diff options
| -rw-r--r-- | t/spawn.t | 34 |
1 files changed, 29 insertions, 5 deletions
@@ -185,18 +185,42 @@ SKIP: { require BSD::Resource; defined(BSD::Resource::RLIMIT_CPU()) } or skip 'BSD::Resource::RLIMIT_CPU missing', 3; - my ($r, $w); - pipe($r, $w) or die "pipe: $!"; - my $cmd = ['sh', '-c', 'while true; do :; done']; + my $cmd = [ $^X, ($^W ? ('-w') : ()), '-e', <<'EOM' ]; +use POSIX qw(:signal_h); +use BSD::Resource qw(times); +use Time::HiRes qw(time); # gettimeofday +my $set = POSIX::SigSet->new; +$set->emptyset; # spawn() defaults to blocking all signals +sigprocmask(SIG_SETMASK, $set) or die "SIG_SETMASK: $!"; +my $tot = 0; +$SIG{XCPU} = sub { print "SIGXCPU $tot\n"; exit(1) }; +my $next = time + 1.1; +while (1) { + # OpenBSD needs some syscalls (e.g. `times', `gettimeofday' + # and `write' (via Perl warn)) on otherwise idle systems to + # hit RLIMIT_CPU and fire signals: + # https://marc.info/?i=02A4BB8D-313C-464D-845A-845EB6136B35@gmail.com + my @t = times; + $tot = $t[0] + $t[1]; + if (time > $next) { + warn "# T: @t (utime, ctime, cutime, cstime)\n"; + $next = time + 1.1; + } +} +EOM + pipe(my($r, $w)) or die "pipe: $!"; my $fd = fileno($w); - my $opt = { RLIMIT_CPU => [ 1, 1 ], RLIMIT_CORE => [ 0, 0 ], 1 => $fd }; + my $opt = { RLIMIT_CPU => [ 1, 9 ], RLIMIT_CORE => [ 0, 0 ], 1 => $fd }; my $pid = spawn($cmd, undef, $opt); close $w or die "close(w): $!"; my $rset = ''; vec($rset, fileno($r), 1) = 1; ok(select($rset, undef, undef, 5), 'child died before timeout'); is(waitpid($pid, 0), $pid, 'XCPU child process reaped'); - isnt($?, 0, 'non-zero exit status'); + my $line; + like($line = readline($r), qr/SIGXCPU/, 'SIGXCPU handled') or + diag explain($line); + is($? >> 8, 1, 'non-zero exit status'); } SKIP: { |