1344   int holdingMutex = 0;  in asyncWriterThread()  local
1352     if( !holdingMutex ){  in asyncWriterThread()
1366     holdingMutex = 1;  in asyncWriterThread()
1398         holdingMutex = 0;  in asyncWriterThread()
1447         if( !holdingMutex ){  in asyncWriterThread()
1449           holdingMutex = 1;  in asyncWriterThread()
1493         assert( holdingMutex==1 );  in asyncWriterThread()
1522         assert( holdingMutex==0 );  in asyncWriterThread()
1524         holdingMutex = 1;  in asyncWriterThread()
1535     if( !holdingMutex ){  in asyncWriterThread()
1537       holdingMutex = 1;  in asyncWriterThread()
1548     assert( holdingMutex );  in asyncWriterThread()
1585       holdingMutex = 0;  in asyncWriterThread()