506 struct Wal {  struct
632   Wal *pWal,               /* The WAL context */  in walIndexPageRealloc()
681   Wal *pWal,               /* The WAL context */  in walIndexPage()
694 static volatile WalCkptInfo *walCkptInfo(Wal *pWal){  in walCkptInfo()
702 static volatile WalIndexHdr *walIndexHdr(Wal *pWal){  in walIndexHdr()
771 static void walShmBarrier(Wal *pWal){  in walShmBarrier()
795 static SQLITE_NO_TSAN void walIndexWriteHdr(Wal *pWal){  in walIndexWriteHdr()
823   Wal *pWal,                      /* The write-ahead log */  in walEncodeFrame()
854   Wal *pWal,                      /* The write-ahead log */  in walDecodeFrame()
932 static int walLockShared(Wal *pWal, int lockIdx){  in walLockShared()
942 static void walUnlockShared(Wal *pWal, int lockIdx){  in walUnlockShared()
948 static int walLockExclusive(Wal *pWal, int lockIdx, int n){  in walLockExclusive()
958 static void walUnlockExclusive(Wal *pWal, int lockIdx, int n){  in walUnlockExclusive()
1007   Wal *pWal,                      /* WAL handle */  in walHashGet()
1051 static u32 walFramePgno(Wal *pWal, u32 iFrame){  in walFramePgno()
1071 static void walCleanupHash(Wal *pWal){  in walCleanupHash()
1133 static int walIndexAppend(Wal *pWal, u32 iFrame, u32 iPage){  in walIndexAppend()
1222 static int walIndexRecover(Wal *pWal){  in walIndexRecover()
1445 static void walIndexClose(Wal *pWal, int isDelete){  in walIndexClose()
1479   Wal **ppWal                     /* OUT: Allocated Wal handle */  in sqlite3WalOpen()
1482   Wal *pRet;                      /* Object to allocate and return */  in sqlite3WalOpen()
1535   pRet = (Wal*)sqlite3MallocZero(sizeof(Wal) + pVfs->szOsFile);  in sqlite3WalOpen()
1576 void sqlite3WalLimit(Wal *pWal, i64 iLimit){  in sqlite3WalLimit()
1780 static int walIteratorInit(Wal *pWal, u32 nBackfill, WalIterator **pp){  in walIteratorInit()
1861 static int walEnableBlocking(Wal *pWal){  in walEnableBlocking()
1879 static void walDisableBlocking(Wal *pWal){  in walDisableBlocking()
1893 int sqlite3WalWriteLock(Wal *pWal, int bLock){  in sqlite3WalWriteLock()
1915 void sqlite3WalDb(Wal *pWal, sqlite3 *db){  in sqlite3WalDb()
1922 static int walLockWriter(Wal *pWal){  in walLockWriter()
1944   Wal *pWal,                      /* WAL connection */  in walBusyLock()
1967 static int walPagesize(Wal *pWal){  in walPagesize()
1988 static void walRestartHdr(Wal *pWal, u32 salt1){  in walRestartHdr()
2036   Wal *pWal,                      /* Wal connection */  in walCheckpoint()
2221 static void walLimitSize(Wal *pWal, i64 nMax){  in walLimitSize()
2239   Wal *pWal,                      /* Wal to close */  in sqlite3WalClose()
2319 static SQLITE_NO_TSAN int walIndexTryHdr(Wal *pWal, int *pChanged){  in walIndexTryHdr()
2389 static int walIndexReadHdr(Wal *pWal, int *pChanged){  in walIndexReadHdr()
2513 static int walBeginShmUnreliable(Wal *pWal, int *pChanged){  in walBeginShmUnreliable()
2710 static int walTryBeginRead(Wal *pWal, int *pChanged, int useWal, int cnt){  in walTryBeginRead()
2940 int sqlite3WalSnapshotRecover(Wal *pWal){  in sqlite3WalSnapshotRecover()
3011 int sqlite3WalBeginReadTransaction(Wal *pWal, int *pChanged){  in sqlite3WalBeginReadTransaction()
3119 void sqlite3WalEndReadTransaction(Wal *pWal){  in sqlite3WalEndReadTransaction()
3136   Wal *pWal,                      /* WAL handle */  in sqlite3WalFindFrame()
3240   Wal *pWal,                      /* WAL handle */  in sqlite3WalReadFrame()
3259 Pgno sqlite3WalDbsize(Wal *pWal){  in sqlite3WalDbsize()
3280 int sqlite3WalBeginWriteTransaction(Wal *pWal){  in sqlite3WalBeginWriteTransaction()
3328 int sqlite3WalEndWriteTransaction(Wal *pWal){  in sqlite3WalEndWriteTransaction()
3350 int sqlite3WalUndo(Wal *pWal, int (*xUndo)(void *, Pgno), void *pUndoCtx){  in sqlite3WalUndo()
3390 void sqlite3WalSavepoint(Wal *pWal, u32 *aWalData){  in sqlite3WalSavepoint()
3404 int sqlite3WalSavepointUndo(Wal *pWal, u32 *aWalData){  in sqlite3WalSavepointUndo()
3441 static int walRestartLog(Wal *pWal){  in walRestartLog()
3489   Wal *pWal;                   /* The complete WAL information */
3555 static int walRewriteChecksums(Wal *pWal, u32 iLast){  in walRewriteChecksums()
3605   Wal *pWal,                      /* Wal handle to write to */  in sqlite3WalFrames()
3843   Wal *pWal,                      /* Wal connection */  in sqlite3WalCheckpoint()
3967 int sqlite3WalCallback(Wal *pWal){  in sqlite3WalCallback()
4000 int sqlite3WalExclusiveMode(Wal *pWal, int op){  in sqlite3WalExclusiveMode()
4042 int sqlite3WalHeapMemory(Wal *pWal){  in sqlite3WalHeapMemory()
4051 int sqlite3WalSnapshotGet(Wal *pWal, sqlite3_snapshot **ppSnapshot){  in sqlite3WalSnapshotGet()
4076   Wal *pWal,   in sqlite3WalSnapshotOpen()
4110 int sqlite3WalSnapshotCheck(Wal *pWal, sqlite3_snapshot *pSnapshot){  in sqlite3WalSnapshotCheck()
4129 void sqlite3WalSnapshotUnlock(Wal *pWal){  in sqlite3WalSnapshotUnlock()
4143 int sqlite3WalFramesize(Wal *pWal){  in sqlite3WalFramesize()
4151 sqlite3_file *sqlite3WalFile(Wal *pWal){  in sqlite3WalFile()