#define OS_VM_PROT_EXECUTE PROT_EXEC
#define SIG_MEMORY_FAULT SIGSEGV
-#define SIG_INTERRUPT_THREAD SIGRTMIN
-#define SIG_STOP_FOR_GC (SIGRTMIN+1)
-#define SIG_DEQUEUE (SIGRTMIN+2)
+#define SIG_INTERRUPT_THREAD (SIGRTMIN)
+#define SIG_STOP_FOR_GC (SIGRTMIN+1)