- /* man pages claim that the third argument is a sigcontext struct,
- but ucontext_t is defined, matches sigcontext where sensible,
- offers better access to mcontext, and is of course the SUSv2-
- mandated type of the third argument, so we use that instead.
- If Apple is going to break ucontext_t out of spite, I'm going
- to be cross with them ;) -- PRM */
-
-#if defined(LISP_FEATURE_X86)
-#include <sys/ucontext.h>
-#include <sys/_types.h>
-typedef struct ucontext os_context_t;
-#else
-#include <ucontext.h>
-typedef ucontext_t os_context_t;
-#endif
-
-#define SIG_MEMORY_FAULT SIGBUS
-