Add ruby test

[gruntmaster-daemon.git] / gruntmaster-exec

diff --git a/gruntmaster-exec b/gruntmaster-exec
index a4ae94d4ce0335575dd4dcfa50b7a208078a1a69..5235e8e5ed3430fa06b37a73a8bc5304c78d54ae 100755 (executable)
--- a/gruntmaster-exec
+++ b/gruntmaster-exec
@@ -19,29 +19,49 @@ use constant +{
        REJ => 10,
 };
 
-use BSD::Resource qw/setrlimit RLIMIT_AS RLIMIT_FSIZE/;
+use BSD::Resource qw/setrlimit RLIMIT_AS RLIMIT_FSIZE RLIMIT_NPROC/;
 use IPC::Signal qw/sig_name sig_num/;
 use sigtrap qw/XFSZ/;
 
 use Getopt::Long;
 use POSIX qw//;
+use Text::ParseWords qw/shellwords/;
 use Time::HiRes qw/alarm/;
 
-my (@fds, $timeout, $mlimit, $olimit);
+my (@fds, $timeout, $mlimit, $olimit, $sudo, $keep_stderr);
+
 GetOptions(
-       "fd=s"      => \@fds,
-       "timeout=f" => \$timeout,
-       "mlimit=i"  => \$mlimit,
-       "olimit=i"  => \$olimit,
+       "fd=s"         => \@fds,
+       "timeout=f"    => \$timeout,
+       "mlimit=i"     => \$mlimit,
+       "olimit=i"     => \$olimit,
+       "keep-stderr!" => \$keep_stderr,
+       "sudo!"        => \$sudo,
 );
 
+my $killuser = $ENV{GRUNTMASTER_KILL_USER};
+my @sudo;
+@sudo = (shellwords ($ENV{GRUNTMASTER_SUDO}), '--') if $ENV{GRUNTMASTER_SUDO} && $sudo;
+undef $mlimit if @sudo; # sudo wants a lot of address space
+
 my $ret = fork // die 'Cannot fork';
 if ($ret) {
        my $tle;
-       local $SIG{ALRM} = sub { kill KILL => $ret; $tle = 1};
-       alarm ($timeout || 5);
+       local $SIG{ALRM} = sub {
+               if ($killuser) {
+                       system @sudo, 'pkill', '-KILL', '-u', $killuser;
+               } else {
+                       kill KILL => $ret
+               }
+               $tle = 1
+       };
+       alarm ($timeout || 10);
        waitpid $ret, 0;
        alarm 0;
+       if (@sudo) {
+               $? = $? >> 8;
+               $? = $? < 128 || $? > 128+32 ? ($? << 8) : $? - 128;
+       }
        my $sig = $? & 127;
        my $signame = sig_name $sig;
        exit !say TLE,  "\nTime Limit Exceeded"   if $tle;
@@ -51,7 +71,8 @@ if ($ret) {
        exit !say AC,   "\nAll OK";
 } else {
        $^F = 50;
-       POSIX::close $_ for 0 .. $^F;
+       POSIX::close 2 unless $keep_stderr;
+       POSIX::close $_ for 0, 1, 3 .. $^F;
        for my $fdstring (@fds) {
                my ($fd, $file) = split ' ', $fdstring, 2;
                open my $fh, $file or die $!;
@@ -61,11 +82,17 @@ if ($ret) {
                        POSIX::close $oldfd or die $!;
                }
        }
+       my $nproc = $killuser ? 15 : 1;
+       my $debug = $ENV{TEST_VERBOSE};
        %ENV = (ONLINE_JUDGE => 1, PATH => $ENV{PATH}, HOME => $ENV{HOME});
        setrlimit RLIMIT_AS, $mlimit, $mlimit or die $! if $mlimit;
        setrlimit RLIMIT_FSIZE, $olimit, $olimit or die $! if $olimit;
-       POSIX::setgid 65534; # Set group id to nogroup
-       POSIX::setuid 65534; # Set user id to nobody
+       setrlimit RLIMIT_NPROC, $nproc, $nproc or die $! if $sudo;
+       open my $adj, '>', '/proc/self/oom_score_adj';
+       print $adj 900;
+       close $adj;
+       unshift @ARGV, @sudo;
+       say STDERR "Executing: ", join ' ', map { "'$_'" } @ARGV if $debug;
        exec @ARGV;
 }