Diff for /loncom/lond between versions 1.27 and 1.29

version 1.27, 2000/12/05 19:45:36 version 1.29, 2000/12/06 18:05:51
Line 39  sub catchexception { Line 39  sub catchexception {
     die($error);      die($error);
 }  }
   
 # grabs exception and records it to log before exiting  
 # NOTE: we must NOT use the regular (non-overrided) die function in  
 # the code because a handler CANNOT be attached to it  
 # (despite what some of the documentation says about SIG{__DIE__}.  
   
 sub catchdie {  
     my ($message)=@_;  
     $SIG{'QUIT'}='DEFAULT';  
     $SIG{__DIE__}='DEFAULT';  
     &logthis("<font color=red>CRITICAL: "  
      ."ABNORMAL EXIT. Child $$ for server $wasserver died through "  
      ."\_\_DIE\_\_ with this error msg->[$message]</font>");  
     if ($client) { print $client "error: $message\n"; }  
     die($message);  
 }  
   
 # -------------------------------- Set signal handlers to record abnormal exits  # -------------------------------- Set signal handlers to record abnormal exits
   
 $SIG{'QUIT'}=\&catchexception;  $SIG{'QUIT'}=\&catchexception;
Line 62  $SIG{__DIE__}=\&catchexception; Line 46  $SIG{__DIE__}=\&catchexception;
   
 # ------------------------------------ Read httpd access.conf and get variables  # ------------------------------------ Read httpd access.conf and get variables
   
 open (CONFIG,"/etc/httpd/conf/access.conf")  open (CONFIG,"/etc/httpd/conf/access.conf") || die "Can't read access.conf";
     || catchdie "Can't read access.conf";  
   
 while ($configline=<CONFIG>) {  while ($configline=<CONFIG>) {
     if ($configline =~ /PerlSetVar/) {      if ($configline =~ /PerlSetVar/) {
Line 82  if (-e $pidfile) { Line 65  if (-e $pidfile) {
    my $lfh=IO::File->new("$pidfile");     my $lfh=IO::File->new("$pidfile");
    my $pide=<$lfh>;     my $pide=<$lfh>;
    chomp($pide);     chomp($pide);
    if (kill 0 => $pide) { catchdie "already running"; }     if (kill 0 => $pide) { die "already running"; }
 }  }
   
 $PREFORK=4; # number of children to maintain, at least four spare  $PREFORK=4; # number of children to maintain, at least four spare
   
 # ------------------------------------------------------------- Read hosts file  # ------------------------------------------------------------- Read hosts file
   
 open (CONFIG,"$perlvar{'lonTabDir'}/hosts.tab")  open (CONFIG,"$perlvar{'lonTabDir'}/hosts.tab") || die "Can't read host file";
     || catchdie "Can't read host file";  
   
 while ($configline=<CONFIG>) {  while ($configline=<CONFIG>) {
     my ($id,$domain,$role,$name,$ip)=split(/:/,$configline);      my ($id,$domain,$role,$name,$ip)=split(/:/,$configline);
Line 107  $server = IO::Socket::INET->new(LocalPor Line 89  $server = IO::Socket::INET->new(LocalPor
                                 Proto     => 'tcp',                                  Proto     => 'tcp',
                                 Reuse     => 1,                                  Reuse     => 1,
                                 Listen    => 10 )                                  Listen    => 10 )
   or catchdie "making socket: $@\n";    or die "making socket: $@\n";
   
 # --------------------------------------------------------- Do global variables  # --------------------------------------------------------- Do global variables
   
Line 290  sub ishome { Line 272  sub ishome {
   
 $fpid=fork;  $fpid=fork;
 exit if $fpid;  exit if $fpid;
 catchdie "Couldn't fork: $!" unless defined ($fpid);  die "Couldn't fork: $!" unless defined ($fpid);
   
 POSIX::setsid() or catchdie "Can't start new session: $!";  POSIX::setsid() or die "Can't start new session: $!";
   
 # ------------------------------------------------------- Write our PID on disk  # ------------------------------------------------------- Write our PID on disk
   
Line 331  sub make_new_child { Line 313  sub make_new_child {
     # block signal for fork      # block signal for fork
     $sigset = POSIX::SigSet->new(SIGINT);      $sigset = POSIX::SigSet->new(SIGINT);
     sigprocmask(SIG_BLOCK, $sigset)      sigprocmask(SIG_BLOCK, $sigset)
         or catchdie "Can't block SIGINT for fork: $!\n";          or die "Can't block SIGINT for fork: $!\n";
           
     catchdie "fork: $!" unless defined ($pid = fork);      die "fork: $!" unless defined ($pid = fork);
           
     if ($pid) {      if ($pid) {
         # Parent records the child's birth and returns.          # Parent records the child's birth and returns.
         sigprocmask(SIG_UNBLOCK, $sigset)          sigprocmask(SIG_UNBLOCK, $sigset)
             or catchdie "Can't unblock SIGINT for fork: $!\n";              or die "Can't unblock SIGINT for fork: $!\n";
         $children{$pid} = 1;          $children{$pid} = 1;
         $children++;          $children++;
         return;          return;
Line 348  sub make_new_child { Line 330  sub make_new_child {
           
         # unblock signals          # unblock signals
         sigprocmask(SIG_UNBLOCK, $sigset)          sigprocmask(SIG_UNBLOCK, $sigset)
             or catchdie "Can't unblock SIGINT for fork: $!\n";              or die "Can't unblock SIGINT for fork: $!\n";
   
         $tmpsnum=0;          $tmpsnum=0;
           
Line 565  sub make_new_child { Line 547  sub make_new_child {
                                   "LWP GET: $message for $fname ($remoteurl)");                                    "LWP GET: $message for $fname ($remoteurl)");
                              } else {                               } else {
                          if ($remoteurl!~/\.meta$/) {                           if ($remoteurl!~/\.meta$/) {
                                     my $ua=new LWP::UserAgent;
                                   my $mrequest=                                    my $mrequest=
                                    new HTTP::Request('GET',$remoteurl.'.meta');                                     new HTTP::Request('GET',$remoteurl.'.meta');
                                   my $mresponse=                                    my $mresponse=

Removed from v.1.27  
changed lines
  Added in v.1.29


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