On Mon, 2008-06-16 at 12:52 +0100, Jamie Lokier wrote:
> E.g. Calls to pread should _not_ be implemented as lseek+read+lseek on
> old kernels which don't have pread.  That leads to race conditions and
> corruption in some applications.  (I think this has really occurred,
> but I'm unable to find it now).

Likewise pselect(). You're right -- it can't always be emulated.

-- 
dwmw2

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