diff --git a/libc-test/semver/apple.txt b/libc-test/semver/apple.txt
index 46b35998fd73a..ef911271ff425 100644
--- a/libc-test/semver/apple.txt
+++ b/libc-test/semver/apple.txt
@@ -2084,6 +2084,8 @@ posix_spawnattr_setflags
 posix_spawnattr_setpgroup
 posix_spawnattr_setsigdefault
 posix_spawnattr_setsigmask
+posix_spawnattr_getbinpref_np
+posix_spawnattr_setbinpref_np
 posix_spawnattr_t
 posix_spawnp
 preadv
diff --git a/src/unix/bsd/apple/mod.rs b/src/unix/bsd/apple/mod.rs
index ea06635332791..21efb23eb2e32 100644
--- a/src/unix/bsd/apple/mod.rs
+++ b/src/unix/bsd/apple/mod.rs
@@ -4998,12 +4998,12 @@ pub const MNT_SNAPSHOT: ::c_int = 0x40000000;
 pub const MNT_NOBLOCK: ::c_int = 0x00020000;
 
 // sys/spawn.h:
-pub const POSIX_SPAWN_RESETIDS: ::c_int = 0x01;
-pub const POSIX_SPAWN_SETPGROUP: ::c_int = 0x02;
-pub const POSIX_SPAWN_SETSIGDEF: ::c_int = 0x04;
-pub const POSIX_SPAWN_SETSIGMASK: ::c_int = 0x08;
-pub const POSIX_SPAWN_SETEXEC: ::c_int = 0x40;
-pub const POSIX_SPAWN_START_SUSPENDED: ::c_int = 0x80;
+pub const POSIX_SPAWN_RESETIDS: ::c_int = 0x0001;
+pub const POSIX_SPAWN_SETPGROUP: ::c_int = 0x0002;
+pub const POSIX_SPAWN_SETSIGDEF: ::c_int = 0x0004;
+pub const POSIX_SPAWN_SETSIGMASK: ::c_int = 0x0008;
+pub const POSIX_SPAWN_SETEXEC: ::c_int = 0x0040;
+pub const POSIX_SPAWN_START_SUSPENDED: ::c_int = 0x0080;
 pub const POSIX_SPAWN_CLOEXEC_DEFAULT: ::c_int = 0x4000;
 
 // sys/ipc.h:
@@ -6058,6 +6058,18 @@ extern "C" {
         subpref: *mut ::cpu_subtype_t,
         ocount: *mut ::size_t,
     ) -> ::c_int;
+    pub fn posix_spawnattr_getbinpref_np(
+        attr: *const posix_spawnattr_t,
+        count: ::size_t,
+        pref: *mut ::cpu_type_t,
+        ocount: *mut ::size_t,
+    ) -> ::c_int;
+    pub fn posix_spawnattr_setbinpref_np(
+        attr: *mut posix_spawnattr_t,
+        count: ::size_t,
+        pref: *mut ::cpu_type_t,
+        ocount: *mut ::size_t,
+    ) -> ::c_int;
     pub fn posix_spawnattr_set_qos_class_np(
         attr: *mut posix_spawnattr_t,
         qos_class: ::qos_class_t,