Add syncToDisk() to QAbstractFileEngine.

This is needed by QSaveFile.

Change-Id: I07ebdfd832c0be65c26f0aed1bb7852ac33135ca
Reviewed-by: Thiago Macieira <thiago.macieira@intel.com>

1 files changed, 13 insertions, 0 deletions

diff --git a/src/corelib/io/qabstractfileengine.cpp b/src/corelib/io/qabstractfileengine.cpp
index b12dc47c52..e046119fe2 100644
--- a/src/corelib/io/qabstractfileengine.cpp
+++ b/src/corelib/io/qabstractfileengine.cpp
@@ -400,6 +400,19 @@ bool QAbstractFileEngine::close()
 }
 
 /*!
+    \since 5.1
+
+    Flushes and syncs the file to disk.
+
+    Returns true if successful; otherwise returns false.
+    The default implementation always returns false.
+*/
+bool QAbstractFileEngine::syncToDisk()
+{
+    return false;
+}
+
+/*!
     Flushes the open file, returning true if successful; otherwise returns
     false.