"async reply" error from Xlib in gtk

[Jignesh Shah <jigneshs contechsoftware com>]

hi,
I am developing an application using GTK+, Glade in which I am using 
threads. Application is used to collect the data from the hardware and 
display it in graphical form. Threads are used to collect the data and 
display it using graphical representation.

When application is executing, application gives the error message on 
terminal after few minutes "Xlib: unexpected async reply(0xXXXX)" where 
XXXX is any hex number. After that application stucks and doesn't 
reply.....mostly, main application thread is stucked and user created 
thread keeps running..so that collection of data from hardware and updation 
of graph keeps on. but due to problem in main thread, other user interface 
(Menu/Toolbar) is not working functionally and cannot be refresh.

In the solution of this problem, I came to know that this error comes due 
to async call to Xlib from thread...for this GTK functions need to be lock 
and unlock in thread/functions from thread....

Even gtk_main also needs to be thread safe.. I tried this one and put 
gtk_threads_enter / gtk_threads_leave for every gtk functions.
now this give lot of help, system keeps on running for many hours, but 
sometime it crashes after few hours, now it's time is totally random..

Regards,
Jignesh Shah
Software Engineer,
ETT (Embedded and Telecom Technologies),
Contech Software Ltd.
E-3/1,2,3, GIDC Electronics Estate,Sector - 25, Gandhinagar - 382 044, 
INDIA
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