508   sqlite3_file *pDbFd;       /* File handle for the database file */  member
659     rc = sqlite3OsShmMap(pWal->pDbFd, iPage, WALINDEX_PGSZ,   in walIndexPageRealloc()
773     sqlite3OsShmBarrier(pWal->pDbFd);  in walShmBarrier()
935   rc = sqlite3OsShmLock(pWal->pDbFd, lockIdx, 1,  in walLockShared()
944   (void)sqlite3OsShmLock(pWal->pDbFd, lockIdx, 1,  in walUnlockShared()
951   rc = sqlite3OsShmLock(pWal->pDbFd, lockIdx, n,  in walLockExclusive()
960   (void)sqlite3OsShmLock(pWal->pDbFd, lockIdx, n,  in walUnlockExclusive()
1454     sqlite3OsShmUnmap(pWal->pDbFd, isDelete);  in walIndexClose()
1475   sqlite3_file *pDbFd,            /* The open database file */  in sqlite3WalOpen()  argument
1486   assert( pDbFd );  in sqlite3WalOpen()
1542   pRet->pDbFd = pDbFd;  in sqlite3WalOpen()
1562     int iDC = sqlite3OsDeviceCharacteristics(pDbFd);  in sqlite3WalOpen()
1868           pWal->pDbFd, SQLITE_FCNTL_LOCK_TIMEOUT, (void*)&tmout  in walEnableBlocking()
1881   sqlite3OsFileControl(pWal->pDbFd, SQLITE_FCNTL_LOCK_TIMEOUT, (void*)&tmout);  in walDisableBlocking()
2111         sqlite3OsFileControl(pWal->pDbFd, SQLITE_FCNTL_CKPT_START, 0);  in walCheckpoint()
2112         rc = sqlite3OsFileSize(pWal->pDbFd, &nSize);  in walCheckpoint()
2121             sqlite3OsFileControlHint(pWal->pDbFd, SQLITE_FCNTL_SIZE_HINT,&nReq);  in walCheckpoint()
2144         rc = sqlite3OsWrite(pWal->pDbFd, zBuf, szPage, iOffset);  in walCheckpoint()
2147       sqlite3OsFileControl(pWal->pDbFd, SQLITE_FCNTL_CKPT_DONE, 0);  in walCheckpoint()
2154           rc = sqlite3OsTruncate(pWal->pDbFd, szDb);  in walCheckpoint()
2156             rc = sqlite3OsSync(pWal->pDbFd, CKPT_SYNC_FLAGS(sync_flags));  in walCheckpoint()
2258      && SQLITE_OK==(rc = sqlite3OsLock(pWal->pDbFd, SQLITE_LOCK_EXCLUSIVE))  in sqlite3WalClose()
2269             pWal->pDbFd, SQLITE_FCNTL_PERSIST_WAL, &bPersist  in sqlite3WalClose()
2560   rc = sqlite3OsShmMap(pWal->pDbFd, 0, WALINDEX_PGSZ, 0, &pDummy);  in walBeginShmUnreliable()
2950     rc = sqlite3OsFileSize(pWal->pDbFd, &szDb);  in sqlite3WalSnapshotRecover()
2975               rc = sqlite3OsRead(pWal->pDbFd, pBuf2, szPage, iDbOff);  in sqlite3WalSnapshotRecover()
3915     if( isChanged && pWal->pDbFd->pMethods->iVersion>=3 ){  in sqlite3WalCheckpoint()
3916       sqlite3OsUnfetch(pWal->pDbFd, 0, 0);  in sqlite3WalCheckpoint()