checkReadLocks   5251 ext/pdo_sqlite/sqlite/src/btree.c static int checkReadLocks(Btree *pBtree, Pgno pgnoRoot, BtCursor *pExclude){
checkReadLocks   2599 ext/sqlite/libsqlite/src/btree.c static int checkReadLocks(BtCursor *pCur){
checkReadLocks    160 ext/sqlite/libsqlite/src/btree_rb.c static int checkReadLocks(RbtCursor *pCur){