PIOCSTOP
case PIOCSTOP:
if (zdisp == ZNO && cmd != PIOCSTOP && cmd != PIOCWSTOP) {
case PIOCSTOP: /* stop process or lwp from running */
if (cmd == PIOCSTOP)
case PIOCSTOP:
case PIOCSTOP:
if (zdisp == ZNO && cmd != PIOCSTOP && cmd != PIOCWSTOP) {
case PIOCSTOP: /* stop process or lwp from running */
if (cmd == PIOCSTOP)