xBusy2           51875 ext/sqlite3/libsqlite/sqlite3.c   int (*xBusy2)(void*) = xBusy;   /* Busy handler for eMode2 */
xBusy2           51918 ext/sqlite3/libsqlite/sqlite3.c       xBusy2 = 0;
xBusy2           51936 ext/sqlite3/libsqlite/sqlite3.c       rc = walCheckpoint(pWal, eMode2, xBusy2, pBusyArg, sync_flags, zBuf);