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Fix usage for soreceive(9) - uio must always be non-NULL.
MFC after: 1 week
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svn2git
2020-12-20 02:59:44 +00:00
svn path=/head/; revision=249412
@ -25,7 +25,7 @@
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.\"
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.\" $FreeBSD$
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.\"
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.Dd December 14, 2006
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.Dd April 12, 2013
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.Dt SOCKET 9
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.Os
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.Sh NAME
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@ -208,12 +208,19 @@ Data may be retrieved directly to kernel or user memory via the
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argument, or as an mbuf chain returned to the caller via
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.Fa mp0 ,
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avoiding a data copy.
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Only one of the
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The
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.Fa uio
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or
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.Fa mp0
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pointers may be
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must always be
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.Pf non- Dv NULL .
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If
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.Fa mp0
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is
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.Pf non- Dv NULL ,
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only the
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.Pf uio_resid
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of
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.Fa uio
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is used.
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The caller may optionally retrieve a socket address on a protocol with the
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.Dv PR_ADDR
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capability by providing storage via
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