From fa991ca566c5aa6651abf0f48559fbb08efd97af Mon Sep 17 00:00:00 2001
From: Elias Pipping <elias.pipping@fu-berlin.de>
Date: Mon, 30 May 2016 12:09:49 +0200
Subject: [PATCH] HDF5: Warn if SWMR is requested but unavailable
---
dune/fufem/hdf5/hdf5file.hh | 11 ++++++++++-
1 file changed, 10 insertions(+), 1 deletion(-)
diff --git a/dune/fufem/hdf5/hdf5file.hh b/dune/fufem/hdf5/hdf5file.hh
index 9344c2b8..4936fe40 100644
--- a/dune/fufem/hdf5/hdf5file.hh
+++ b/dune/fufem/hdf5/hdf5file.hh
@@ -42,10 +42,15 @@ public:
bool const fileExists = stat(filename.c_str(), &buffer) == 0;
unsigned int flags = fileExists ? H5F_ACC_RDWR : H5F_ACC_EXCL;
+ if (swmr) {
#if H5_VERSION_GE(1, 10, 0)
- if (swmr)
flags |= H5F_ACC_SWMR_WRITE;
+#else
+ std::cerr
+ << "WARNING: SWMR requested but not supported by this version of HDF5"
+ << std::endl;
#endif
+ }
file_ = fileExists ? H5Fopen(filename.c_str(), flags, fapl)
: H5Fcreate(filename.c_str(), flags, H5P_DEFAULT, fapl);
@@ -69,6 +74,10 @@ public:
#if H5_VERSION_GE(1, 10, 0)
swmrEnabled_ = true;
H5Fstart_swmr_write(file_);
+#else
+ std::cerr
+ << "WARNING: SWMR requested but not supported by this version of HDF5"
+ << std::endl;
#endif
}
--
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