Hi
to all
I have made separate display connection to Xserver for each thread
but this is working fine sometimes not always .sometime it fail
when i invoke the dialog .
can anybody help me to resolve this issues .
Thanks
Each call to XOpenDisplay opens a new communication socket to
> the X-server. Commands sent through this socket need to be serialized.
> If you have two threads trying to send data at the same time through
> the same socket they will corrupt each other's data. XInitThreads
> enables a lock around the Xlib code that accesses the socket so
> that only one thread can send data through the socket at a time.
> This generally works fine except that if you pause one thread while
> it is in Xlib and has already taken the lock, it will prevent any other
> thread from entering Xlib and taking the lock. Separate display
> connections for each thread are the solution to that.
>
> Mark.
>
>
> On Wed, 1 Feb 2006 niranjan@xxxxxxxxxxxxxxxxx wrote:
>
>> Hi
>> u have given a good suggestion but I dont understand if the
>> pausing thread block any other thread trying to use the
>> Xlib with the same display connection then why it is working
>> fine sometimes .
>> Thanks
>>
>> Separate threads either need to use separate display
>> > connections or you need to enable thread mutexes for a shared
>> > connection (XInitThreads will enable Xlib's internal mutexes).
>> > Note still, that pausing a thread while it's in Xlib can block
>> > any other threads also trying to use Xlib with the same display
>> > connection. You'd want to use separate display connections
>> > for that.
>> >
>> > Mark.
>> >
>> > On Tue, 31 Jan 2006 niranjan@xxxxxxxxxxxxxxxxx wrote:
>> >
>> >> Hi to all
>> >>
>> >>
>> >> Iam building an kde Application When I pause the current pthread and
>> >> invoke an dialog in another thread the following error is
>> coming .
>> >>
>> >> Xlib : unexpected async reply
>> >> Xlib : sequence lost (0x1718e > 0x71a0) in reply to 0x0!
>> >> X Error : BadImplementation (server does not implement opertaion) 17
>> >> Major opcode : 20
>> >> MInor opcode : 0
>> >> Resource id : 0x759d1
>> >> The error is coming randomly , not always .
>> >> Can any will help how to come out of this error .
>> >>
>> >>
>> >> Thanks
>> >> _______________________________________________
>> >>
>> >> Devel@xxxxxxxxxxx
>> >> http://XFree86.Org/mailman/listinfo/devel
>> >>
>> > _______________________________________________
>> >
>> > Devel@xxxxxxxxxxx
>> > http://XFree86.Org/mailman/listinfo/devel
>> >
>>
>> _______________________________________________
>>
>> Devel@xxxxxxxxxxx
>> http://XFree86.Org/mailman/listinfo/devel
>>
> _______________________________________________
>
> Devel@xxxxxxxxxxx
> http://XFree86.Org/mailman/listinfo/devel
>
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