Martijn van Oosterhout <kleptog@svana.org> writes:
> Indeed, one of the things on my list is to remove all the lseeks in
> favour of pread. Halving the number of kernel calls has got to be worth
> something right? Portability is an issue ofcourse...
Being sure that it's not a pessimization is another issue. I note that
glibc will emulate these functions if the kernel doesn't have them;
which means you could be replacing one kernel call with three.
And I don't think autoconf has any way to determine whether a libc
function represents a native kernel call or not ...
regards, tom lane
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TIP 2: Don't 'kill -9' the postmaster
