diff options
| -rw-r--r-- | share/man/man4/ipfirewall.4 | 30 |
1 files changed, 22 insertions, 8 deletions
diff --git a/share/man/man4/ipfirewall.4 b/share/man/man4/ipfirewall.4 index e857ee7..9702465 100644 --- a/share/man/man4/ipfirewall.4 +++ b/share/man/man4/ipfirewall.4 @@ -180,14 +180,28 @@ These variables are also available via the .Xr sysctl 3 interface. -.Sh DIAGNOSTICS - -[EINVAL] The IP option field was improperly formed; an option - field was shorter than the minimum value or longer than - the option buffer provided. A structural error in - ip_fw structure occurred (n_src_p+n_dst_p too big, - ports set for ALL/ICMP protocols etc.). An invalid - rule number was used. +.Sh RETURN VALUES +The +.Fn setsockopt +function returns 0 on success. +Otherwise, -1 is returned and the global variable +.Va errno +is set to indicate the error. +.Sh ERRORS +The +.Fn setsockopt +function will fail if: +.Bl -tag -width Er +.It Bq Er EINVAL +The IP option field was improperly formed; +an option field was shorter than the minimum value +or longer than the option buffer provided. +.It Bq Er EINVAL +A structural error in ip_fw structure occurred +(n_src_p+n_dst_p too big, ports set for ALL/ICMP protocols etc.). +.It Bq Er EINVAL +An invalid rule number was used. +.El .Sh SEE ALSO .Xr setsockopt 2 , .Xr divert 4 , |
