#define OS_VM_PROT_WRITE PROT_WRITE
#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_RESUME_FROM_GC (SIGRTMIN+2)
+
/* Yaargh?! */
typedef int os_context_register_t ;
+