From c929d108f229daf124fd2bd309c295a202cfc5ea Mon Sep 17 00:00:00 2001
From: Anne de Jong <anne@amdj.nl>
Date: Wed, 8 Feb 2017 21:38:45 +0100
Subject: [PATCH] Added some error handling for HDF5 when file is in use by
 postprocessor

---
 src/duct/duct.cpp    |  1 +
 src/sys/tasystem.cpp | 22 +++++++++++++++++++++-
 2 files changed, 22 insertions(+), 1 deletion(-)

diff --git a/src/duct/duct.cpp b/src/duct/duct.cpp
index 90d7876..a07d2d9 100644
--- a/src/duct/duct.cpp
+++ b/src/duct/duct.cpp
@@ -5,6 +5,7 @@
 // Description:
 //
 //////////////////////////////////////////////////////////////////////
+#define TRACERPLUS (-10)
 #include "duct.h"
 #include "tasystem.h"
 #include "tasmet_assert.h"
diff --git a/src/sys/tasystem.cpp b/src/sys/tasystem.cpp
index 057b702..e994aa4 100644
--- a/src/sys/tasystem.cpp
+++ b/src/sys/tasystem.cpp
@@ -437,13 +437,33 @@ void TaSystem::exportHDF5(const string& filename) const {
     TRACE(15,"TaSystem::exportHDF5");
     hid_t file_id;
     herr_t status;
+    // hid_t error_stack = H5Eget_current_stack();
+    
+    /* Save old error handler */
+    // herr_t (*old_func)(void*);
+    // void *old_client_data;
+
+    // H5Eget_auto(error_stack, &old_func, &old_client_data);
+    /* Turn off error handling */
+    // H5Eset_auto(error_stack, NULL, NULL);
+    // H5Eset_auto( NULL, NULL);
 
     file_id = H5Fcreate (filename.c_str(),
                          H5F_ACC_TRUNC, // Truncate any existing file
                          H5P_DEFAULT,
                          H5P_DEFAULT);    
 
-    
+    /* Restore previous error handler */
+    // H5Eset_auto(error_stack, old_func, old_client_data);    /// Disable HDF5 error printing
+
+    if(file_id < 0)
+        throw TaSMETError("Creation of export file failed. "
+                          "This could mean that the file is blocked "
+                          "by another program, or the user has insufficient "
+                          "privileges to create the file at the given path."
+                          );
+
+    /// Enable HDF5 error printing
     d freq = getfreq();
     H5LTset_attribute_double(file_id,
                              "/",