P_ALL
* wait6(P_ALL, 0, NULL,
waitid(P_ALL, 0, NULL, o | TWAIT_OPTION) == -1);
wait6(P_ALL, 0, NULL, o | TWAIT_OPTION, NULL, NULL) == -1);
waitid(P_ALL, 0, NULL,
ATF_REQUIRE(waitid(P_ALL, 0, &si, 0) == -1
idtype = P_ALL;
if (idtype != P_ALL && idtype != P_PID && idtype != P_PGID)
case P_ALL: