Add missing items in FreeBSD

Author: GuillaumeGomez

src/unix/bsd/freebsdlike/freebsd/mod.rs

@@ -50,6 +50,8 @@ pub type sctp_assoc_t = u32;
 
 pub type eventfd_t = u64;
 
+pub type seqc_t = u32;
+
 #[cfg_attr(feature = "extra_traits", derive(Debug, Hash, PartialEq, Eq))]
 #[repr(u32)]
 pub enum devstat_support_flags {
@@ -1355,6 +1357,66 @@ s! {
         pub strchange_instrms: u16,
         pub strchange_outstrms: u16,
     }
+
+    pub struct filedesc {
+        pub fd_files: *mut fdescenttbl,
+        pub fd_map: *mut c_void,
+        pub fd_freefile: c_int,
+        pub fd_refcnt: c_int,
+        pub fd_holdcnt: c_int,
+        pub fd_sx: sx,
+        pub fd_kqlist: kqlist,
+        pub fd_holdleaderscount: c_int,
+        pub fd_holdleaderswakeup: c_int,
+    }
+
+    pub struct fdescenttbl {
+        pub fdt_nfiles: c_int,
+        pub fdt_ofiles: [filedescent; 0],
+    }
+
+    pub struct filedescent {
+        // This is normally `struct file`.
+        pub fde_file: *mut c_void,
+        pub fde_caps: filecaps,
+        pub fde_flags: u8,
+        pub fde_seqc: seqc_t,
+    }
+
+    pub struct filecaps {
+        pub fc_rights: crate::cap_rights_t,
+        pub fc_ioctls: *mut c_ulong,
+        pub fc_nioctls: i16,
+        pub fc_fcntls: u32,
+    }
+
+    pub struct sx {
+        pub lock_object: lock_object,
+        pub sx_lock: crate::uintptr_t,
+    }
+
+    pub struct lock_object {
+        pub lo_name: *const c_char,
+        pub lo_flags: c_uint,
+        pub lo_data: c_uint,
+        // This is normally `struct  witness`.
+        pub lo_witness: *mut c_void,
+    }
+
+    pub struct kqueue;
+
+    pub struct kqlist {
+        pub tqh_first: *mut kqueue,
+        pub tqh_last: *mut *mut kqueue,
+        pub trace: qm_trace,
+    }
+
+    pub struct qm_trace {
+        pub lastline: c_ulong,
+        pub prevline: c_ulong,
+        pub lastfile: *const c_char,
+        pub prevfile: *const c_char,
+    }
 }
 
 s_no_extra_traits! {