128 window limit

Stuart Kreitman Stuart.Kreitman at Sun.COM
Fri Jun 3 07:03:21 PDT 2005

Paul Collins wrote:

>On 2005Jun03 09h06 IST, Brad Best wrote:
>>I've been trying for some time to find out how to change the max. number of
>>open windows in an X session, to no avail.
>>I have multiple 9-head workstations (with ATI Radeon 7000 PCI cards) set up
>>with Xinerama (which by the way works beautifully), but would like to be
>>to open more than 128 windows/programs (with all that room, it doesn't take
>>long to hit the limit).  I've looked through the config
>>files and some of the source code and also searched mailing lists etc., but
>>I can't seem to find any information?  Am I missing something
>>obvious/trivial, or is this not possible, or...?
>You may be able to increase the MAX_CLIENTS define.  I think there was
>some discussion about this and potential pitfalls on the list some time
>ago, although I cannot find the relevant messages now.
Takes more than a macro. 128 clients is a 4x32 word select mask.
We bumped up to 1024 clients in the Solaris X server, but it takes some work
to run efficiently.  I will look into permission to port it over.


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