org.jcsp.lang

Class ProcessInterruptedException

java.lang.Object

java.lang.Throwable

java.lang.Error

org.jcsp.lang.ProcessInterruptedException

All Implemented Interfaces:

Serializable

public class ProcessInterruptedException
extends Error

This is thrown if a process is interrupted whilst blocked during synchronisation - processes should never be interrupted.

Description

This is caused by accessing the Java thread executing a JCSP process and invoking its java.lang.Thread.interrupt() method. If this is done to a process blocked on a JCSP synchronisation primitive (such as a channel communication or timeout), the process will wake up prematurely -- invalidating the semantics of that primitive. The wake up is intercepted and this Error is thrown.

Some browsers, when shutting down an applet, may do this to processes spawned by an ActiveApplet that have not died naturally. Alternatively, this may be raised by processes stopped prematurely as a result of a call to Parallel.destroy, or by calling stop on the ProcessManager responsible for the process (or network).

Author:

P.H. Welch

See Also:

Serialized Form

Constructor Summary

Constructors

Constructor and Description
ProcessInterruptedException(String s)

Method Summary

Methods inherited from class java.lang.Throwable

addSuppressed, fillInStackTrace, getCause, getLocalizedMessage, getMessage, getStackTrace, getSuppressed, initCause, printStackTrace, printStackTrace, printStackTrace, setStackTrace, toString

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, wait, wait, wait

Constructor Detail

ProcessInterruptedException

public ProcessInterruptedException(String s)