extern void check_blockables_blocked_or_lose(void);
extern void check_gc_signals_unblocked_or_lose(void);
extern void unblock_gc_signals(void);
extern void check_blockables_blocked_or_lose(void);
extern void check_gc_signals_unblocked_or_lose(void);
extern void unblock_gc_signals(void);
extern void handle_trap(os_context_t *context, int trap);
#ifndef LISP_FEATURE_WIN32
extern void handle_trap(os_context_t *context, int trap);
#ifndef LISP_FEATURE_WIN32