diff options
Diffstat (limited to 'lib/libnetgraph')
-rw-r--r-- | lib/libnetgraph/netgraph.3 | 14 |
1 files changed, 10 insertions, 4 deletions
diff --git a/lib/libnetgraph/netgraph.3 b/lib/libnetgraph/netgraph.3 index bf2de91..f51c515 100644 --- a/lib/libnetgraph/netgraph.3 +++ b/lib/libnetgraph/netgraph.3 @@ -255,12 +255,18 @@ and .Xr ng_socket 4 KLD modules must have been loaded via .Xr kldload 8 . -.Sh DIAGNOSTICS -All functions except +.Sh RETURN VALUES .Fn NgSetDebug -and +returns the previous debug setting. .Fn NgSetErrLog -return -1 if there was an error and set errno accordingly. +has no return value. +All other functions return -1 if there was an error and set errno +accordingly. +A return value of zero from +.Fn NgRecvMsg +or +.Fn NgRecvData +indicates that the netgraph socket has been closed. .Pp For .Fn NgSendAsciiMsg |