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Fixed timer lifespan in 2013 advent cal async example #18

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Fixed timer lifespan in 2013 advent cal async example #18

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10 changes: 6 additions & 4 deletions 1to4-Nonblocking-Streaming/bin/five-times-evented.psgi
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Original file line number Diff line number Diff line change
Expand Up @@ -2,18 +2,19 @@ use AnyEvent;
use warnings;
use strict;

my $watcher;
my $timer_model = sub {
my $writer = shift;
my $count = 1;
$watcher = AnyEvent->timer(
my $timer;
$timer = AnyEvent->timer(
after => 0,
interval => 1,
cb => sub {
$writer->write(scalar localtime ."\n");
if(++$count > 5) {
$writer->close;
undef $watcher;
# this cancels the timer, and breaks a circular reference
undef $timer;
}
});
};
Expand All @@ -26,6 +27,7 @@ my $psgi_app = sub {
[200, [ 'Content-Type' => 'text/plain' ]]);

$timer_model->($writer);

# our timer lives on via a circular reference.
# return value is ignored
};
};