OpenJDK 27 · java.lang.Shutdown · APIdia, the JavaDoc alternative

Field Summary

Modifier and Type	Field and Description
private static int	currentRunningHook
private static final Object	haltLock
private static final Runnable[]	hooks
private static final Object	lock
private static final int	MAX_SYSTEM_HOOKS

Constructor Summary

Access	Constructor and Description
pack-priv	Shutdown()

Method Summary

Modifier and Type	Method and Description
pack-priv static void	add(int the slot in the shutdown hook array, whose element will be invoked in order during shutdown slot, boolean true to allow the hook to be registered even if the shutdown is in progress. registerShutdownInProgress, Runnable the hook to be registered hook) Add a new system shutdown hook.
pack-priv static native void	beforeHalt()
pack-priv static void	exit(int status)
pack-priv static void	halt(int status)
pack-priv static native void	halt0(int status)
private static void	logRuntimeExit(int status)
private static void	runHooks()
pack-priv static void	shutdown()

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

Field Detail

currentRunningHook	back to summary
private static int currentRunningHook

haltLock	back to summary
private static final Object haltLock

hooks	back to summary
private static final Runnable[] hooks

lock	back to summary
private static final Object lock

MAX_SYSTEM_HOOKS	back to summary
private static final int MAX_SYSTEM_HOOKS

Constructor Detail

Shutdown	back to summary
pack-priv Shutdown()

Method Detail

add	back to summary
pack-priv static void add(int slot, boolean registerShutdownInProgress, Runnable hook) Add a new system shutdown hook. Checks the shutdown state and the hook itself, but does not do any security checks. The registerShutdownInProgress parameter should be false except registering the DeleteOnExitHook since the first file may be added to the delete on exit list by the application shutdown hooks. Parameters slot:int the slot in the shutdown hook array, whose element will be invoked in order during shutdown registerShutdownInProgress:boolean true to allow the hook to be registered even if the shutdown is in progress. hook:Runnable the hook to be registered Exceptions IllegalStateException: if registerShutdownInProgress is false and shutdown is in progress; or if registerShutdownInProgress is true and the shutdown process already passes the given slot

add

back to summary

pack-priv static void add(int slot, boolean registerShutdownInProgress, Runnable hook)

Add a new system shutdown hook. Checks the shutdown state and the hook itself, but does not do any security checks. The registerShutdownInProgress parameter should be false except registering the DeleteOnExitHook since the first file may be added to the delete on exit list by the application shutdown hooks.

Parameters

slot:int: the slot in the shutdown hook array, whose element will be invoked in order during shutdown
registerShutdownInProgress:boolean: true to allow the hook to be registered even if the shutdown is in progress.
hook:Runnable: the hook to be registered

Exceptions

IllegalStateException:: if registerShutdownInProgress is false and shutdown is in progress; or if registerShutdownInProgress is true and the shutdown process already passes the given slot

beforeHalt	back to summary
pack-priv static native void beforeHalt()

exit	back to summary
pack-priv static void exit(int status)

halt	back to summary
pack-priv static void halt(int status)

halt0	back to summary
pack-priv static native void halt0(int status)

logRuntimeExit	back to summary
private static void logRuntimeExit(int status)

runHooks	back to summary
private static void runHooks()