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Re: [Qemu-devel] [PATCH 2/9] struct iovec is now universally available


From: M. Warner Losh
Subject: Re: [Qemu-devel] [PATCH 2/9] struct iovec is now universally available
Date: Wed, 15 Apr 2009 11:44:50 -0600 (MDT)

In message: <address@hidden>
            Christoph Hellwig <address@hidden> writes:
: On Wed, Apr 15, 2009 at 05:29:22PM +0100, Mark McLoughlin wrote:
: > struct iovec is now defined in qemu-common.h if needed, so we don't need
: > the tap code to handle !defined(HAVE_IOVEC).
: 
: But is the writev system call also universally available?

>From FreeBSD's writev man page:

The writev() system call appeared in 4.2BSD.  The write() function
appeared in Version 6 AT&T UNIX.

Warner




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