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Date: Thu, 19 Apr 2012 21:47:25 -0400
From: Rich Felker <>
Subject: Re: preadv/pwritev (GNU/BSD) missing from sys/uio.h

On Thu, Apr 19, 2012 at 06:20:50PM -0700, Isaac Dunham wrote:
> I was examining sys/uio.h (to add _BSD_SOURCE), and found that 
> glibc makes the preadv and pwritev functions available if __USE_BSD
> is defined (_GNU_SOURCE || _BSD_SOURCE).
> These have the same relation to readv and writev that pread and pwrite
> have to read and write.
> Will these be implemented?

Yes, I'm aware of them but just never got around to implementing the
syscall wrappers. I'll add them eventually.


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