Re: detecting mmap?

[Bruce Korb]

Donn Terry wrote:
 
> I've run across at least a couple of real-world examples where mmap()
> (either without
> MAP_PRIVATE at all or limited to prior mmap()ed addresses) is still
> quite useful.  (In
> fact, the applications run just fine.)  I'll have to refresh myself on
> which ones; that
> was some time ago.

Assuming you meant "FIXED", the worst wart I've bumped into is when
I have wanted to mmap a text file that happens to be a multiple of
the page size.  strlen() seg faults.  It takes some contortions to
mmap an anonymous page after the valid file data.  Ick.