diff options
Diffstat (limited to 'share/man/man9/ml_init.9')
| -rw-r--r-- | share/man/man9/ml_init.9 | 29 |
1 files changed, 27 insertions, 2 deletions
diff --git a/share/man/man9/ml_init.9 b/share/man/man9/ml_init.9 index 6f42f8f618d..6f843aeedd9 100644 --- a/share/man/man9/ml_init.9 +++ b/share/man/man9/ml_init.9 @@ -1,4 +1,4 @@ -.\" $OpenBSD: ml_init.9,v 1.8 2015/11/02 09:21:48 dlg Exp $ +.\" $OpenBSD: ml_init.9,v 1.9 2015/11/21 00:32:46 dlg Exp $ .\" .\" Copyright (c) 2015 David Gwynne <dlg@openbsd.org> .\" @@ -14,7 +14,7 @@ .\" ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF .\" OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. .\" -.Dd $Mdocdate: November 2 2015 $ +.Dd $Mdocdate: November 21 2015 $ .Dt ML_INIT 9 .Os .Sh NAME @@ -27,6 +27,8 @@ .Nm ml_len , .Nm ml_empty , .Nm MBUF_LIST_INITIALIZER , +.Nm MBUF_LIST_FIRST , +.Nm MBUF_LIST_NEXT , .Nm MBUF_LIST_FOREACH .Nd mbuf list API .Sh SYNOPSIS @@ -57,6 +59,10 @@ .Fn ml_purge "struct mbuf_list *ml" .Ft struct mbuf_list .Fn MBUF_LIST_INITIALIZER +.Ft struct mbuf * +.Fn MBUF_LIST_FIRST "struct mbuf_list *ml" +.Ft struct mbuf * +.Fn MBUF_LIST_NEXT "struct mbuf *m" .Fn MBUF_LIST_FOREACH "struct mbuf_list *ml" "VARNAME" .Sh DESCRIPTION The mbuf list API provides implementations of data structures and operations @@ -138,6 +144,13 @@ mbuf list is empty. Free all the mbufs on the .Fa ml mbuf list. +.It Fn MBUF_LIST_FIRST "struct mbuf_list *ml" +Access the first mbuf in the +.Fa ml +mbuf list for traversal. +.It Fn MBUF_LIST_NEXT "struct mbuf *m" +Access the next mbuf in the mbuf list after +.Fa m . .It Fn MBUF_LIST_FOREACH "struct mbuf_list *ml" "VARNAME" A convenience macro that can be used to iterate over the contents of the .Fa ml @@ -158,6 +171,8 @@ Note that it is unsafe to modify the list while iterating over it. .Fn ml_empty , .Fn ml_purge , .Fn MBUF_LIST_INITIALIZER , +.Fn MBUF_LIST_FIRST , +.Fn MBUF_LIST_NEXT , and .Fn MBUF_LIST_FOREACH can be called during autoconf, from process context, or from interrupt context. @@ -190,5 +205,15 @@ return a non-zero value if the list is empty, otherwise 0. .Pp .Fn ml_purge returns the number of mbufs that were freed. +.Pp +.Fn MBUF_LIST_FIRST +returns the first mbuf in the mbuf list, or +.Dv NULL +if the list is empty. +.Pp +.Fn MBUF_LIST_NEXT +returns the next mbuf in the mbuf list, or +.Dv NULL +if the end of the list has been reached. .Sh SEE ALSO .Xr mbuf 9 |