Author: allison Date: Mon Dec 10 05:15:46 2007 New Revision: 23695 Modified: trunk/docs/pdds/pdd25_concurrency.pod
Log: [pdd] Adding interface methods for event/exception handlers to concurrency PDD. Modified: trunk/docs/pdds/pdd25_concurrency.pod ============================================================================== --- trunk/docs/pdds/pdd25_concurrency.pod (original) +++ trunk/docs/pdds/pdd25_concurrency.pod Mon Dec 10 05:15:46 2007 @@ -43,14 +43,13 @@ =head1 DEFINITIONS -Concurrency is a parallel execution of units of code (on -multiprocessor machines), or a flexible ordering of units of code (on -single processor machines). For certain problem spaces, concurrency -offers significant speed gains by parceling out processor-intensive -activity or by ensuring that a wait for input or system resources -doesn't hold up the entire application. +Concurrency is a parallel execution of units of code (on multiprocessor +machines), or a flexible ordering of serial units of code (on single processor +machines). For certain problem spaces, concurrency offers significant speed +gains by parceling out processor-intensive activity or by ensuring that a wait +for input or system resources doesn't hold up the entire application. -A task is a unit of code that can be executed in parallel. +A task is a unit of code that can be executed concurrently. =head1 IMPLEMENTATION @@ -269,6 +268,25 @@ =back +=head3 Methods + +=over 4 + +=item add_handler + + $P1.add_handler($P2) + +Add an event or exception handler to the scheduler's list of handlers. + +=item find_handler + + $P1 = $P2.find_handler($P3) + +Search for an event or exception handler $P1, in scheduler $P2, for the task +$P3. Returns a null PMC if an appropriate handler is not found. + +=back + =head2 Task PMC API The interface of the Task PMC is also the minimum required interface for all
