UNIX_SHM_BASE    29544 ext/sqlite3/libsqlite/sqlite3.c #define UNIX_SHM_DMS    (UNIX_SHM_BASE+SQLITE_SHM_NLOCK)  /* deadman switch */
UNIX_SHM_BASE    30032 ext/sqlite3/libsqlite/sqlite3.c       rc = unixShmSystemLock(pDbFd, F_UNLCK, ofst+UNIX_SHM_BASE, n);
UNIX_SHM_BASE    30060 ext/sqlite3/libsqlite/sqlite3.c         rc = unixShmSystemLock(pDbFd, F_RDLCK, ofst+UNIX_SHM_BASE, n);
UNIX_SHM_BASE    30085 ext/sqlite3/libsqlite/sqlite3.c       rc = unixShmSystemLock(pDbFd, F_WRLCK, ofst+UNIX_SHM_BASE, n);
UNIX_SHM_BASE    50178 ext/sqlite3/libsqlite/sqlite3.c #ifdef UNIX_SHM_BASE
UNIX_SHM_BASE    50179 ext/sqlite3/libsqlite/sqlite3.c   assert( UNIX_SHM_BASE==WALINDEX_LOCK_OFFSET );