extern int sig_memory_fault;
#define SIG_MEMORY_FAULT (sig_memory_fault)
-#define SIG_INTERRUPT_THREAD (SIGINFO)
-#define SIG_STOP_FOR_GC (SIGUSR1)
-#define SIG_RESUME_FROM_GC (SIGUSR2)
+#define SIG_STOP_FOR_GC (SIGUSR2)
#elif defined __OpenBSD__
typedef struct sigcontext os_context_t;
#define SIG_MEMORY_FAULT SIGSEGV
+#if defined(LISP_FEATURE_X86)
+extern int openbsd_use_fxsave;
+#endif
#elif defined __NetBSD__