import java.util.*; import java.util.zip.*; import java.util.List; import java.util.regex.*; import java.util.concurrent.*; import java.util.concurrent.atomic.*; import java.util.concurrent.locks.*; import javax.swing.*; import javax.swing.event.*; import javax.swing.text.*; import javax.swing.table.*; import java.io.*; import java.net.*; import java.lang.reflect.*; import java.lang.ref.*; import java.lang.management.*; import java.security.*; import java.security.spec.*; import java.awt.*; import java.awt.event.*; import java.awt.image.*; import javax.imageio.*; import java.math.*; class main { public static void main(final String[] args) throws Exception { for (int _repeat_0 = 0; _repeat_0 < 10; _repeat_0++) { long _startTime_2 = sysNow(); for (int _repeat_1 = 0; _repeat_1 < 10000; _repeat_1++) { printDeadlocks(); } done2("Calling printDeadlocks 10000 times.", _startTime_2); } } static List printDeadlocks() { ThreadMXBean bean = ManagementFactory.getThreadMXBean(); long ids[] = bean.findMonitorDeadlockedThreads(); if (empty(ids)) return emptyList(); printAsciiHeading("DEADLOCKED THREADS!"); ThreadInfo threadInfo[] = bean.getThreadInfo(ids); int i = 0; for (ThreadInfo threadInfo1 : threadInfo) { print("Thread " + (++i) + "/" + l(threadInfo) + ": ID=" + threadInfo1.getThreadId() + ", name=" + quote(threadInfo1.getThreadName())); print(" Trying to lock: " + threadInfo1.getLockName() + " which is owned by thread " + threadInfo1.getLockOwnerId() + " (" + quote(threadInfo1.getLockOwnerName()) + ")"); } print(); return asList(threadInfo); } static Map _registerThread_threads = Collections.synchronizedMap(new WeakHashMap()); static Thread _registerThread(Thread t) { _registerThread_threads.put(t, true); return t; } static void _registerThread() { _registerThread(Thread.currentThread()); } static List emptyList() { return new ArrayList(); //ret Collections.emptyList(); } static volatile StringBuffer local_log = new StringBuffer(); // not redirected static volatile StringBuffer print_log = local_log; // might be redirected, e.g. to main bot // in bytes - will cut to half that static volatile int print_log_max = 1024*1024; static volatile int local_log_max = 100*1024; //static int print_maxLineLength = 0; // 0 = unset static boolean print_silent; // total mute if set static Object print_byThread_lock = new Object(); static volatile ThreadLocal> print_byThread; // special handling by thread static void print() { print(""); } // slightly overblown signature to return original object... static A print(A o) { ping(); if (print_silent) return o; String s = String.valueOf(o) + "\n"; print_noNewLine(s); return o; } static void print_noNewLine(String s) { if (print_byThread != null) { F1 f = print_byThread.get(); if (f != null) if (isFalse(f.get(s))) return; } print_raw(s); } static void print_raw(String s) { s = fixNewLines(s); // TODO if (print_maxLineLength != 0) StringBuffer loc = local_log; StringBuffer buf = print_log; int loc_max = print_log_max; if (buf != loc && buf != null) { print_append(buf, s, print_log_max); loc_max = local_log_max; } if (loc != null) print_append(loc, s, loc_max); System.out.print(s); } static void print(long l) { print(String.valueOf(l)); } static void print(char c) { print(String.valueOf(c)); } static void print_append(StringBuffer buf, String s, int max) { synchronized(buf) { buf.append(s); max /= 2; if (buf.length() > max) try { int newLength = max/2; int ofs = buf.length()-newLength; String newString = buf.substring(ofs); buf.setLength(0); buf.append("[...] ").append(newString); } catch (Exception e) { buf.setLength(0); } } } static String quote(Object o) { if (o == null) return "null"; return quote(str(o)); } static String quote(String s) { if (s == null) return "null"; StringBuilder out = new StringBuilder((int) (l(s)*1.5+2)); quote_impl(s, out); return out.toString(); } static void quote_impl(String s, StringBuilder out) { out.append('"'); int l = s.length(); for (int i = 0; i < l; i++) { char c = s.charAt(i); if (c == '\\' || c == '"') out.append('\\').append(c); else if (c == '\r') out.append("\\r"); else if (c == '\n') out.append("\\n"); else out.append(c); } out.append('"'); } static void printAsciiHeading(String text) { print(asciiHeading2(text)); } static int l(Object[] a) { return a == null ? 0 : a.length; } static int l(boolean[] a) { return a == null ? 0 : a.length; } static int l(byte[] a) { return a == null ? 0 : a.length; } static int l(int[] a) { return a == null ? 0 : a.length; } static int l(float[] a) { return a == null ? 0 : a.length; } static int l(char[] a) { return a == null ? 0 : a.length; } static int l(Collection c) { return c == null ? 0 : c.size(); } static int l(Map m) { return m == null ? 0 : m.size(); } static int l(CharSequence s) { return s == null ? 0 : s.length(); } static long l(File f) { return f == null ? 0 : f.length(); } static int l(Object o) { return o instanceof String ? l((String) o) : o instanceof Map ? l((Map) o) : l((Collection) o); // incomplete } static ArrayList asList(A[] a) { return new ArrayList(Arrays.asList(a)); } static ArrayList asList(int[] a) { ArrayList l = new ArrayList(); for (int i : a) l.add(i); return l; } static ArrayList asList(Iterable s) { if (s instanceof ArrayList) return (ArrayList) s; ArrayList l = new ArrayList(); if (s != null) for (A a : s) l.add(a); return l; } static ArrayList asList(Enumeration e) { ArrayList l = new ArrayList(); if (e != null) while (e.hasMoreElements()) l.add(e.nextElement()); return l; } static boolean empty(Collection c) { return c == null || c.isEmpty(); } static boolean empty(String s) { return s == null || s.length() == 0; } static boolean empty(Map map) { return map == null || map.isEmpty(); } static boolean empty(Object[] o) { return o == null || o.length == 0; } static boolean empty(Object o) { if (o instanceof Collection) return empty((Collection) o); if (o instanceof String) return empty((String) o); if (o instanceof Map) return empty((Map) o); if (o instanceof Object[]) return empty((Object[]) o); throw fail("unknown type for 'empty': " + getType(o)); } static boolean empty(float[] a) { return a == null || a.length == 0; } static boolean empty(int[] a) { return a == null || a.length == 0; } static boolean empty(long[] a) { return a == null || a.length == 0; } static String fixNewLines(String s) { return s.replace("\r\n", "\n").replace("\r", "\n"); } static volatile boolean ping_pauseAll; static int ping_sleep = 100; // poll pauseAll flag every 100 static volatile boolean ping_anyActions; static Map ping_actions = synchroMap(new WeakHashMap()); // always returns true static boolean ping() { if (ping_pauseAll || ping_anyActions) ping_impl(); return true; } // returns true when it slept static boolean ping_impl() { try { if (ping_pauseAll && !isAWTThread()) { do Thread.sleep(ping_sleep); while (ping_pauseAll); return true; } if (ping_anyActions) { Object action; synchronized(mc()) { action = ping_actions.get(currentThread()); if (action instanceof Runnable) ping_actions.remove(currentThread()); if (ping_actions.isEmpty()) ping_anyActions = false; } if (action instanceof Runnable) ((Runnable) action).run(); else if (eq(action, "cancelled")) throw fail("Thread cancelled."); } return false; } catch (Exception __e) { throw rethrow(__e); } } static boolean isFalse(Object o) { return eq(false, o); } static String str(Object o) { return o == null ? "null" : o.toString(); } static String str(char[] c) { return new String(c); } static RuntimeException fail() { throw new RuntimeException("fail"); } static RuntimeException fail(Throwable e) { throw asRuntimeException(e); } static RuntimeException fail(Object msg) { throw new RuntimeException(String.valueOf(msg)); } static RuntimeException fail(String msg) { throw new RuntimeException(unnull(msg)); } static RuntimeException fail(String msg, Throwable innerException) { throw new RuntimeException(msg, innerException); } static String getType(Object o) { return getClassName(o); } static String asciiHeading2(String title) { return asciiHeading(title) + "\n"; } static Map synchroMap() { return synchroHashMap(); } static Map synchroMap(Map map) { return Collections.synchronizedMap(map); } static String unnull(String s) { return s == null ? "" : s; } static List unnull(List l) { return l == null ? emptyList() : l; } static Iterable unnull(Iterable i) { return i == null ? emptyList() : i; } static Object[] unnull(Object[] a) { return a == null ? new Object[0] : a; } static BitSet unnull(BitSet b) { return b == null ? new BitSet() : b; } static String asciiHeading(String title) { return "\n" + title + "\n" + rep(l(title), '-'); } static RuntimeException asRuntimeException(Throwable t) { return t instanceof RuntimeException ? (RuntimeException) t : new RuntimeException(t); } static Object mc() { return getMainClass(); } // TODO: test if android complains about this static boolean isAWTThread() { if (isAndroid()) return false; if (isHeadless()) return false; return isAWTThread_awt(); } static boolean isAWTThread_awt() { return SwingUtilities.isEventDispatchThread(); } static Thread currentThread() { return Thread.currentThread(); } static boolean eq(Object a, Object b) { return a == null ? b == null : a == b || a.equals(b); } static String getClassName(Object o) { return o == null ? "null" : o.getClass().getName(); } static Boolean isHeadless_cache; static boolean isHeadless() { if (isHeadless_cache != null) return isHeadless_cache; if (GraphicsEnvironment.isHeadless()) return isHeadless_cache = true; // Also check if AWT actually works. // If DISPLAY variable is set but no X server up, this will notice. try { SwingUtilities.isEventDispatchThread(); return isHeadless_cache = false; } catch (Throwable e) { return isHeadless_cache = true; } } static String rep(int n, char c) { return repeat(c, n); } static String rep(char c, int n) { return repeat(c, n); } static List rep(A a, int n) { return repeat(a, n); } static List rep(int n, A a) { return repeat(n, a); } static Class getMainClass() { return main.class; } static Class getMainClass(Object o) { try { return (o instanceof Class ? (Class) o : o.getClass()).getClassLoader().loadClass("main"); } catch (Exception __e) { throw rethrow(__e); } } static Map synchroHashMap() { return Collections.synchronizedMap(new HashMap()); } static int isAndroid_flag; static boolean isAndroid() { if (isAndroid_flag == 0) isAndroid_flag = System.getProperty("java.vendor").toLowerCase().indexOf("android") >= 0 ? 1 : -1; return isAndroid_flag > 0; } static String repeat(char c, int n) { n = Math.max(n, 0); char[] chars = new char[n]; for (int i = 0; i < n; i++) chars[i] = c; return new String(chars); } static List repeat(A a, int n) { List l = new ArrayList(); for (int i = 0; i < n; i++) l.add(a); return l; } static List repeat(int n, A a) { return repeat(a, n); } static abstract class F1 { abstract B get(A a); } static int done2_minPrint = 10; static long done2(long startTime, String desc) { return done2(startTime, desc, done2_minPrint); } static long done2(long startTime, String desc, int minPrint) { long time = sysNow()-startTime; if (time >= minPrint) print(desc + " [" + time + " ms]"); return time; } static long done2(String desc, long startTime) { return done2(startTime, desc); } static long done2(long startTime) { return done2(startTime, ""); } static long sysNow() { return System.nanoTime()/1000000; } // get purpose 1: access a list/array/map (safer version of x.get(y)) static A get(List l, int idx) { return l != null && idx >= 0 && idx < l(l) ? l.get(idx) : null; } // seems to conflict with other signatures /*static B get(Map map, A key) { ret map != null ? map.get(key) : null; }*/ static A get(A[] l, int idx) { return idx >= 0 && idx < l(l) ? l[idx] : null; } // default to false static boolean get(boolean[] l, int idx) { return idx >= 0 && idx < l(l) ? l[idx] : false; } // get purpose 2: access a field by reflection or a map static Object get(Object o, String field) { try { if (o instanceof Class) return get((Class) o, field); if (o instanceof Map) return ((Map) o).get(field); Field f = getOpt_findField(o.getClass(), field); if (f != null) { f.setAccessible(true); return f.get(o); } } catch (Exception e) { throw asRuntimeException(e); } throw new RuntimeException("Field '" + field + "' not found in " + o.getClass().getName()); } static Object get_raw(Object o, String field) { try { Field f = get_findField(o.getClass(), field); f.setAccessible(true); return f.get(o); } catch (Exception e) { throw new RuntimeException(e); } } static Object get(Class c, String field) { try { Field f = get_findStaticField(c, field); f.setAccessible(true); return f.get(null); } catch (Exception e) { throw new RuntimeException(e); } } static Field get_findStaticField(Class c, String field) { Class _c = c; do { for (Field f : _c.getDeclaredFields()) if (f.getName().equals(field) && (f.getModifiers() & Modifier.STATIC) != 0) return f; _c = _c.getSuperclass(); } while (_c != null); throw new RuntimeException("Static field '" + field + "' not found in " + c.getName()); } static Field get_findField(Class c, String field) { Class _c = c; do { for (Field f : _c.getDeclaredFields()) if (f.getName().equals(field)) return f; _c = _c.getSuperclass(); } while (_c != null); throw new RuntimeException("Field '" + field + "' not found in " + c.getName()); } static RuntimeException rethrow(Throwable e) { throw asRuntimeException(e); } static Field getOpt_findField(Class c, String field) { Class _c = c; do { for (Field f : _c.getDeclaredFields()) if (f.getName().equals(field)) return f; _c = _c.getSuperclass(); } while (_c != null); return null; } }