diff options
| -rw-r--r-- | share/man/man9/socket.9 | 17 |
1 files changed, 12 insertions, 5 deletions
diff --git a/share/man/man9/socket.9 b/share/man/man9/socket.9 index 8320d84..f2cb5ba 100644 --- a/share/man/man9/socket.9 +++ b/share/man/man9/socket.9 @@ -25,7 +25,7 @@ .\" .\" $FreeBSD$ .\" -.Dd December 14, 2006 +.Dd April 12, 2013 .Dt SOCKET 9 .Os .Sh NAME @@ -208,12 +208,19 @@ Data may be retrieved directly to kernel or user memory via the argument, or as an mbuf chain returned to the caller via .Fa mp0 , avoiding a data copy. -Only one of the +The .Fa uio -or -.Fa mp0 -pointers may be +must always be .Pf non- Dv NULL . +If +.Fa mp0 +is +.Pf non- Dv NULL , +only the +.Pf uio_resid +of +.Fa uio +is used. The caller may optionally retrieve a socket address on a protocol with the .Dv PR_ADDR capability by providing storage via |
