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.
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