usermode/dev/cpu.c

85 	ucontext_t	sc_ucp;
121 	thunk_getcontext(&sc->sc_ucp);
122 	sc->sc_ucp.uc_stack.ss_sp = sc->sc_ucp_stack;
123 	sc->sc_ucp.uc_stack.ss_size = PAGE_SIZE - sizeof(register_t);
124 	sc->sc_ucp.uc_flags = _UC_STACK | _UC_CPU | _UC_SIGMASK;
125 	thunk_sigaddset(&sc->sc_ucp.uc_sigmask, SIGALRM);
126 	thunk_sigaddset(&sc->sc_ucp.uc_sigmask, SIGIO);
127 	thunk_sigaddset(&sc->sc_ucp.uc_sigmask, SIGINT);
128 	thunk_sigaddset(&sc->sc_ucp.uc_sigmask, SIGTSTP);
283 	thunk_makecontext(&sc->sc_ucp, (void (*)(void)) cpu_switchto_atomic,
287 		thunk_swapcontext(&oldpcb->pcb_ucp, &sc->sc_ucp);
290 		thunk_setcontext(&sc->sc_ucp);