Re: mmap64() behaviour on 64-bit machines ?

From: Nicholas Miell
Date: Tue Nov 22 2005 - 15:21:05 EST

On Tue, 2005-11-22 at 08:34 -0800, Badari Pulavarty wrote:
> Hi,
> I am confused on the behaviour of mmap64() on 64-bit machines.
> When I run following simple program, I get SIGSEGV in memset().
> But if I replace mmap64() with mmap() - it works fine.
> I verified this on ppc64, em64t, amd64.
> Whats happening here ? Any clues ?

If I fix all the compiler warnings, it works for me.

Also, mmap/mmap64 return MAP_FAILED on failure, not 0, but the compiler
doesn't know to warn about that.

Nicholas Miell <nmiell@xxxxxxxxxxx>

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