From 4f044d6b69a7f9667f046d9ff7c4e1deb351696a Mon Sep 17 00:00:00 2001
From: Andrej Babic <andrej.babic@psi.ch>
Date: Wed, 27 May 2020 18:43:24 +0200
Subject: [PATCH] Add check if file is already closed

---
 sf-writer/src/JFH5Writer.cpp | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/sf-writer/src/JFH5Writer.cpp b/sf-writer/src/JFH5Writer.cpp
index 7823ea2..44588af 100644
--- a/sf-writer/src/JFH5Writer.cpp
+++ b/sf-writer/src/JFH5Writer.cpp
@@ -76,6 +76,10 @@ JFH5Writer::~JFH5Writer()
 
 void JFH5Writer::close_file()
 {
+    if (file_.getId() == -1) {
+        return;
+    }
+
     image_dataset_.close();
 
     hsize_t b_m_dims[2] = {n_images_, 1};