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-rw-r--r--src/corelib/io/qfsfileengine_unix.cpp17
1 files changed, 17 insertions, 0 deletions
diff --git a/src/corelib/io/qfsfileengine_unix.cpp b/src/corelib/io/qfsfileengine_unix.cpp
index 8f622d77cd..05b55525b6 100644
--- a/src/corelib/io/qfsfileengine_unix.cpp
+++ b/src/corelib/io/qfsfileengine_unix.cpp
@@ -258,6 +258,23 @@ bool QFSFileEnginePrivate::nativeFlush()
/*!
\internal
+ \since 5.1
+*/
+bool QFSFileEnginePrivate::nativeSyncToDisk()
+{
+ Q_Q(QFSFileEngine);
+#if defined(_POSIX_SYNCHRONIZED_IO) && _POSIX_SYNCHRONIZED_IO > 0
+ const int ret = fdatasync(nativeHandle());
+#else
+ const int ret = fsync(nativeHandle());
+#endif
+ if (ret != 0)
+ q->setError(QFile::WriteError, qt_error_string(errno));
+ return ret == 0;
+}
+
+/*!
+ \internal
*/
qint64 QFSFileEnginePrivate::nativeRead(char *data, qint64 len)
{