define `TIMER_ABSTIME` on BSD
@@ -332,6 +332,8 @@ pub const POLLWRNORM: ::c_short = 0x004;
pub const POLLRDBAND: ::c_short = 0x080;
pub const POLLWRBAND: ::c_short = 0x100;
+pub const TIMER_ABSTIME: ::c_int = 1;
+
f! {
pub fn CMSG_FIRSTHDR(mhdr: *const msghdr) -> *mut cmsghdr {
if (*mhdr).msg_controllen as usize >= mem::size_of::<cmsghdr>() {
