1 26eba9db 2006-06-04 devnull #define	setcontext(u)	_setmcontext(&(u)->mc)
 2 26eba9db 2006-06-04 devnull #define	getcontext(u)	_getmcontext(&(u)->mc)
 3 26eba9db 2006-06-04 devnull typedef struct mcontext mcontext_t;
 4 26eba9db 2006-06-04 devnull typedef struct ucontext ucontext_t;
 5 26eba9db 2006-06-04 devnull struct mcontext
 6 26eba9db 2006-06-04 devnull {
 7 26eba9db 2006-06-04 devnull 	int	r[16];
 8 26eba9db 2006-06-04 devnull };
 9 26eba9db 2006-06-04 devnull 
10 26eba9db 2006-06-04 devnull struct ucontext
11 26eba9db 2006-06-04 devnull {
12 26eba9db 2006-06-04 devnull 	struct {
13 26eba9db 2006-06-04 devnull 		void *ss_sp;
14 26eba9db 2006-06-04 devnull 		uint ss_size;
15 26eba9db 2006-06-04 devnull 	} uc_stack;
16 26eba9db 2006-06-04 devnull 	sigset_t uc_sigmask;
17 26eba9db 2006-06-04 devnull 	mcontext_t mc;
18 26eba9db 2006-06-04 devnull };
19 26eba9db 2006-06-04 devnull 
20 26eba9db 2006-06-04 devnull void makecontext(ucontext_t*, void(*)(void), int, ...);
21 26eba9db 2006-06-04 devnull int swapcontext(ucontext_t*, ucontext_t*);
22 26eba9db 2006-06-04 devnull int _getmcontext(mcontext_t*);
23 26eba9db 2006-06-04 devnull void _setmcontext(mcontext_t*);
24 26eba9db 2006-06-04 devnull