Import SQLite 3.8.7.4.

third_party/sqlite/src/src/notify.c

 /*
 ** 2009 March 3
 **
 ** The author disclaims copyright to this source code.  In place of
 ** a legal notice, here is a blessing:
 **
 **    May you do good and not evil.
 **    May you find forgiveness for yourself and forgive others.
 **    May you share freely, never taking more than you give.
 **
@@ skipping 166 matching lines @@
       db->pUnlockConnection = db->pBlockingConnection;
       db->xUnlockNotify = xNotify;
       db->pUnlockArg = pArg;
       removeFromBlockedList(db);
       addToBlockedList(db);
     }
   }
 
   leaveMutex();
   assert( !db->mallocFailed );
-  sqlite3Error(db, rc, (rc?"database is deadlocked":0));
+  sqlite3ErrorWithMsg(db, rc, (rc?"database is deadlocked":0));
   sqlite3_mutex_leave(db->mutex);
   return rc;
 }
 
 /*
 ** This function is called while stepping or preparing a statement 
 ** associated with connection db. The operation will return SQLITE_LOCKED
 ** to the user because it requires a lock that will not be available
 ** until connection pBlocker concludes its current transaction.
 */
@@ skipping 125 matching lines @@
 ** being closed. The connection is removed from the blocked list.
 */
 void sqlite3ConnectionClosed(sqlite3 *db){
   sqlite3ConnectionUnlocked(db);
   enterMutex();
   removeFromBlockedList(db);
   checkListProperties(db);
   leaveMutex();
 }
 #endif