WIN_SHM_BASE     32448 third_party/sqlite/amalgamation/sqlite3.c #define WIN_SHM_BASE   ((22+SQLITE_SHM_NLOCK)*4)        /* first lock byte */
WIN_SHM_BASE     1329 third_party/sqlite/src/src/os_win.c #define WIN_SHM_BASE   ((22+SQLITE_SHM_NLOCK)*4)        /* first lock byte */