Archipelago » qemu

#if defined(TARGET_ALPHA)

            struct target_sigaction act, oact, *pact = 0;

                act.sa_restorer = 0;

#elif defined(TARGET_MIPS)

#else

            struct target_old_sigaction *old_act;

            struct target_sigaction act, oact, *pact;

            if (arg2) {

                if (!lock_user_struct(VERIFY_READ, old_act, arg2, 1))

                    goto efault;

                act._sa_handler = old_act->_sa_handler;

                target_siginitset(&act.sa_mask, old_act->sa_mask);

                act.sa_flags = old_act->sa_flags;

                act.sa_restorer = old_act->sa_restorer;

                unlock_user_struct(old_act, arg2, 0);

                pact = &act;

            } else {

                pact = NULL;

            }

            ret = get_errno(do_sigaction(arg1, pact, &oact));

            if (!is_error(ret) && arg3) {

                if (!lock_user_struct(VERIFY_WRITE, old_act, arg3, 0))

                    goto efault;

                old_act->_sa_handler = oact._sa_handler;

                old_act->sa_mask = oact.sa_mask.sig[0];

                old_act->sa_flags = oact.sa_flags;

                old_act->sa_restorer = oact.sa_restorer;

                unlock_user_struct(old_act, arg3, 1);

            }

#if defined(TARGET_ALPHA)

            struct target_sigaction act, oact, *pact = 0;

            struct target_rt_sigaction *rt_act;

            /* ??? arg4 == sizeof(sigset_t).  */

            if (arg2) {

                if (!lock_user_struct(VERIFY_READ, rt_act, arg2, 1))

                    goto efault;

                act._sa_handler = rt_act->_sa_handler;

                act.sa_mask = rt_act->sa_mask;

                act.sa_flags = rt_act->sa_flags;

                act.sa_restorer = arg5;

                unlock_user_struct(rt_act, arg2, 0);

                pact = &act;

            }

            ret = get_errno(do_sigaction(arg1, pact, &oact));

            if (!is_error(ret) && arg3) {

                if (!lock_user_struct(VERIFY_WRITE, rt_act, arg3, 0))

                    goto efault;

                rt_act->_sa_handler = oact._sa_handler;

                rt_act->sa_mask = oact.sa_mask;

                rt_act->sa_flags = oact.sa_flags;

                unlock_user_struct(rt_act, arg3, 1);

            }

#else

#endif