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Followup to:  <>
By author: Pavel Machek <>
In newsgroup:
> There's a bigger error. Imagine me redesigning some code. Aha - but
> how can I know if someone depends on this code not blocking?
> It may be nice idea to add /* Must not block */ comment to every
> function that may not block... Anyone who has more knowledge than me
> volunteering?

Maybe we could get a gcc hack using the __attribute__(())
mechanism... say __attribute__((no_block)); any routine marked
nonblocking would print a warning if it called a blocking routine. I
understand this is a mechanism already build into gcc to support
various system-dependent hacks...

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