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#!/usr/bin/perl -w
# -*- perl -*-
#
# $Id: $
# Author: Slaven Rezic
#
use strict;
use Config qw(%Config);
BEGIN {
if (!eval q{
use Test::More;
1;
}) {
print "1..0 # skip no Test::More module\n";
exit;
}
}
BEGIN {
if (!defined $Config{sig_name}) {
print "1..0 # skip No signals on this system?\n";
exit;
}
if ($Config{sig_name} !~ m{\bUSR2\b}) {
print "1..0 # skip signal USR2 is not available on this system\n";
exit;
}
}
use Tk;
plan tests => 1;
my $caught_USR2 = 0;
$SIG{USR2} = sub { $caught_USR2++ };
my $mw = tkinit;
$mw->geometry("+0+0");
$mw->Label(-text => "Waiting for USR2 signals...")->pack;
$mw->idletasks;
my $ppid = $$;
if (fork == 0) {
kill USR2 => $ppid;
select undef,undef,undef,0.2;
kill USR2 => $ppid;
require POSIX;
POSIX::_exit(0);
}
$mw->after(500, sub { $mw->destroy });
MainLoop;
is($caught_USR2, 2, "Caught USR2 signal exactly two times");
__END__
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