Messages in this thread | | | Date | Sat, 13 Oct 2001 16:41:48 -0600 | From | Richard Gooch <> | Subject | Re: Security question: "Text file busy" overwriting executables but not shared libraries? |
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Jamie Lokier writes: > There are applications (GCC comes to mind) which are using mmap() to > read files now because it is measurably faster than read(), for > sufficiently large source files.
So? MAP_PRIVATE is just fine for these. The simple solution if you care about an edit in the middle of a compile is to have your editor write a new file and do an atomic rename. No half-and-half data problems, and the VM logic is kept simple (well, relative to what we have now;-).
Regards,
Richard.... Permanent: rgooch@atnf.csiro.au Current: rgooch@ras.ucalgary.ca - 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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