Thank you all. Just to be clear, is the native shared lib built with threadsafe?
On Tue, Oct 4, 2016 at 5:06 AM, Dana Robinson <[email protected]> wrote: > Hi all, > > > > Werner is correct. You could build the thread-safe + static library with > ALLOW_UNSUPPORTED (under the advanced options if you use ccmake) and > implement the thread attach/detach code yourself. You can check out the > code in DllMain() at the end of src/H5.c to see what we do, which is > actually quite minimal. Basically, you just have to initialize and clean up > thread-local storage when you attach and detach threads, respectively. > > > > Cheers, > > > > Dana Robinson > > Software Engineer > > The HDF Group > > > > *From:* Hdf-forum [mailto:[email protected]] *On > Behalf Of *Werner Benger > *Sent:* Tuesday, October 4, 2016 2:50 AM > *To:* [email protected] > *Subject:* Re: [Hdf-forum] thread safe work in windows for a hdf static? > > > > Hi Isaac, > > as far as I know the problem with static libraries is not the > threadsafety of HDF5 itself, the code is the same, but the initialization & > cleanup code. With a shared library, there are such defined entry points > when loading and unloading a shared library which does a clean > initialization and cleanup, but with a static library there is no such > option. If you'd want to use threadsafe HDF5 with the static library, you > would need to explicitly call the initialization & cleanup, for instance > from your main program or from another shared library at startup/cleanup. > I'm not sure whether HDF5 1.8.17 explicitly supports such, it may be > possible but not implemented that way. > > Werner > > > > On 03.10.2016 20:59, Isaac Gerg wrote: > > I see in the docs that as of 1.8.6 hdf threadsafe is available for windows > but only if you use link hdf shared. Is this true with 1.8.17 (or the > latest hdf version)? > > > > Is thread safe available for hdf static in windows? > > > > Thanks, > > isaac > > > > > _______________________________________________ > > Hdf-forum is for HDF software users discussion. > > [email protected] > > http://lists.hdfgroup.org/mailman/listinfo/hdf-forum_lists.hdfgroup.org > > Twitter: https://twitter.com/hdf5 > > > > -- > > ___________________________________________________________________________ > > Dr. Werner Benger Visualization Research > > Center for Computation & Technology at Louisiana State University (CCT/LSU) > > 2019 Digital Media Center, Baton Rouge, Louisiana 70803 > > Tel.: +1 225 578 4809 Fax.: +1 225 578-5362 > > > _______________________________________________ > Hdf-forum is for HDF software users discussion. > [email protected] > http://lists.hdfgroup.org/mailman/listinfo/hdf-forum_lists.hdfgroup.org > Twitter: https://twitter.com/hdf5 >
_______________________________________________ Hdf-forum is for HDF software users discussion. [email protected] http://lists.hdfgroup.org/mailman/listinfo/hdf-forum_lists.hdfgroup.org Twitter: https://twitter.com/hdf5
