Re: MOD_INC_USE_COUNT

H. Peter Anvin (hpa@transmeta.com)
11 Nov 1997 11:29:07 GMT

Followup to: <19971110221845.14122@Elf.mj.gts.cz>
By author: Pavel Machek <pavel@Elf.mj.gts.cz>
In newsgroup: linux.dev.kernel
>
> 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...

-hpa

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