X-Git-Url: http://git.vpit.fr/?a=blobdiff_plain;f=lib%2FIPC%2FMorseSignals%2FEmitter.pm;h=2b8a72a02f5d7ff4a3db0fdaa374408517e94b37;hb=9370c8d2ab07f434272dbbddb92bdd5d8d1fe3af;hp=a45735cabc97e55f619f55276f9355ecd52de47f;hpb=5fce18d9cd1111ef3703d93bef8baba2a7c8fa10;p=perl%2Fmodules%2FIPC-MorseSignals.git

diff --git a/lib/IPC/MorseSignals/Emitter.pm b/lib/IPC/MorseSignals/Emitter.pm
index a45735c..2b8a72a 100644
--- a/lib/IPC/MorseSignals/Emitter.pm
+++ b/lib/IPC/MorseSignals/Emitter.pm
@@ -16,11 +16,11 @@ IPC::MorseSignals::Emitter - Base class for IPC::MorseSignals emitters.
 
 =head1 VERSION
 
-Version 0.11
+Version 0.15
 
 =cut
 
-our $VERSION = '0.11';
+our $VERSION = '0.15';
 
 =head1 SYNOPSIS
 
@@ -32,7 +32,7 @@ our $VERSION = '0.11';
 
 =head1 DESCRIPTION
 
-This module sends messages processed by a L<Bit::MorseSignal> emitter to another process as C<SIGUSR1> (for bits 0) and C<SIGUSR2> (for 1) signals.
+This module sends messages processed by an underlying L<Bit::MorseSignal> emitter to another process as a sequence of C<SIGUSR1> (for bits 0) and C<SIGUSR2> (for 1) signals.
 
 =cut
 
@@ -45,7 +45,7 @@ sub _check_self {
 
 =head2 C<< new < delay => $seconds, speed => $bauds, %bme_options > >>
 
-Creates a new emitter object. C<delay> specifies the delay between two sends, in seconds, while C<speed> is the number of bits sent per second. The delay value has priority over the speed. Extra arguments are passed to L<Bit::MorseSignals::Emitter/new>.
+Creates a new emitter object. C<delay> specifies the delay between two sends, in seconds, while C<speed> is the number of bits sent per second. The delay value has priority over the speed. Default delay is 1 second. Extra arguments are passed to L<Bit::MorseSignals::Emitter/new>.
 
 =cut
 
@@ -68,7 +68,7 @@ sub new {
 
 =head2 C<send $pid>
 
-Sends messages enqueued with L<Bit::MorseSignals::Emitter/post> to the process C<$pid> (or to all the C<@$pid> if C<$pid> is an array reference).
+Sends messages enqueued with L<Bit::MorseSignals::Emitter/post> to the process C<$pid> (or to all the C<@$pid> if C<$pid> is an array reference, in which case duplicated targets are stripped off).
 
 =cut
 
@@ -76,15 +76,17 @@ sub send {
  my ($self, $dest) = @_;
  _check_self($self);
  return unless defined $dest;
- my @dests = grep $_ > 0, ref $dest eq 'ARRAY' ? map int, grep defined, @$dest
-                                               : int $dest;
+ my %count;
+ my @dests = grep $_ > 0 && !$count{$_}++, # Remove duplicates.
+              ref $dest eq 'ARRAY' ? map int, grep defined, @$dest
+                                   : int $dest;
+ return unless @dests;
  while (defined(my $bit = $self->pop)) {
   my @sigs = (SIGUSR1, SIGUSR2);
   my $d = $self->{delay} * 1_000_000;
   $d -= usleep $d while $d > 0;
   kill $sigs[$bit] => @dests;
  }
- return unless @dests;
 }
 
 =head2 C<< delay < $seconds > >>