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From
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SubjectRe: FIle IO Scatter/Gather.
Hi,

In article <074e01bf8612$96a062d0$161b10d4@intra.virus.ru>, "Peter
Zaitsev" <pz@spylog.ru> writes:

>> Those are not syscalls - they're part of glibc. The libc manual
>> documents those functions.

> Well in this case as I understand this will not help much to increase
> perfomance by reordering requests as glibc will probably just map it into
> standart read/write sequence. That's a pity:(

No, glibc will use threads transparently to execute the IOs
asynchronously to the calling process.

--Stephen

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