add SO_*_FILTER for Android
@@ -1202,6 +1202,9 @@ pub const SO_SNDLOWAT: ::c_int = 19;
pub const SO_RCVTIMEO: ::c_int = 20;
pub const SO_SNDTIMEO: ::c_int = 21;
pub const SO_BINDTODEVICE: ::c_int = 25;
+pub const SO_ATTACH_FILTER: ::c_int = 26;
+pub const SO_DETACH_FILTER: ::c_int = 27;
+pub const SO_GET_FILTER: ::c_int = SO_ATTACH_FILTER;
pub const SO_TIMESTAMP: ::c_int = 29;
pub const SO_ACCEPTCONN: ::c_int = 30;
pub const SO_PEERSEC: ::c_int = 31;
