1 files changed, 11 insertions, 1 deletions
diff --git a/src/main.c b/src/main.c
index f104e41ec..58f5443ca 100644
--- a/src/main.c
+++ b/src/main.c
@@ -14,7 +14,7 @@
 ** other files are for internal use by SQLite and should not be
 ** accessed by users of the library.
 **
-** $Id: main.c,v 1.524 2009/02/03 15:50:34 drh Exp $
+** $Id: main.c,v 1.525 2009/02/03 16:51:25 danielk1977 Exp $
 */
 #include "sqliteInt.h"
 
@@ -603,6 +603,16 @@ int sqlite3_close(sqlite3 *db){
   }
   assert( sqlite3SafetyCheckSickOrOk(db) );
 
+  for(j=0; j<db->nDb; j++){
+    Btree *pBt = db->aDb[j].pBt;
+    if( pBt && sqlite3BtreeIsInBackup(pBt) ){
+      sqlite3Error(db, SQLITE_BUSY, 
+          "Unable to close due to unfinished backup operation");
+      sqlite3_mutex_leave(db->mutex);
+      return SQLITE_BUSY;
+    }
+  }
+
   /* Free any outstanding Savepoint structures. */
   sqlite3CloseSavepoints(db);