Take sys/vxworks/thread_local_key from sys/unix instead.

library/std/src/sys/vxworks/mod.rs

@@ -35,6 +35,7 @@
 #[path = "../unix/thread.rs"]
 pub mod thread;
 pub mod thread_local_dtor;
+#[path = "../unix/thread_local_key.rs"]
 pub mod thread_local_key;
 #[path = "../unix/time.rs"]
 pub mod time;

library/std/src/sys/vxworks/thread_local_key.rs

-#![allow(dead_code)] // not used on all platforms
-
-use crate::mem;
-
-pub type Key = libc::pthread_key_t;
-
-#[inline]
-pub unsafe fn create(dtor: Option<unsafe extern "C" fn(*mut u8)>) -> Key {
-    let mut key = 0;
-    assert_eq!(libc::pthread_key_create(&mut key, mem::transmute(dtor)), 0);
-    key
-}
-
-#[inline]
-pub unsafe fn set(key: Key, value: *mut u8) {
-    let r = libc::pthread_setspecific(key, value as *mut _);
-    debug_assert_eq!(r, 0);
-}
-
-#[inline]
-pub unsafe fn get(key: Key) -> *mut u8 {
-    libc::pthread_getspecific(key) as *mut u8
-}
-
-#[inline]
-pub unsafe fn destroy(key: Key) {
-    let r = libc::pthread_key_delete(key);
-    debug_assert_eq!(r, 0);
-}
-
-#[inline]
-pub fn requires_synchronized_create() -> bool {
-    false
-}