[Xcb] [Bug 45776] all X programs hanging in libxcb on GNU/kFreeBSD

[bugzilla-daemon at freedesktop.org]

https://bugs.freedesktop.org/show_bug.cgi?id=45776

--- Comment #3 from Julien Cristau <jcristau at debian.org> 2012-02-08 11:43:43 PST ---
> --- Comment #2 from Christoph Egger <christoph at debian.org> 2012-02-08 11:30:26 PST ---
> Hi!
> 
> I the following patch fixes the problem for me (as well does reverting from
> recv to read. I'll see if I can work out why it fails here without the patch
> with debian-bsd at lists.debian.org folks.
> 
> recv seems to fail (loop) with "Resource temporarily unavailable" (ret=-1,
> errno=35) according to ktrace
> 
> http://people.debian.org/~christoph/libxcb.diff
> 
The MSG_WAITALL addition looks very wrong to me.  The commit message
doesn't explain it, and it's replacing a plain read() which should be
equivalent to a recv() with flags == 0, *not* MSG_WAITALL.

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