/* FIXME: Stolen from CMUCL. Investigate. */
typedef unsigned long os_vm_address_t;
-typedef long os_vm_size_t;
+typedef size_t os_vm_size_t;
typedef off_t os_vm_offset_t;
typedef int os_vm_prot_t;
#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 ;
-
+#define SIG_STOP_FOR_GC (SIGUSR2)