diff options
Diffstat (limited to 'src/H5Fio.c')
| -rw-r--r-- | src/H5Fio.c | 91 |
1 files changed, 90 insertions, 1 deletions
diff --git a/src/H5Fio.c b/src/H5Fio.c index 5a9d2c1..53fec97 100644 --- a/src/H5Fio.c +++ b/src/H5Fio.c @@ -233,12 +233,101 @@ H5F_block_write(H5F_t *f, H5FD_mem_t type, haddr_t addr, size_t size, const void /* Pass through page buffer layer */ if (H5PB_write(f->shared, map_type, addr, size, buf) < 0) HGOTO_ERROR(H5E_IO, H5E_WRITEERROR, FAIL, "write through page buffer failed") - done: FUNC_LEAVE_NOAPI(ret_value) } /* end H5F_block_write() */ /*------------------------------------------------------------------------- + * Function: H5F_shared_select_read + * + * Purpose: Reads some data from a file/server/etc into a buffer. + * The location of the data is defined by the mem_spaces and + * file_spaces dataspace arrays, along with the offsets + * array. The addresses is relative to the base address for + * the file. + * + * Return: Non-negative on success/Negative on failure + * + * Programmer: Neil Fortner + * May 3 2021 + * + *------------------------------------------------------------------------- + */ +herr_t +H5F_shared_select_read(H5F_shared_t *f_sh, H5FD_mem_t type, uint32_t count, H5S_t **mem_spaces, + H5S_t **file_spaces, haddr_t offsets[], size_t element_sizes[], void *bufs[] /* out */) +{ + H5FD_mem_t map_type; /* Mapped memory type */ + herr_t ret_value = SUCCEED; /* Return value */ + + FUNC_ENTER_NOAPI(FAIL) + + /* Sanity checks */ + HDassert(f_sh); + HDassert((mem_spaces) || (count == 0)); + HDassert((file_spaces) || (count == 0)); + HDassert((offsets) || (count == 0)); + HDassert((element_sizes) || (count == 0)); + HDassert((bufs) || (count == 0)); + + /* Treat global heap as raw data */ + map_type = (type == H5FD_MEM_GHEAP) ? H5FD_MEM_DRAW : type; + + /* Pass down to file driver layer (bypass page buffer for now) */ + if (H5FD_read_selection(f_sh->lf, map_type, count, mem_spaces, file_spaces, offsets, element_sizes, + bufs) < 0) + HGOTO_ERROR(H5E_IO, H5E_READERROR, FAIL, "selection read through file driver failed") + +done: + FUNC_LEAVE_NOAPI(ret_value) +} /* end H5F_shared_select_read() */ + +/*------------------------------------------------------------------------- + * Function: H5F_shared_select_write + * + * Purpose: Writes some data from a buffer to a file/server/etc. + * The location of the data is defined by the mem_spaces and + * file_spaces dataspace arrays, along with the offsets + * array. The addresses is relative to the base address for + * the file. + * + * Return: Non-negative on success/Negative on failure + * + * Programmer: Neil Fortner + * May 4 2021 + * + *------------------------------------------------------------------------- + */ +herr_t +H5F_shared_select_write(H5F_shared_t *f_sh, H5FD_mem_t type, uint32_t count, H5S_t **mem_spaces, + H5S_t **file_spaces, haddr_t offsets[], size_t element_sizes[], const void *bufs[]) +{ + H5FD_mem_t map_type; /* Mapped memory type */ + herr_t ret_value = SUCCEED; /* Return value */ + + FUNC_ENTER_NOAPI(FAIL) + + /* Sanity checks */ + HDassert(f_sh); + HDassert((mem_spaces) || (count == 0)); + HDassert((file_spaces) || (count == 0)); + HDassert((offsets) || (count == 0)); + HDassert((element_sizes) || (count == 0)); + HDassert((bufs) || (count == 0)); + + /* Treat global heap as raw data */ + map_type = (type == H5FD_MEM_GHEAP) ? H5FD_MEM_DRAW : type; + + /* Pass down to file driver layer (bypass page buffer for now) */ + if (H5FD_write_selection(f_sh->lf, map_type, count, mem_spaces, file_spaces, offsets, element_sizes, + bufs) < 0) + HGOTO_ERROR(H5E_IO, H5E_WRITEERROR, FAIL, "selection write through file driver failed") + +done: + FUNC_LEAVE_NOAPI(ret_value) +} /* end H5F_shared_select_write() */ + +/*------------------------------------------------------------------------- * Function: H5F_flush_tagged_metadata * * Purpose: Flushes metadata with specified tag in the metadata cache |