--- AnyEvent-MP/MP.pm 2009/08/08 21:56:29 1.41 +++ AnyEvent-MP/MP.pm 2009/08/12 21:39:58 1.44 @@ -107,7 +107,7 @@ package AnyEvent::MP; -use AnyEvent::MP::Base; +use AnyEvent::MP::Kernel; use common::sense; @@ -117,7 +117,8 @@ use base "Exporter"; -our $VERSION = '0.1'; +our $VERSION = $AnyEvent::MP::Kernel::VERSION; + our @EXPORT = qw( NODE $NODE *SELF node_of _any_ resolve_node initialise_node @@ -503,15 +504,24 @@ =item $guard = mon $port, $rcvport, @msg -Monitor the given port and do something when the port is killed, and -optionally return a guard that can be used to stop monitoring again. +Monitor the given port and do something when the port is killed or +messages to it were lost, and optionally return a guard that can be used +to stop monitoring again. + +C effectively guarantees that, in the absence of hardware failures, +that after starting the monitor, either all messages sent to the port +will arrive, or the monitoring action will be invoked after possible +message loss has been detected. No messages will be lost "in between" +(after the first lost message no further messages will be received by the +port). After the monitoring action was invoked, further messages might get +delivered again. In the first form (callback), the callback is simply called with any number of C<@reason> elements (no @reason means that the port was deleted "normally"). Note also that I<< the callback B never die >>, so use C if unsure. -In the second form (another port given), the other port (C<$rcvport) +In the second form (another port given), the other port (C<$rcvport>) will be C'ed with C<@reason>, iff a @reason was specified, i.e. on "normal" kils nothing happens, while under all other conditions, the other port is killed with the same reason.