Did you build the HDF5 library with thread-safety enabled? https://www.hdfgroup.org/hdf5-quest.html#tsafe
Yes, the documentation is inconsistent. ☹ G. From: Hdf-forum [mailto:[email protected]] On Behalf Of Isaac Gerg Sent: Friday, August 26, 2016 5:31 PM To: [email protected] Subject: [Hdf-forum] HDF5 -- multithreading support or not? Hi Folks, I am a need for a windows application to have two threads read the same hdf5 file as read-only. I have searched over months on the internet trying to determine if HDF5 can surely handle this case and have found conflicting results. I have built a test in C++, using the hdf5 C API, to determine if the read is possible. The test occasional segfaults on H5Close(). I am trying to determine if the segfault is due to HDF5 or my own error. TL;DR - can HDF5 on windows support having 2 threads read from the same file as online documentation seems to be inconsistent. Thanks in advance, Isaac
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