SQLITE_IOERR_SHMLOCK  997 third_party/sqlite/amalgamation/sqlite3.c #define SQLITE_IOERR_SHMLOCK           (SQLITE_IOERR | (20<<8))
SQLITE_IOERR_SHMLOCK  454 third_party/sqlite/amalgamation/sqlite3.h #define SQLITE_IOERR_SHMLOCK           (SQLITE_IOERR | (20<<8))