Add EVFILT_EXCEPT constant
@@ -340,6 +340,7 @@ pub const EVFILT_VNODE: ::int16_t = -4;
pub const EVFILT_PROC: ::int16_t = -5;
pub const EVFILT_SIGNAL: ::int16_t = -6;
pub const EVFILT_TIMER: ::int16_t = -7;
+pub const EVFILT_EXCEPT: ::int16_t = -8;
pub const EVFILT_USER: ::int16_t = -9;
pub const EVFILT_FS: ::int16_t = -10;
