--- AnyEvent-MP/MP.pm 2009/09/11 02:32:23 1.87 +++ AnyEvent-MP/MP.pm 2009/10/01 13:19:03 1.96 @@ -1,6 +1,6 @@ =head1 NAME -AnyEvent::MP - multi-processing/message-passing framework +AnyEvent::MP - erlang-style multi-processing/message-passing framework =head1 SYNOPSIS @@ -33,19 +33,17 @@ my $port = spawn $node, $initfunc, @initdata; # monitoring - mon $port, $cb->(@msg) # callback is invoked on death - mon $port, $otherport # kill otherport on abnormal death - mon $port, $otherport, @msg # send message on death + mon $localport, $cb->(@msg) # callback is invoked on death + mon $localport, $otherport # kill otherport on abnormal death + mon $localport, $otherport, @msg # send message on death =head1 CURRENT STATUS bin/aemp - stable. AnyEvent::MP - stable API, should work. AnyEvent::MP::Intro - explains most concepts. - AnyEvent::MP::Kernel - mostly stable. - AnyEvent::MP::Global - stable but incomplete, protocol not yet final. - -stay tuned. + AnyEvent::MP::Kernel - mostly stable API. + AnyEvent::MP::Global - stable API. =head1 DESCRIPTION @@ -120,7 +118,7 @@ =item seeds - C Seeds are transport endpoint(s) (usually a hostname/IP address and a -TCP port) of nodes thta should be used as seed nodes. +TCP port) of nodes that should be used as seed nodes. The nodes listening on those endpoints are expected to be long-running, and at least one of those should always be available. When nodes run out @@ -152,7 +150,7 @@ our @EXPORT = qw( NODE $NODE *SELF node_of after configure - snd rcv mon mon_guard kil reg psub spawn cal + snd rcv mon mon_guard kil psub spawn cal port ); @@ -527,7 +525,7 @@ Inter-host-connection timeouts and monitoring depend on the transport used. The only transport currently implemented is TCP, and AnyEvent::MP relies on TCP to detect node-downs (this can take 10-15 minutes on a -non-idle connection, and usually around two hours for idle conenctions). +non-idle connection, and usually around two hours for idle connections). This means that monitoring is good for program errors and cleaning up stuff eventually, but they are no replacement for a timeout when you need @@ -569,7 +567,7 @@ $node->monitor ($port, $cb); defined wantarray - and AnyEvent::Util::guard { $node->unmonitor ($port, $cb) } + and ($cb += 0, AnyEvent::Util::guard { $node->unmonitor ($port, $cb) }) } =item $guard = mon_guard $port, $ref, $ref... @@ -778,10 +776,10 @@ programming techniques employed by Erlang apply to AnyEvent::MP. Here is a sample: - http://www.Erlang.se/doc/programming_rules.shtml - http://Erlang.org/doc/getting_started/part_frame.html # chapters 3 and 4 - http://Erlang.org/download/Erlang-book-part1.pdf # chapters 5 and 6 - http://Erlang.org/download/armstrong_thesis_2003.pdf # chapters 4 and 5 + http://www.erlang.se/doc/programming_rules.shtml + http://erlang.org/doc/getting_started/part_frame.html # chapters 3 and 4 + http://erlang.org/download/erlang-book-part1.pdf # chapters 5 and 6 + http://erlang.org/download/armstrong_thesis_2003.pdf # chapters 4 and 5 Despite the similarities, there are also some important differences: