H5F_ACC_RDWR: Allow read and write access to file. H5F_ACC_RDONLY: Allow read-only access to file. H5F_ACC_TRUNC: Truncate file, if it already exists, erasing all data previously stored in the file. H5F_ACC_EXCL: Fail if file already exists. H5F_ACC_DEBUG: Print debug information. H5P_DEFAULT: Apply default file access and creation properties.
These properties mean that the TSHDF5 library will not interfere with an application's use of threads. A TSHDF5 library is the same library as regular HDF-5 library, with additional code to synchronize access to the HDF-5 library's internal data structures.