Messages in this thread | | | From | "Martijn Sipkema" <> | Subject | Re: mmap specification - was: ... select specification | Date | Sat, 9 Oct 2004 22:10:04 +0100 |
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From: "Andries Brouwer" <aebr@win.tue.nl> > On Thu, Oct 07, 2004 at 07:30:53PM -0400, Kyle Moffett wrote: > > On Oct 07, 2004, at 18:46, Andries Brouwer wrote: > > >The POSIX text is clear to me, and Linux is compliant. > > >On the other hand, I have no idea what you try to say. > > > > >On Thu, Oct 07, 2004 at 06:32:43PM -0400, Kyle Moffett wrote: > > > > > >>>>"References within the address range starting at pa and continuing > > >>>>for len bytes to whole pages following the end of an object shall > > >>>>result in delivery of a SIGBUS signal." > > > > Reviewing this once more: > > > > >References within the address range starting at pa and continuing for > > >len bytes: > > range = {pa ... pa+len}; > > > > >To whole pages following the end of an object: > > range = {pa ... PAGE_ROUND_UP(pa+len)}; > > It is here you are wrong.
Indeed, I think Kyle took ``end of an object'' to mean the end of the mapping instead of the end of what is mapped, e.g. EOF in case of a file.
--ms
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