[cig-commits] [commit] master: Fixed bug so only proc 0 creates output dir. (5afa9d0)

[cig_noreply at geodynamics.org]

Repository : ssh://geoshell/pylith

On branch  : master
Link       : https://github.com/geodynamics/pylith/compare/1b3d6d3bc246edc4235d0051142d675d91e9be41...422d933ebf5e19a69537cf35cab1c4497c03fe90

>---------------------------------------------------------------

commit 5afa9d03ad6d9b7db5b385e483b905d84d8202d4
Author: Brad Aagaard <baagaard at usgs.gov>
Date:   Wed Apr 9 16:12:27 2014 -0700

    Fixed bug so only proc 0 creates output dir.


>---------------------------------------------------------------

5afa9d03ad6d9b7db5b385e483b905d84d8202d4
 pylith/meshio/DataWriter.py | 8 +++++++-
 1 file changed, 7 insertions(+), 1 deletion(-)

diff --git a/pylith/meshio/DataWriter.py b/pylith/meshio/DataWriter.py
index b2e3e1d..1898930 100644
--- a/pylith/meshio/DataWriter.py
+++ b/pylith/meshio/DataWriter.py
@@ -55,10 +55,16 @@ class DataWriter(PetscComponent):
     """
     Initialize writer.
     """
+
     import os
     relpath = os.path.dirname(filename)
+    
     if len(relpath) > 0 and not os.path.exists(relpath):
-      os.makedirs(relpath)
+      # Only create directory on proc 0
+      from pylith.mpi.Communicator import mpi_comm_world
+      comm = mpi_comm_world()
+      if 0 == comm.rank:
+        os.makedirs(relpath)
     return