diff options
Diffstat (limited to 'src/H5Fmpi.c')
-rw-r--r-- | src/H5Fmpi.c | 29 |
1 files changed, 29 insertions, 0 deletions
diff --git a/src/H5Fmpi.c b/src/H5Fmpi.c index fe2a774..ae15142 100644 --- a/src/H5Fmpi.c +++ b/src/H5Fmpi.c @@ -77,6 +77,35 @@ #ifdef H5_HAVE_PARALLEL + +/*------------------------------------------------------------------------- + * Function: H5F_get_mpi_handle + * + * Purpose: Retrieves MPI File handle. + * + * Return: Success: The size (positive) + * Failure: Negative + * + *------------------------------------------------------------------------- + */ +herr_t +H5F_get_mpi_handle(const H5F_t *f, MPI_File **f_handle) +{ + herr_t ret_value = SUCCEED; + hid_t fapl = -1; + + FUNC_ENTER_NOAPI(FAIL) + + assert(f && f->shared); + + /* Dispatch to driver */ + if ((ret_value = H5FD_get_vfd_handle(f->shared->lf, fapl, (void **)f_handle)) < 0) + HGOTO_ERROR(H5E_FILE, H5E_CANTGET, FAIL, "can't get mpi file handle") + +done: + FUNC_LEAVE_NOAPI(ret_value) +} /* end H5F_get_mpi_handle() */ + /*------------------------------------------------------------------------- * Function: H5F_mpi_get_rank |