46 _ctx_done (ucontext_t *ucp)  in _ctx_done()  argument
48 	if (ucp->uc_link == NULL)  in _ctx_done()
56 		ucp->uc_mcontext.mc_len = 0;  in _ctx_done()
60 		setcontext((const ucontext_t *)ucp->uc_link);  in _ctx_done()
66 __makecontext(ucontext_t *ucp, void (*start)(void), int argc, ...)  in __makecontext()  argument
73 	if (ucp == NULL)  in __makecontext()
75 	else if ((ucp->uc_stack.ss_sp == NULL) ||  in __makecontext()
76 	    (ucp->uc_stack.ss_size < MINSIGSTKSZ)) {  in __makecontext()
83 		ucp->uc_mcontext.mc_len = 0;  in __makecontext()
87 		ucp->uc_mcontext.mc_len = 0;  in __makecontext()
90 	else if (ucp->uc_mcontext.mc_len == sizeof(mcontext_t)) {  in __makecontext()
112 		stack_top = (char *)(ucp->uc_stack.ss_sp +  in __makecontext()
113 		    ucp->uc_stack.ss_size - sizeof(intptr_t));  in __makecontext()
147 		*argp = (intptr_t)ucp;  in __makecontext()
158 		ucp->uc_mcontext.mc_esi = (int)argp;  in __makecontext()
159 		ucp->uc_mcontext.mc_ebp = 0;  in __makecontext()
160 		ucp->uc_mcontext.mc_esp = (int)stack_top + sizeof(caddr_t);  in __makecontext()
161 		ucp->uc_mcontext.mc_eip = (int)_ctx_start;  in __makecontext()