Messages in this thread | | | Date | Tue, 22 Apr 1997 17:05:25 +0200 (MESZ) | From | Kai Schulte <> | Subject | Re: mprotect |
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On Tue, 22 Apr 1997, John Carter wrote:
> I have just tried the example prog in the mprotect man page. Alas, it > freaks out with "Invalid Argument".
mprotect can only protect complete pages. It needs a starting address that is aligned with a page boundary and extends the specified length to the nearest multiple of the page size. Chances are that malloc will not return a page-aligned pointer, so it will probably be invalid.
Kai
PS: sorry for being off-topic on linux-gcc. The original posting should have gone to the kernel list, or rather to the author of the man page...
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