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sun.jvm.hotspot.runtime

public Class DeadlockDetector

Class Inheritance

extends Object

java.lang.Object
sun.jvm.hotspot.runtime.DeadlockDetector

Imports

sun.jvm.hotspot.debugger.*, sun.jvm.hotspot.memory.*, sun.jvm.hotspot.oops.*, java.io.*, java.util.*, .Map.Entry

Prints information about Java-level deadlocks in supplied 'tty'.

Field Summary

Modifier and Type	Field and Description
private static ObjectHeap	heap
private static Threads	threads
private static HashMap<JavaThread, Integer>	threadTable

Constructor Summary

Access	Constructor and Description
public	DeadlockDetector()

Method Summary

Modifier and Type	Method and Description
private static void	createThreadTable()
private static int	dfn(JavaThread thread)
public static void	print(PrintStream tty)
public static void	print(PrintStream tty, boolean concurrentLocks) prints zero or more deadlocks into 'tty' taking current snapshot of Java threads and locks
private static void	printOneDeadlock(PrintStream tty, JavaThread thread, boolean concurrentLocks)

Inherited from java.lang.Object:: clone equals finalize getClass hashCode notify notifyAll toString wait wait wait

Field Detail

heap	back to summary
private static ObjectHeap heap

threads	back to summary
private static Threads threads

threadTable	back to summary
private static HashMap<JavaThread, Integer> threadTable

Constructor Detail

DeadlockDetector	back to summary
public DeadlockDetector()

Method Detail

createThreadTable	back to summary
private static void createThreadTable()

dfn	back to summary
private static int dfn(JavaThread thread)

print	back to summary
public static void print(PrintStream tty)

print	back to summary
public static void print(PrintStream tty, boolean concurrentLocks) prints zero or more deadlocks into 'tty' taking current snapshot of Java threads and locks

printOneDeadlock	back to summary
private static void printOneDeadlock(PrintStream tty, JavaThread thread, boolean concurrentLocks)