Merge pull request #5326 from Kelimion/fix-5321

Revert changes to thread_unix.odin

core/thread/thread_unix.odin

@@ -27,6 +27,8 @@ _create :: proc(procedure: Thread_Proc, priority: Thread_Priority) -> ^Thread {
 		// most of the time, don't ask me why.
 		can_set_thread_cancel_state := posix.pthread_setcancelstate(.DISABLE when ODIN_OS == .Darwin else .ENABLE, nil) == nil
 
+		t.id = sync.current_thread_id()
+
 		if .Started not_in sync.atomic_load(&t.flags) {
 			sync.wait(&t.start_ok)
 		}
@@ -122,13 +124,6 @@ _create :: proc(procedure: Thread_Proc, priority: Thread_Priority) -> ^Thread {
 		free(thread, thread.creation_allocator)
 		return nil
 	}
-
-
-	when size_of(posix.pthread_t) == size_of(i64) {
-		thread.id = int((^i64)(&thread.unix_thread)^)
-	} else {
-		thread.id = int((^i32)(&thread.unix_thread)^)
-	}
 	return thread
 }