Messages in this thread | | | From | Gabriel Paubert <> | Date | Fri, 2 Jul 2004 09:37:06 +0200 | Subject | Re: [OT] Testing PROT_NONE and other protections, and a surprise |
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On Thu, Jul 01, 2004 at 10:43:05AM -0400, Kyle Moffett wrote: > On Jul 01, 2004, at 08:39, Jamie Lokier wrote: > >The error code is -1, aka. MAP_FAILED. > Oops! I guess I was just lucky that part didn't fail :-D On the other > hand, it > couldn't legally return 0 anyway, could it? That would have been a > slightly > more sensible error code, IMHO, anyway, but it probably came from some > silly standard somewhere.
It can, but only if you explicitly ask for it (MAP_FIXED with 0 as an address), and it is very useful for DOS emulators.
Cheers, Gabriel - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
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