diff options
Diffstat (limited to 'src/H5Fio.c')
| -rw-r--r-- | src/H5Fio.c | 79 |
1 files changed, 79 insertions, 0 deletions
diff --git a/src/H5Fio.c b/src/H5Fio.c index 53fec97..287dd61 100644 --- a/src/H5Fio.c +++ b/src/H5Fio.c @@ -327,6 +327,85 @@ done: FUNC_LEAVE_NOAPI(ret_value) } /* end H5F_shared_select_write() */ +herr_t +H5F_shared_vector_read(H5F_shared_t *f_sh, uint32_t count, H5FD_mem_t types[], haddr_t addrs[], + size_t sizes[], void *bufs[]) +{ + herr_t ret_value = SUCCEED; + + FUNC_ENTER_NOAPI(FAIL) + + /* Sanity checks */ + HDassert(f_sh); + HDassert((types) || (count == 0)); + HDassert((addrs) || (count == 0)); + HDassert((sizes) || (count == 0)); + HDassert((bufs) || (count == 0)); + + /* + * Note that we don't try to map global heap data to raw + * data here, as it may become expensive to check for when + * I/O vectors are large. This may change in the future, but, + * for now, assume the caller has done this already. + */ +#ifndef NDEBUG + for (uint32_t i = 0; i < count; i++) + HDassert(types[i] != H5FD_MEM_GHEAP); +#endif + + /* Pass down to file driver layer (bypass page buffer for now) */ + if (H5FD_read_vector(f_sh->lf, count, types, addrs, sizes, bufs) < 0) + HGOTO_ERROR(H5E_IO, H5E_READERROR, FAIL, "vector read through file driver failed") + +done: + FUNC_LEAVE_NOAPI(ret_value) +} + +/*------------------------------------------------------------------------- + * Function: H5F_shared_vector_write + * + * Purpose: Writes data from `count` buffers (from the `bufs` array) to + * a file/server/etc. at the offsets provided in the `addrs` + * array, with the data sizes specified in the `sizes` array + * and data memory types specified in the `types` array. The + * addresses are relative to the base address for the file. + * + *------------------------------------------------------------------------- + */ +herr_t +H5F_shared_vector_write(H5F_shared_t *f_sh, uint32_t count, H5FD_mem_t types[], haddr_t addrs[], + size_t sizes[], const void *bufs[]) +{ + herr_t ret_value = SUCCEED; + + FUNC_ENTER_NOAPI(FAIL) + + /* Sanity checks */ + HDassert(f_sh); + HDassert((types) || (count == 0)); + HDassert((addrs) || (count == 0)); + HDassert((sizes) || (count == 0)); + HDassert((bufs) || (count == 0)); + + /* + * Note that we don't try to map global heap data to raw + * data here, as it may become expensive to check for when + * I/O vectors are large. This may change in the future, but, + * for now, assume the caller has done this already. + */ +#ifndef NDEBUG + for (uint32_t i = 0; i < count; i++) + HDassert(types[i] != H5FD_MEM_GHEAP); +#endif + + /* Pass down to file driver layer (bypass page buffer for now) */ + if (H5FD_write_vector(f_sh->lf, count, types, addrs, sizes, bufs) < 0) + HGOTO_ERROR(H5E_IO, H5E_WRITEERROR, FAIL, "vector write through file driver failed") + +done: + FUNC_LEAVE_NOAPI(ret_value) +} + /*------------------------------------------------------------------------- * Function: H5F_flush_tagged_metadata * |