file.c: Add check that the termination file could be createdsvn

The previous behaviour was a segfault.  See ticket #1456.

git-svn-id: http://svn.cactuscode.org/arrangements/CactusUtils/TerminationTrigger/trunk@22 ec5ace1c-6809-4267-9cad-ed2f0ecfe59c

1 files changed, 7 insertions, 0 deletions

diff --git a/src/file.c b/src/file.c
index b82a7d9..0216e91 100644
--- a/src/file.c
+++ b/src/file.c
@@ -72,6 +72,13 @@ void TerminationTrigger_CreateFile (CCTK_ARGUMENTS)
   }
   
   file = fopen (get_termination_file(), "w");
+  if (!file)
+  {
+    CCTK_VWarn (CCTK_WARN_ABORT, __LINE__, __FILE__, CCTK_THORNSTRING,
+                "Could not create termination file \'%s\'",
+                get_termination_file());
+  }
+
   fclose (file);
 }