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Diff for /loncom/lonmaxima between versions 1.35 and 1.42

version 1.35, 2007/11/09 18:51:10 version 1.42, 2013/07/04 11:44:44
Line 134  sub catchexception { Line 134  sub catchexception {
   
 sub child_announce_death {  sub child_announce_death {
     $SIG{USR1} = \&child_announce_death;      $SIG{USR1} = \&child_announce_death;
     $extra_children++;      if ($extra_children < $PREFORK*10) {
    $extra_children++;
       }
 }  }
   
 # ---------------------------------------------------------------- Main program  # ---------------------------------------------------------------- Main program
Line 257  sub make_new_child { Line 259  sub make_new_child {
   
         &logthis('New process started');          &logthis('New process started');
   
         my $command=Expect->spawn('maxima');          my $command = new Expect();
           $command->log_stdout(0);
           #$command->log_file("$execdir/logs/lonmaxima.session.log");
           $command->spawn('maxima');
           &getmaximaoutput($command, 2); # wait for maxima to finish initialization
  # soft/hard_close can take awhile and we really   # soft/hard_close can take awhile and we really
         # don't care we just want it gone          # don't care we just want it gone
  $SIG{INT} = sub {   $SIG{INT} = sub {
Line 266  sub make_new_child { Line 272  sub make_new_child {
     exit;       exit; 
  };   };
   
  $command->log_stdout(0);  
  #$command->log_file("$execdir/logs/lonmaxima.session.log");  
         &sync($command);  
   
         for (my $i=0; $i < $MAX_CLIENTS_PER_CHILD; $i++) {          for (my $i=0; $i < $MAX_CLIENTS_PER_CHILD; $i++) {
             &status('Accepting connections');              &status('Accepting connections');
             my $client = $server->accept()     or last;              my $client = $server->accept()     or last;
             print $command ("display2d:false;kill(all);\n");              &sync($command);
               print $command ("display2d:false;simp:true;kill(all);\n");
     &getmaximaoutput($command,2);      &getmaximaoutput($command,2);
             &sync($command);              &sync($command);
             my $syntaxerr = 0;              my $syntaxerr = 0;
Line 299  sub make_new_child { Line 303  sub make_new_child {
  kill('USR1' => $ppid);   kill('USR1' => $ppid);
  print $command ("quit();\n");   print $command ("quit();\n");
         # tidy up gracefully and finish          # tidy up gracefully and finish
    sleep(15);
         $command->soft_close();          $command->soft_close();
   
         # this exit is VERY important, otherwise the child will become          # this exit is VERY important, otherwise the child will become
Line 333  sub getmaximaoutput { Line 337  sub getmaximaoutput {
         if ($numcheck eq 2) {          if ($numcheck eq 2) {
     # command was the killall so should get a full reset on      # command was the killall so should get a full reset on
     # command numbers      # command numbers
     $regexp = '(\(\%i(1)\)|Incorrect syntax\:)';      $regexp = '(\(\%i(1)\)|[Ii]ncorrect syntax\:)';
  } elsif ($command->match() =~ /\(\%i(\d+)\)/) {   } elsif ($command->match() =~ /\(\%i(\d+)\)/) {
             my $nextmatch = $1+1;              my $nextmatch = $1+1;
             $regexp = '(\(\%i'.$nextmatch.'\)|Incorrect syntax\:)';              $regexp = '(\(\%i'.$nextmatch.'\)|[Ii]ncorrect syntax\:)';
         }          }
     }      }
     my $timeout = 20;      my $timeout = 20;
     my (undef,$error,$matched,$output) =      my (undef,$error,$matched,$output) =
  $command->expect($timeout, -re => $regexp);   $command->expect($timeout, -re => $regexp);
   
     if ($numcheck && $matched eq 'Incorrect syntax:') {      if ($numcheck && lc($matched) eq 'incorrect syntax:') {
  $syntaxerr = 1;   $syntaxerr = 1;
  if (wantarray) {   if (wantarray) {
     return ($matched,$syntaxerr);      return ($matched,$syntaxerr);
Line 354  sub getmaximaoutput { Line 358  sub getmaximaoutput {
     if ($error) {      if ($error) {
  return 'Error: '.$error;   return 'Error: '.$error;
     }      }
     $output =~ s/\r+//g; # Remove Windows-style linebreaks      $output =~ s/\r+//gs; # Remove Windows-style linebreaks
     my $foundoutput=0;      my $foundoutput=0;
     my $found_label=0;      my $found_label=0;
     my $realoutput='';      my $realoutput='';
     foreach my $line (split(/\n/,$output)) {      foreach my $line (split(/\n/,$output)) {
        if ($line=~/\;/) { $foundoutput=1; next; }         if ($line=~/\;/) { $foundoutput=1; next; }
        if (!$foundoutput) { next; }         if (!$foundoutput) { next; }
        if ($line=~/^Incorrect syntax:/) { $syntaxerr = 1; next; }         if ($line=~/^[Ii]ncorrect syntax:/) { $syntaxerr = 1; next; }
        if ($line=~ /^(\(\%o\d+\))(.+)$/){         if ($line=~ /^(\(\%o\d+\))(.+)$/){
            my $label = $1;             my $label = $1;
            $line = $2;             $line = $2;
Removed from v.1.35  
changed lines
  Added in v.1.42

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