Check return status of fsync (Georg Sauthoff).

AUTHORS

@@ -19,4 +19,5 @@ Other contributors:
  - Benjamin Biron <benbiron@gmail.com>
  - Bertrand Benoit <bsquare@bsquare.levillage.org>
  - Tim Teulings <rael@edge.ping.de>
+ - Georg Sauthoff <gsauthof@techfak.uni-bielefeld.de>
 

src/platforms/posix/posixFile.cpp

@@ -126,7 +126,8 @@ void posixFileWriterOutputStream::write(const value_type* const data, const size
 
 void posixFileWriterOutputStream::flush()
 {
-	::fsync(m_fd);
+	if (::fsync(m_fd) == -1)
+		posixFileSystemFactory::reportError(m_path, errno);
 }