" + daemon_threads.size() + ",creates=" +
// total_creates + ",starts=" + total_starts );
}
sem.reserve();
if (target == null) {
break;
}
}
}
}
