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#!./perl
# Tests for signal emulation
BEGIN {
chdir 't' if -d 't';
@INC = '../lib';
# only used for skip_all, the forking confuses test.pl
require "./test.pl";
}
BEGIN {
unless ($^O =~ /^MSWin/) {
skip_all('windows specific test');
}
}
skip_all("requires compilation with the fork emulation")
unless $Config{'d_pseudofork'};
++$|;
# manual test counting because the forks confuse test.pl
print "1..4\n";
use Config;
# find a safe signal, the implementation shouldn't be doing anything
# funky with NUMdd signals
my ($sig) = grep /^NUM/, split ' ', $Config{sig_name};
# otherwise, hope CONT is safe
$sig ||= "CONT";
SKIP:
{
# perl #85104
use warnings;
my $pid = fork;
unless (defined $pid) {
print <<EOS;
not ok 1 # fork failed: $!
ok 2 # SKIP
ok 3 # SKIP
ok 4 # SKIP
EOS
last SKIP;
}
if ($pid) {
print "ok 1 # pseudo-forked\n";
sleep 2; # give the child a chance to setup
kill $sig, $pid;
waitpid($pid, 0);
}
else {
my $signalled;
$SIG{$sig} = sub {
$! = 1;
$^E = 1000;
print "ok 2 # $sig signal handler called\n";
++$signalled;
};
$! = 0;
$^E = 0;
# wait for the signal
my $count = 0;
while (!$signalled && ++$count < 10) {
sleep 1;
}
print "# signaled after $count loops\n";
print $! != 0 ? "not " : "", "ok 3 # \$! preserved\n";
print $^E != 0 ? "not " : "", "ok 4 # \$^E preserved\n"
or print STDERR "# \$^E = ", 0+$^E, "\n";
exit;
}
}
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