Diff for /loncom/lond between versions 1.325 and 1.326

version 1.325, 2006/05/11 17:53:22 version 1.326, 2006/05/13 01:31:15
Line 1051  sub _do_hash_untie { Line 1051  sub _do_hash_untie {
     sub _locking_hash_tie {      sub _locking_hash_tie {
  my ($file_prefix,$namespace,$how,$loghead,$what) = @_;   my ($file_prefix,$namespace,$how,$loghead,$what) = @_;
   
   # is this locked by an external program?
   
           if (-e "$file_prefix.db.lock") {
       my $failed=0;
       eval {
    local $SIG{__DIE__}='DEFAULT';
    local $SIG{ALRM}=sub { 
       $failed=1;
       die("failed lock");
    };
    alarm(2*$lond_max_wait_time);
    while (-e "$file_prefix.db.lock") {}
    alarm(0);
       };
       if ($failed) {
    $! = 100; # throwing error # 100
    return undef;
       }
    }
   
   # is this archived?
   
           if (-e "$file_prefix.db.gz") {
   # lock immediately
       open(TOUCH,">>$file_prefix.db.lock");
      close(TOUCH);
              system("gunzip $file_prefix.db.gz");
      if (-e "$file_prefix.hist.gz") {
          system("gunzip $file_prefix.hist.gz");
      }
   # all set, unlock
              unlink("$file_prefix.db.lock");
          }
   
   
  my ($lock);   my ($lock);
           
  if ($how eq &GDBM_READER()) {   if ($how eq &GDBM_READER()) {

Removed from v.1.325  
changed lines
  Added in v.1.326


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