EV_RECEIPT
if (error || (kevp->flags & EV_RECEIPT)) {
EV_SET(&kev[0], p[1], EVFILT_READ, EV_ADD | EV_CLEAR | EV_RECEIPT, /**/
EV_SET(&kev[1], p[1], EVFILT_WRITE, EV_ADD | EV_CLEAR | EV_RECEIPT, /**/
ATF_REQUIRE(kev[0].flags == (EV_EOF | EV_CLEAR | EV_RECEIPT));
EV_SET(&kev[0], p[1], EVFILT_READ, EV_ADD | EV_CLEAR | EV_RECEIPT, /**/
EV_SET(&kev[1], p[1], EVFILT_WRITE, EV_ADD | EV_CLEAR | EV_RECEIPT, /**/
(EV_EOF | EV_CLEAR | EV_ONESHOT | EV_RECEIPT));
ATF_REQUIRE(kev[1].flags == (EV_EOF | EV_CLEAR | EV_RECEIPT));
EV_SET(&kev[0], p[0], EVFILT_READ, EV_ADD | EV_CLEAR | EV_RECEIPT,
EV_SET(&kev[1], p[0], EVFILT_WRITE, EV_ADD | EV_CLEAR | EV_RECEIPT,
ATF_REQUIRE(kev[0].flags == (EV_EOF | EV_CLEAR | EV_RECEIPT));
EV_SET(&kev[0], p[0], EVFILT_READ, EV_ADD | EV_CLEAR | EV_RECEIPT,
EV_SET(&kev[1], p[0], EVFILT_WRITE, EV_ADD | EV_CLEAR | EV_RECEIPT,
(EV_EOF | EV_CLEAR | EV_ONESHOT | EV_RECEIPT));
ATF_REQUIRE(kev[1].flags == (EV_EOF | EV_CLEAR | EV_RECEIPT));
KEVFL_DUMP(EV_RECEIPT);
PK_FLAG_ELEM(EV_RECEIPT, "R"),