iokit/Kernel/IOService.cpp

1593     bool doWait;
1596         doWait = false;
1600                 doWait = true;
1604         if( doWait) {
1609     } while( doWait );
4220     bool doWait;
4223         doWait = false;
4227                 doWait = true;
4231         if( doWait) {
4236     } while( doWait );