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#!perl -w
# We assume that TestInit has been used.
BEGIN {
require './test.pl';
}
use strict;
use Config;
plan tests => 13;
watchdog(10);
$SIG{ALRM} = sub {
die "Alarm!\n";
};
pass('before the first loop');
alarm 2;
eval {
1 while 1;
};
is($@, "Alarm!\n", 'after the first loop');
pass('before the second loop');
alarm 2;
eval {
while (1) {
}
};
is($@, "Alarm!\n", 'after the second loop');
SKIP: {
skip('We can\'t test blocking without sigprocmask', 9) if $ENV{PERL_CORE_MINITEST} || !$Config{d_sigprocmask};
require POSIX;
my $new = POSIX::SigSet->new(&POSIX::SIGUSR1);
POSIX::sigprocmask(&POSIX::SIG_BLOCK, $new);
my $gotit = 0;
$SIG{USR1} = sub { $gotit++ };
kill SIGUSR1, $$;
is $gotit, 0, 'Haven\'t received third signal yet';
my $old = POSIX::SigSet->new();
POSIX::sigsuspend($old);
is $gotit, 1, 'Received third signal';
{
kill SIGUSR1, $$;
local $SIG{USR1} = sub { die "FAIL\n" };
POSIX::sigprocmask(&POSIX::SIG_BLOCK, undef, $old);
ok $old->ismember(&POSIX::SIGUSR1), 'SIGUSR1 is blocked';
eval { POSIX::sigsuspend(POSIX::SigSet->new) };
is $@, "FAIL\n", 'Exception is thrown, so received fourth signal';
POSIX::sigprocmask(&POSIX::SIG_BLOCK, undef, $old);
ok $old->ismember(&POSIX::SIGUSR1), 'SIGUSR1 is still blocked';
}
kill SIGUSR1, $$;
is $gotit, 1, 'Haven\'t received fifth signal yet';
POSIX::sigprocmask(&POSIX::SIG_UNBLOCK, $new, $old);
ok $old->ismember(&POSIX::SIGUSR1), 'SIGUSR1 was still blocked';
is $gotit, 2, 'Received fifth signal';
# test unsafe signal handlers in combination with exceptions
my $action = POSIX::SigAction->new(sub { $gotit--, die }, POSIX::SigSet->new, 0);
POSIX::sigaction(&POSIX::SIGALRM, $action);
eval { alarm 1; POSIX::sigsuspend(POSIX::SigSet->new) } for 1..2;
is $gotit, 0, 'Received both signals';
}
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