Fix issue with output in parallel

78866c06 · Douglas Serson · 2c38d5c2 · 78866c06
Commit 78866c06 authored Oct 17, 2016 by Douglas Serson
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library/LibUtilities/BasicUtils/FieldIO.cpp library/LibUtilities/BasicUtils/FieldIO.cpp +8 -0

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--- a/library/LibUtilities/BasicUtils/FieldIO.cpp
+++ b/library/LibUtilities/BasicUtils/FieldIO.cpp
@@ -486,6 +486,14 @@ std::string FieldIO::SetUpOutput(const std::string outname, bool perRank)
        }

        m_comm->Block();
+
+        // Sit in a loop and make sure target directory has been created
+        int created = 0;
+        while (!created)
+        {
+            created = fs::is_directory(specPath);
+            m_comm->AllReduce(created, ReduceMin);
+        }
    }
    else
    {