[mercury-users] multi threading problem

Ralph Becket rafe at cs.mu.OZ.AU
Wed Dec 4 14:30:40 AEDT 2002


Pieter Laeremans, Wednesday,  4 December 2002:
> Hi,
> 
> I've got a multi threading problem.
[...]
> 
> Inside test pred 1
> Inside test pred 2
> Inside test pred 2
> Inside test pred 1
> ....
> 
> 
> But it does not. My terminal stays blank, and the program isn't
> consuming any cpu. Does anyone has some explanation for this ?

I notice that none of your IO statements prints a newline or
calls io__flush_output/2.

I suspect your program will eventually cause something to be displayed
once the output buffer fills up.  But that'll take some time with this
program.

Add in a few "\n"s to the end of the output strings or include calls
to io__flush_output/2 and see if the problem goes away.

- Ralph
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