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From Gerd Knops <ge...@bitart.com>
Subject Re: mod_cgi/2894: cgi triggers premature EOF to be sent to client
Date Tue, 08 Sep 1998 02:20:00 GMT
The following reply was made to PR mod_cgi/2894; it has been noted by GNATS.

From: Gerd Knops <gerti@bitart.com>
To: Marc Slemko <marcs@znep.com>, Craig Miskell <cmiskell@csarc.otago.ac.nz>
Cc: apbugs@hyperreal.org
Subject: Re: mod_cgi/2894: cgi triggers premature EOF to be sent to client
Date: Mon,  7 Sep 98 21:10:14 -0500

 Hello,
 
 I received an EMail from another person (Craig Miskell  
 <cmiskell@csarc.otago.ac.nz>) who is able to reproduce the problem on the  
 same platform. I also did some more tests and the problem is not related to  
 the 'sleep', any code that burns a little time can trickle the problem. Even  
 the test script added below triggers the problem on occasion, the error log  
 then reports
 
 	Signal: TERM
 	Signal: PIPE
 	Signal: PIPE
 	Signal: PIPE
 
 Craig suggested that the problem seems to occur at a 4096 byte boundary, and  
 also that only perl scripts seem to trigger it. Could it be some odd  
 combination of Apache/OPENSTEP 4.2/perl (5.004_02 in my case) that causes the  
 problem?
 
 As a side node: I have mod_perl compiled in, and when I run an identical  
 script handled by mod_perl the problem goes away.
 
 If you could provide any pointers as to where to start looking in the code  
 for the cause I'd gladly give it a try.
 
 Thanks
 
 Gerd
 
 ---------------cut---------------
 #!/usr/local/bin/perl -w
 
 foreach (keys %SIG)
 {
 	$SIG{$_}=\&tell;
 }
 
 
 $|=1;
 print "Content-type: text/html\n\n<HTML>\n</HEAD>\n<BODY>\n";
 
 $t="The quick brown fox jumps over the lazy dog<BR>\n";
 
 for($i=0;$i<200;$i++)
 {
 	if($i%10==0)
 	{
 		print "$i-s<BR>\n";
 	}
 	print $t;
 }
 
 print "END<BR>\n</BODY>\n";
 
 
 sub tell
 {
 	print STDERR "Signal: ",shift,"\n";
 }

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