com.oracle.truffle.api

Interface TruffleSafepoint.Interrupter

Enclosing class:

TruffleSafepoint

public static interface TruffleSafepoint.Interrupter

An interrupter allows a foreign thread to interrupt the execution on a separate thread. Used to allow the Truffle safepoint mechanism to interrupt a blocked thread and schedule a safepoint.

Since:

21.1

See Also:

TruffleSafepoint.setBlockedWithException(Node, Interrupter, Interruptible, Object, Runnable, Consumer), TruffleSafepoint.Interrupter.THREAD_INTERRUPT

Field Summary

Fields

Modifier and Type	Field and Description
static TruffleSafepoint.Interrupter	THREAD_INTERRUPT A thread interrupter implementation that uses Thread.interrupt() and Thread.interrupted() to clear the thread state.

Method Summary

Modifier and Type	Method and Description
void	interrupt(Thread thread) Sets the interrupted state on a foreign thread.
void	resetInterrupted() Resets the interrupted state when executing on a thread after the thread was interrupted.

Field Detail

THREAD_INTERRUPT

static final TruffleSafepoint.Interrupter THREAD_INTERRUPT

A thread interrupter implementation that uses Thread.interrupt() and Thread.interrupted() to clear the thread state.

 THREAD_INTERRUPT = new Interrupter() {

     @Override
     public void interrupt(Thread t) {
         t.interrupt();
     }

     @Override
     public void interrupted() {
         Thread.interrupted();
     }

 };
 

Since:

21.1

Method Detail

interrupt

void interrupt(Thread thread)

Sets the interrupted state on a foreign thread. Internal locks are held while this method is invoked, therefore this method must not block or run complex or guest language code that could cause deadlocks.

Parameters:

thread - the thread to interrupt

Since:

21.1

resetInterrupted

void resetInterrupted()

Resets the interrupted state when executing on a thread after the thread was interrupted. If a thread was interrupted it is guaranteed to be reset at least once, but might be reset multiple times. Internal locks are held while this method is invoked, therefore this method must not block or run complex or guest language code that could cause deadlocks.

Since:

21.1