Deprecate constants removed in FreeBSD 11 and hide it from docs

This also tests some sighandler_t and MS_ constants on FreeBSD.

Author: gnzlbg

libc-test/build.rs

@@ -1557,16 +1557,6 @@ fn test_freebsd(target: &str) {
         }
     });
 
-    cfg.skip_type(move |ty| {
-        match ty {
-            // sighandler_t is crazy across platforms
-            // FIXME: still required?
-            "sighandler_t" => true,
-
-            _ => false,
-        }
-    });
-
     cfg.skip_struct(move |ty| {
         match ty {
             // This is actually a union, not a struct
@@ -1598,14 +1588,6 @@ fn test_freebsd(target: &str) {
         match name {
             // FIXME: still required?
             "SIG_DFL" | "SIG_ERR" | "SIG_IGN" => true, // sighandler_t weirdness
-            // FIXME: still required?
-            "SIGUNUSED" => true, // removed in glibc 2.26
-
-            // weird signed extension or something like that?
-            // FIXME: still required?
-            "MS_NOUSER" => true,
-            // FIXME: still required?
-            "MS_RMT_MASK" => true, // updated in glibc 2.22 and musl 1.1.13
 
             // These constants were removed in FreeBSD 11 (svn r273250) but will
             // still be accepted and ignored at runtime.

src/unix/bsd/apple/mod.rs

@@ -2419,13 +2419,15 @@ pub const NOTE_NONE: ::uint32_t = 0x00000080;
 pub const NOTE_EXIT: ::uint32_t = 0x80000000;
 pub const NOTE_FORK: ::uint32_t = 0x40000000;
 pub const NOTE_EXEC: ::uint32_t = 0x20000000;
+#[doc(hidden)]
 #[deprecated(since="0.2.49", note="Deprecated since MacOSX 10.9")]
 pub const NOTE_REAP: ::uint32_t = 0x10000000;
 pub const NOTE_SIGNAL: ::uint32_t = 0x08000000;
 pub const NOTE_EXITSTATUS: ::uint32_t = 0x04000000;
 pub const NOTE_EXIT_DETAIL: ::uint32_t = 0x02000000;
 pub const NOTE_PDATAMASK: ::uint32_t = 0x000fffff;
 pub const NOTE_PCTRLMASK: ::uint32_t = 0xfff00000;
+#[doc(hidden)]
 #[deprecated(since="0.2.49", note="Deprecated since MacOSX 10.9")]
 pub const NOTE_EXIT_REPARENTED: ::uint32_t = 0x00080000;
 pub const NOTE_EXIT_DETAIL_MASK: ::uint32_t = 0x00070000;
@@ -2632,8 +2634,10 @@ pub const KERN_KDSETRTCDEC: ::c_int = 15;
 pub const KERN_KDGETENTROPY: ::c_int = 16;
 pub const KERN_KDWRITETR: ::c_int = 17;
 pub const KERN_KDWRITEMAP: ::c_int = 18;
+#[doc(hidden)]
 #[deprecated(since = "0.2.49", note ="Removed in MacOSX 10.12")]
 pub const KERN_KDENABLE_BG_TRACE: ::c_int = 19;
+#[doc(hidden)]
 #[deprecated(since = "0.2.49", note ="Removed in MacOSX 10.12")]
 pub const KERN_KDDISABLE_BG_TRACE: ::c_int = 20;
 pub const KERN_KDREADCURTHRMAP: ::c_int = 21;
@@ -3014,11 +3018,14 @@ f! {
 }
 
 extern {
+    #[doc(hidden)]
     #[deprecated(since="0.2.49", note="Deprecated in MacOSX 10.5")]
     #[link_name = "daemon$1050"]
     pub fn daemon(nochdir: ::c_int, noclose: ::c_int) -> ::c_int;
+    #[doc(hidden)]
     #[deprecated(since="0.2.49", note="Deprecated in MacOSX 10.10")]
     pub fn sem_destroy(sem: *mut sem_t) -> ::c_int;
+    #[doc(hidden)]
     #[deprecated(since="0.2.49", note="Deprecated in MacOSX 10.10")]
     pub fn sem_init(sem: *mut sem_t,
                     pshared: ::c_int,

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

@@ -779,14 +779,21 @@ pub const IFF_POINTOPOINT: ::c_int = 0x10; // (i) is a point-to-point link
 // 0x20           was IFF_SMART
 pub const IFF_RUNNING: ::c_int = 0x40; // (d) resources allocated
 #[doc(hidden)]
-// IFF_DRV_RUNNING is deprecated.  Use the portable `IFF_RUNNING` instead
+#[doc(hidden)]
+#[deprecated(
+    since="0.2.54",
+    note="IFF_DRV_RUNNING is deprecated. Use the portable IFF_RUNNING instead"
+)]
 pub const IFF_DRV_RUNNING: ::c_int = 0x40;
 pub const IFF_NOARP: ::c_int = 0x80; // (n) no address resolution protocol
 pub const IFF_PROMISC: ::c_int = 0x100; // (n) receive all packets
 pub const IFF_ALLMULTI: ::c_int = 0x200; // (n) receive all multicast packets
 pub const IFF_OACTIVE: ::c_int = 0x400; // (d) tx hardware queue is full
 #[doc(hidden)]
-// IFF_DRV_OACTIVE is deprecated.  Use the portable `IFF_OACTIVE` instead
+#[deprecated(
+    since="0.2.54",
+    note="IFF_DRV_OACTIVE is deprecated.  Use the portable `IFF_OACTIVE` instead",
+)]
 pub const IFF_DRV_OACTIVE: ::c_int = 0x400;
 pub const IFF_SIMPLEX: ::c_int = 0x800; // (i) can't hear own transmissions
 pub const IFF_LINK0: ::c_int = 0x1000; // per link layer defined bit
@@ -1106,14 +1113,19 @@ pub const SHM_ANON: *mut ::c_char = 1 as *mut ::c_char;
 // they were all removed in svn r262489.  They remain here for backwards
 // compatibility only, and are scheduled to be removed in libc 1.0.0.
 #[doc(hidden)]
+#[deprecated(since="0.2.54",note="Removed in FreeBSD 11")]
 pub const NET_MAXID: ::c_int = AF_MAX;
 #[doc(hidden)]
+#[deprecated(since="0.2.54",note="Removed in FreeBSD 11")]
 pub const CTL_MAXID: ::c_int = 10;
 #[doc(hidden)]
+#[deprecated(since="0.2.54",note="Removed in FreeBSD 11")]
 pub const KERN_MAXID: ::c_int = 38;
 #[doc(hidden)]
+#[deprecated(since="0.2.54",note="Removed in FreeBSD 11")]
 pub const HW_MAXID: ::c_int = 13;
 #[doc(hidden)]
+#[deprecated(since="0.2.54",note="Removed in FreeBSD 11")]
 pub const USER_MAXID: ::c_int = 21;
 #[doc(hidden)]
 pub const CTL_P1003_1B_MAXID: ::c_int = 26;

src/unix/bsd/freebsdlike/mod.rs

@@ -758,7 +758,11 @@ pub const LOCK_NB: ::c_int = 4;
 pub const LOCK_UN: ::c_int = 8;
 
 pub const MAP_COPY: ::c_int = 0x0002;
+#[doc(hidden)]
+#[deprecated(since="0.2.54",note="Removed in FreeBSD 11")]
 pub const MAP_RENAME: ::c_int = 0x0020;
+#[doc(hidden)]
+#[deprecated(since="0.2.54",note="Removed in FreeBSD 11")]
 pub const MAP_NORESERVE: ::c_int = 0x0040;
 pub const MAP_HASSEMAPHORE: ::c_int = 0x0200;
 pub const MAP_STACK: ::c_int = 0x0400;

src/unix/notbsd/linux/other/mod.rs

@@ -48,6 +48,7 @@ s! {
         pub si_signo: ::c_int,
         pub si_errno: ::c_int,
         pub si_code: ::c_int,
+        #[doc(hidden)]
         #[deprecated(
             since="0.2.54",
             note="Please leave a comment on \