Thanks Allen, you're exactly right.  I'm charged with the task of finding
lots of nasties like that in our old code base where a number of things
were just hacked in down and dirty.  Our embeded environment moved from
XINU on an SH2/SH3 with no mmu support and a BSD protocol stack we hacked
in ourselves to Linux kernel, MIPS, and mmu.  Codeing standards truely
have had to step up a couple levels due to the growing complexity of the
environment, but eventually it will be worth the pain.

> 
> 
>       alarm(1)
>       [sudden swap frenzy]
>       alarm is delivered.. do nothing
>       read
> 
> blocks forever. You need to make clever use of siglongjmp to avoid that one
> occurring or use select/poll.
> 

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