--- loncom/lonmaxima 2007/05/26 16:00:30 1.29 +++ loncom/lonmaxima 2007/08/02 13:04:55 1.31 @@ -3,7 +3,7 @@ # The LearningOnline Network with CAPA # Connect to MAXIMA CAS # -# $Id: lonmaxima,v 1.29 2007/05/26 16:00:30 www Exp $ +# $Id: lonmaxima,v 1.31 2007/08/02 13:04:55 bisitz Exp $ # # Copyright Michigan State University Board of Trustees # @@ -237,7 +237,7 @@ sub make_new_child { return; } else { # Child can *not* return from this subroutine. - $SIG{INT} = 'DEFAULT'; # make SIGINT kill us as it did before + # unblock signals sigprocmask(SIG_UNBLOCK, $sigset) @@ -246,7 +246,15 @@ sub make_new_child { &logthis('New process started'); my $command=Expect->spawn('maxima'); - $command->log_stdout(0); + # soft/hard_close can take awhile and we really + # don't care we just want it gone + $SIG{INT} = sub { + my $pid = $command->pid(); + kill('KILL'=>$pid); + exit; + }; + + $command->log_stdout(0); #$command->log_file("$execdir/logs/lonmaxima.session.log"); &getmaximaoutput($command); @@ -338,9 +346,10 @@ sub getmaximaoutput { if ($line=~/\;/) { $foundoutput=1; next; } if (!$foundoutput) { next; } if ($line=~/^Incorrect syntax:/) { $syntaxerr = 1; next; } - (my $label, $line) = ($line=~ /^(\(\%o\d+\))(.+)$/); - if ($label) { - $label=~s/\S/ /g; + if ( $line=~ /^(\(\%o\d+\))(.+)$/){ + my $label = $1; + $line = $2; + $label =~s/\S/ /g; $line=$label.$line; } $realoutput.=$line."\n";