FreeBSD: add AT_RESOLVE_BENEATH

Author: valpackett

libc-test/build.rs

@@ -2074,8 +2074,8 @@ fn test_freebsd(target: &str) {
             // These constants were introduced in FreeBSD 13:
             "EFD_CLOEXEC" | "EFD_NONBLOCK" | "EFD_SEMAPHORE" if Some(13) > freebsd_ver => true,
 
-            // This constant was introduced in FreeBSD 12:
-            "O_RESOLVE_BENEATH" if Some(12) > freebsd_ver => true,
+            // These constants were introduced in FreeBSD 12:
+            "AT_RESOLVE_BENEATH" | "O_RESOLVE_BENEATH" if Some(12) > freebsd_ver => true,
 
             // These constants were introduced in FreeBSD 13:
             "O_DSYNC" | "O_PATH" | "O_EMPTY_PATH" | "AT_EMPTY_PATH" if Some(13) > freebsd_ver => {

libc-test/semver/freebsd.txt

@@ -100,6 +100,7 @@ AT_PHDR
 AT_PHENT
 AT_PHNUM
 AT_REMOVEDIR
+AT_RESOLVE_BENEATH
 AT_SYMLINK_FOLLOW
 AT_SYMLINK_NOFOLLOW
 AT_UID

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

@@ -3737,6 +3737,7 @@ pub const AT_EACCESS: ::c_int = 0x100;
 pub const AT_SYMLINK_NOFOLLOW: ::c_int = 0x200;
 pub const AT_SYMLINK_FOLLOW: ::c_int = 0x400;
 pub const AT_REMOVEDIR: ::c_int = 0x800;
+pub const AT_RESOLVE_BENEATH: ::c_int = 0x2000;
 pub const AT_EMPTY_PATH: ::c_int = 0x4000;
 
 pub const AT_NULL: ::c_int = 0;