Re: sendfile in darwin

[Dirk-Willem van Gulik]

On May 7, 2008, at 11:58 PM, Geoff Greer wrote:

2. httpd on OS X sometimes hangs for a couple seconds. This could have
many causes, including a kernel bug. I don't know what version of  
apr and
httpd Dirk was using, but anything outside the 1.3 branch or trunk  
on 10.5
has sendfile disabled  on OS X. On IRC he mentioned people complaining
about this bug in the wild, which seems unusual considering how  
recent the

The reports are very old - from 2.0 onwards; it was just the very  
first time that I saw it myself personally on my own equipment (up  
until know I always assumed it was a user error - or when I asked  
people to walk me through reproducing it - we never managed - despite  
their spirent/avalance/webtrend data looking fairly 'real'). Note that  
it  affects freebsd and solaris as much as far as I know.

So we're looking at two different bugs most propably. One easy to  
trigger on macosx and a more complex older bug - which happens to look  
the same. So cried victory too early.

code is. It would be nice if there was a test case for this that  
wasn't as
complicated as running httpd and getting a file. I'm on 10.5 and  
I've been
running httpd 2.2.8 compiled with apr and apr-util from a recent  
version
of trunk without any issues, but my macbook isn't exactly a high-load
production machine.


Given that the halt is 2-5 seconds - should not matter.

Dw