# We assume that TestInit has been used.
BEGIN {
+ chdir 't' if -d 't';
require './test.pl';
}
use strict;
use Config;
-plan tests => 13;
+plan tests => 29;
+$| = 1;
-watchdog(10);
+watchdog(25);
$SIG{ALRM} = sub {
die "Alarm!\n";
is($@, "Alarm!\n", 'after the second loop');
SKIP: {
- skip('We can\'t test blocking without sigprocmask', 9) if $ENV{PERL_CORE_MINITEST} || !$Config{d_sigprocmask};
+ skip('We can\'t test blocking without sigprocmask', 17)
+ if is_miniperl() || !$Config{d_sigprocmask};
+ skip("This doesn\'t work on $^O threaded builds RT#88814", 17)
+ if ($^O =~ /cygwin/ && $Config{useithreads});
+ skip("This doesn\'t work on $^O version $Config{osvers} RT#88814", 17)
+ if ($^O eq "openbsd" && $Config{osvers} < 5.2);
require POSIX;
+ my $pending = POSIX::SigSet->new();
+ is POSIX::sigpending($pending), '0 but true', 'sigpending';
+ is $pending->ismember(&POSIX::SIGUSR1), 0, 'SIGUSR1 is not pending';
my $new = POSIX::SigSet->new(&POSIX::SIGUSR1);
POSIX::sigprocmask(&POSIX::SIG_BLOCK, $new);
my $gotit = 0;
$SIG{USR1} = sub { $gotit++ };
- kill SIGUSR1, $$;
+ kill 'SIGUSR1', $$;
is $gotit, 0, 'Haven\'t received third signal yet';
+
+ diag "2nd sigpending crashes on cygwin" if $^O eq 'cygwin';
+ is POSIX::sigpending($pending), '0 but true', 'sigpending';
+ is $pending->ismember(&POSIX::SIGUSR1), 1, 'SIGUSR1 is pending';
my $old = POSIX::SigSet->new();
POSIX::sigsuspend($old);
is $gotit, 1, 'Received third signal';
+ is POSIX::sigpending($pending), '0 but true', 'sigpending';
+ is $pending->ismember(&POSIX::SIGUSR1), 0, 'SIGUSR1 is no longer pending';
{
- kill SIGUSR1, $$;
+ kill 'SIGUSR1', $$;
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);
+TODO:
+ {
+ local $::TODO = "Needs investigation" if $^O eq 'VMS';
ok $old->ismember(&POSIX::SIGUSR1), 'SIGUSR1 is still blocked';
+ }
}
- kill SIGUSR1, $$;
+ POSIX::sigprocmask(&POSIX::SIG_BLOCK, $new);
+ kill 'SIGUSR1', $$;
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 $gotit, 0, 'Received both signals';
+
+ SKIP: {
+ # #89718: on old linux kernels, this test hangs. No-ones thought
+ # of a reliable way to probe for this, so for now, just skip the
+ # tests on production releases
+ skip("some OSes hang here", 3) if (int($]*1000) & 1) == 0;
+
+ SKIP: {
+ skip("Issues on Android", 3) if $^O =~ /android/;
+ my $action = POSIX::SigAction->new(sub { $gotit--, die }, POSIX::SigSet->new, 0);
+ POSIX::sigaction(&POSIX::SIGALRM, $action);
+ eval {
+ alarm 1;
+ my $set = POSIX::SigSet->new;
+ POSIX::sigprocmask(&POSIX::SIG_BLOCK, undef, $set);
+ is $set->ismember(&POSIX::SIGALRM), 0, "SIGALRM is not blocked on attempt $_";
+ POSIX::sigsuspend($set);
+ } for 1..2;
+ is $gotit, 0, 'Received both signals';
+ }
+}
+}
+
+SKIP: {
+ skip("alarm cannot interrupt blocking system calls on $^O", 2)
+ if $^O =~ /MSWin32|cygwin|VMS/;
+ # RT #88774
+ # make sure the signal handler's called in an eval block *before*
+ # the eval is popped
+
+ $SIG{'ALRM'} = sub { die "HANDLER CALLED\n" };
+
+ eval {
+ alarm(2);
+ select(undef,undef,undef,10);
+ };
+ alarm(0);
+ is($@, "HANDLER CALLED\n", 'block eval');
+
+ eval q{
+ alarm(2);
+ select(undef,undef,undef,10);
+ };
+ alarm(0);
+ is($@, "HANDLER CALLED\n", 'string eval');
+}
+
+eval { $SIG{"__WARN__\0"} = sub { 1 } };
+like $@, qr/No such hook: __WARN__\\0 at/, q!Fetching %SIG hooks with an extra trailing nul is nul-clean!;
+
+eval { $SIG{"__DIE__\0whoops"} = sub { 1 } };
+like $@, qr/No such hook: __DIE__\\0whoops at/;
+
+{
+ use warnings;
+ my $w;
+ local $SIG{__WARN__} = sub { $w = shift };
+
+ $SIG{"KILL\0"} = sub { 1 };
+ like $w, qr/No such signal: SIGKILL\\0 at/, 'Arbitrary signal lookup through %SIG is clean';
+}
+
+# [perl #45173]
+{
+ my $int_called;
+ local $SIG{INT} = sub { $int_called = 1; };
+ $@ = "died";
+ is($@, "died");
+ kill 'INT', $$;
+ # this is needed to ensure signal delivery on MSWin32
+ sleep(1);
+ is($int_called, 1);
+ is($@, "died");
}