walShmBarrier    44273 ext/sqlite3/libsqlite/sqlite3.c   walShmBarrier(pWal);
walShmBarrier    45494 ext/sqlite3/libsqlite/sqlite3.c   walShmBarrier(pWal);
walShmBarrier    45723 ext/sqlite3/libsqlite/sqlite3.c     walShmBarrier(pWal);
walShmBarrier    45810 ext/sqlite3/libsqlite/sqlite3.c     walShmBarrier(pWal);