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BEGIN {
chdir 't' if -d 't';
@INC = '../lib' if -d '../lib' && -d '../ext';
require "./test.pl";
require Config; import Config;
}
use strict;
use warnings;
skip_all('no SysV semaphores on this platform') if !$Config{d_sem};
skip_all('SysV semaphore structures not detected')
if !$Config{d_semctl_semid_ds} && !$Config{d_semctl_semun};
my @warnings;
{
local $SIG{__WARN__} = sub { push @warnings, $_[0] };
local $SIG{SYS} = sub { skip_all("SIGSYS caught") } if exists $SIG{SYS};
my $test = (semctl(-1,0,0,0))[0];
ok(!defined $test, "erroneous semctl list slice yields undef");
}
is(scalar @warnings, 0, "no warnings from erroneous semctl list slice")
or diag("warnings found: @warnings");
done_testing;
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