> I have some GHC-compiled programs that run OK under Sparc/Solaris but
> hang under x86/Linux. I'm using GHC 5.02.3 on both systems (although
> I've tried GHC 5.03.20020410 on Linux with the same failures). I'm
> debugging to narrow the problem down. My current suspicion is that
> closing the write end of a pipe is not always causing the read end to
> see end-of-file. Is there any strangeness relating to
> this--or perhaps
> with `threadWaitRead` on pipes--that anyone knows about? I sometimes
> use a pipe to have two GHC threads communicate within a
> single process.
Is it named pipes or anonymous pipes? There is weirdness to do with
FIFOs caused by different OSs implementing different semantics. I
wouldn't be surprised if there were differences in the behaviour of
unnamed pipes too.
See the FAQ and previous msgs on this list for info on the FIFO
problems.
Cheers,
Simon
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