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Diffstat (limited to 'src/H5ESmodule.h')
| -rw-r--r-- | src/H5ESmodule.h | 33 |
1 files changed, 33 insertions, 0 deletions
diff --git a/src/H5ESmodule.h b/src/H5ESmodule.h index ea9fd7a..cbc812e 100644 --- a/src/H5ESmodule.h +++ b/src/H5ESmodule.h @@ -29,4 +29,37 @@ #define H5_MY_PKG_ERR H5E_EVENTSET #define H5_MY_PKG_INIT YES +/** + * \defgroup H5ES H5ES + * \brief Event Set Interface + * + * \details \Bold{This interface can be only used with the HDF5 VOL connectors that + * enable the asynchronous feature in HDF5.} The native HDF5 library has + * only synchronous operations. + * + * HDF5 VOL connectors with support for asynchronous operations: + * - ASYNC + * - DAOS + * + * \par Example: + * \code + * fid = H5Fopen(..); + * gid = H5Gopen(fid, ..); //Starts when H5Fopen completes + * did = H5Dopen(gid, ..); //Starts when H5Gopen completes + * + * es_id = H5EScreate(); // Create event set for tracking async operations + * status = H5Dwrite_async(did, .., es_id); //Asynchronous, starts when H5Dopen completes, + * // may run concurrently with other H5Dwrite_async + * // in event set. + * status = H5Dwrite_async(did, .., es_id); //Asynchronous, starts when H5Dopen completes, + * // may run concurrently with other H5Dwrite_async + * // in event set.... + * <other user code> + * ... + * H5ESwait(es_id); // Wait for operations in event set to complete, buffers + * // used for H5Dwrite_async must only be changed after wait + * // returns. + * \endcode + */ + #endif /* H5ESmodule_H */ |