Method run

src/com/sun/jna/internal/Cleaner.java:150–186

()

        }

        @Override
        public void run() {
            while (true) {
                try {
                    Reference<? extends Object> ref = referenceQueue.remove(CLEANER_LINGER_TIME);
                    if (ref instanceof CleanerRef) {
                        ((CleanerRef) ref).clean();
                    } else if (ref == null) {
                        synchronized (referenceQueue) {
                            Logger logger = Logger.getLogger(Cleaner.class.getName());
                            if (firstCleanable == null) {
                                cleanerThread = null;
                                logger.log(Level.FINE, "Shutting down CleanerThread");
                                break;
                            } else if (logger.isLoggable(Level.FINER)) {
                                StringBuilder registeredCleaners = new StringBuilder();
                                for(CleanerRef cleanerRef = firstCleanable; cleanerRef != null; cleanerRef = cleanerRef.next) {
                                    if(registeredCleaners.length() != 0) {
                                        registeredCleaners.append(", ");
                                    }
                                    registeredCleaners.append(cleanerRef.cleanupTask.toString());
                                }
                                logger.log(Level.FINER, "Registered Cleaners: {0}", registeredCleaners.toString());
                            }
                        }
                    }
                } catch (InterruptedException ex) {
                    // Can be raised on shutdown. If anyone else messes with
                    // our reference queue, well, there is no way to separate
                    // the two cases.
                    // https://groups.google.com/g/jna-users/c/j0fw96PlOpM/m/vbwNIb2pBQAJ
                    break;
                } catch (Exception ex) {
                    Logger.getLogger(Cleaner.class.getName()).log(Level.SEVERE, null, ex);
                }
            }
        }
    }
}