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List:       apache-modperl
Subject:    Re: [mp2] $r->senfile() curiosity
From:       Stas Bekman <stas () stason ! org>
Date:       2004-06-29 22:56:52
Message-ID: 40E1F3B4.3030009 () stason ! org
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Stas Bekman wrote:
> Nicholas Studt wrote:
> 
>> I don't know if this is a bug, or if I don't understand how bucket
>> brigades work. I have some code which does the following:
>>
>> $r->print( "First" );
>> $r->sendfile( "/any/file" );
>> $r->print( "Last" );
>>
>> This Produces:
>>     <the contents of /any/file>
>>     First
>>     Last
>>     
>> I thought it should produce:
>>     First
>>     <the contents of /and/file>
>>     Last
>>
>> When I add an $r->rflush immediately before the sendfile the behavior is
>> as I expect, but should the rflush be required?
>>
>> I am running perl 5.8.3, httpd 2.0.49 and have seen this behavior in
>> 1.99_12 and 1.99_14.
> 
> 
> Yes, there is a discrepancy between print() and sendfile(), the latter, 
> implemented by Apache, has no idea we are buffering IO on the modperl 
> side. So it's probably a good idea to fix the modperl sendfile wrapper 
> to call rflush, to have it DWIM.

Now it's in cvs.

-- 
__________________________________________________________________
Stas Bekman            JAm_pH ------> Just Another mod_perl Hacker
http://stason.org/     mod_perl Guide ---> http://perl.apache.org
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