645   u8 eLock;                   /* Current lock held on database file */  member
866   assert( p->tempFile==0 || p->eLock==EXCLUSIVE_LOCK );  in assert_pager_state()
896   assert( pPager->changeCountDone==0 || pPager->eLock>=RESERVED_LOCK );  in assert_pager_state()
897   assert( p->eLock!=PENDING_LOCK );  in assert_pager_state()
908       assert( p->eLock!=UNKNOWN_LOCK );  in assert_pager_state()
909       assert( p->eLock>=SHARED_LOCK );  in assert_pager_state()
913       assert( p->eLock!=UNKNOWN_LOCK );  in assert_pager_state()
916         assert( p->eLock>=RESERVED_LOCK );  in assert_pager_state()
925       assert( p->eLock!=UNKNOWN_LOCK );  in assert_pager_state()
933         assert( p->eLock>=RESERVED_LOCK );  in assert_pager_state()
944       assert( p->eLock==EXCLUSIVE_LOCK );  in assert_pager_state()
947       assert( p->eLock>=EXCLUSIVE_LOCK );  in assert_pager_state()
957       assert( p->eLock==EXCLUSIVE_LOCK );  in assert_pager_state()
1015       , p->eLock==NO_LOCK         ? "NO_LOCK" :  in print_pager_state()
1016         p->eLock==RESERVED_LOCK   ? "RESERVED" :  in print_pager_state()
1017         p->eLock==EXCLUSIVE_LOCK  ? "EXCLUSIVE" :  in print_pager_state()
1018         p->eLock==SHARED_LOCK     ? "SHARED" :  in print_pager_state()
1019         p->eLock==UNKNOWN_LOCK    ? "UNKNOWN" : "?error?"  in print_pager_state()
1135 static int pagerUnlockDb(Pager *pPager, int eLock){  in pagerUnlockDb()  argument
1138   assert( !pPager->exclusiveMode || pPager->eLock==eLock );  in pagerUnlockDb()
1139   assert( eLock==NO_LOCK || eLock==SHARED_LOCK );  in pagerUnlockDb()
1140   assert( eLock!=NO_LOCK || pagerUseWal(pPager)==0 );  in pagerUnlockDb()
1142     assert( pPager->eLock>=eLock );  in pagerUnlockDb()
1143     rc = pPager->noLock ? SQLITE_OK : sqlite3OsUnlock(pPager->fd, eLock);  in pagerUnlockDb()
1144     if( pPager->eLock!=UNKNOWN_LOCK ){  in pagerUnlockDb()
1145       pPager->eLock = (u8)eLock;  in pagerUnlockDb()
1147     IOTRACE(("UNLOCK %p %d\n", pPager, eLock))  in pagerUnlockDb()
1163 static int pagerLockDb(Pager *pPager, int eLock){  in pagerLockDb()  argument
1166   assert( eLock==SHARED_LOCK || eLock==RESERVED_LOCK || eLock==EXCLUSIVE_LOCK );  in pagerLockDb()
1167   if( pPager->eLock<eLock || pPager->eLock==UNKNOWN_LOCK ){  in pagerLockDb()
1168     rc = pPager->noLock ? SQLITE_OK : sqlite3OsLock(pPager->fd, eLock);  in pagerLockDb()
1169     if( rc==SQLITE_OK && (pPager->eLock!=UNKNOWN_LOCK||eLock==EXCLUSIVE_LOCK) ){  in pagerLockDb()
1170       pPager->eLock = (u8)eLock;  in pagerLockDb()
1171       IOTRACE(("LOCK %p %d\n", pPager, eLock))  in pagerLockDb()
1863       pPager->eLock = UNKNOWN_LOCK;  in pager_unlock()
2030   if( pPager->eState<PAGER_WRITER_LOCKED && pPager->eLock<RESERVED_LOCK ){  in pager_end_transaction()
2121     assert( pPager->eLock==EXCLUSIVE_LOCK );  in pager_end_transaction()
2270        || (pPager->eState==PAGER_OPEN && pPager->eLock==EXCLUSIVE_LOCK)  in pager_playback_one_page()
2614     assert( pPager->eLock==EXCLUSIVE_LOCK );  in pager_truncate()
3236   assert( pPager->eLock>=SHARED_LOCK );  in pagerPagecount()
3289   assert( pPager->eLock>=SHARED_LOCK );  in pagerOpenWalIfPresent()
3890   assert( (pPager->eLock>=locktype)  in pager_wait_on_lock()
3891        || (pPager->eLock==NO_LOCK && locktype==SHARED_LOCK)  in pager_wait_on_lock()
3892        || (pPager->eLock==RESERVED_LOCK && locktype==EXCLUSIVE_LOCK)  in pager_wait_on_lock()
4368   assert( pPager->eLock==EXCLUSIVE_LOCK );  in pager_write_pagelist()
4947     pPager->eLock = EXCLUSIVE_LOCK;    /* Pretend we are in EXCLUSIVE mode */  in sqlite3PagerOpen()
5217     assert( pPager->tempFile==0 || pPager->eLock==EXCLUSIVE_LOCK );  in sqlite3PagerSharedLock()
5221       assert( pPager->eLock==NO_LOCK || pPager->eLock==UNKNOWN_LOCK );  in sqlite3PagerSharedLock()
5228     if( pPager->eLock<=SHARED_LOCK ){  in sqlite3PagerSharedLock()
5332       assert( (pPager->eLock==SHARED_LOCK)  in sqlite3PagerSharedLock()
5333            || (pPager->exclusiveMode && pPager->eLock>SHARED_LOCK)  in sqlite3PagerSharedLock()
7334       if( pPager->eLock>=RESERVED_LOCK ){  in sqlite3PagerSetJournalMode()
7480   assert( pPager->eLock==SHARED_LOCK || pPager->eLock==EXCLUSIVE_LOCK );  in pagerExclusiveLock()
7501   assert( pPager->eLock==SHARED_LOCK || pPager->eLock==EXCLUSIVE_LOCK );  in pagerOpenWal()