From 47d5f83bf4c6cdbc05f082a6bca7ef724e08eca4 Mon Sep 17 00:00:00 2001
From: JM Etancelin <jean-matthieu.etancelin@univ-pau.fr>
Date: Tue, 24 Mar 2020 16:09:36 +0100
Subject: [PATCH] improve process safety for some io utility functions
---
hysop/tools/io_utils.py | 8 ++++++--
1 file changed, 6 insertions(+), 2 deletions(-)
diff --git a/hysop/tools/io_utils.py b/hysop/tools/io_utils.py
index de637e606..4c989eda0 100755
--- a/hysop/tools/io_utils.py
+++ b/hysop/tools/io_utils.py
@@ -49,7 +49,10 @@ class IO(object):
@requires_cmd('stat')
def get_fs_type(path):
cmd = ['stat', '-f', '-c', '%T', path]
- fs_type = subprocess.check_output(cmd)
+ fs_type=''
+ if mpi.main_rank==0:
+ fs_type = subprocess.check_output(cmd)
+ fs_type = mpi.main_comm.bcast(fs_type, root=0)
return fs_type.replace('\n', '')
@classmethod
@@ -148,7 +151,8 @@ class IO(object):
raise RuntimeError(msg)
if not os.path.exists(cpath):
try:
- os.makedirs(cpath)
+ if mpi.main_rank==0:
+ os.makedirs(cpath)
except IOError:
pass
return cpath
--
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