protected void doSend(byte[] data, int offset, int length, boolean acquire_lock, boolean flush)
throws Exception {
out.writeInt(length); // write the length of the data buffer first
out.write(data, offset, length);
if (!flush || (acquire_lock && send_lock.hasQueuedThreads()))
return; // don't flush as some of the waiting threads will do the flush, or flush is false
out.flush(); // may not be very efficient (but safe)
}
@JRubyMethod
public synchronized IRubyObject unlock(ThreadContext context) {
Ruby runtime = context.getRuntime();
if (!lock.isLocked()) {
throw runtime.newThreadError("Mutex is not locked");
}
if (!lock.isHeldByCurrentThread()) {
throw runtime.newThreadError("Mutex is not owned by calling thread");
}
boolean hasQueued = lock.hasQueuedThreads();
context.getThread().unlock(lock);
return hasQueued ? context.nil : this;
}