diff options
Diffstat (limited to 'src/H5Osdspace.c')
| -rw-r--r-- | src/H5Osdspace.c | 110 |
1 files changed, 108 insertions, 2 deletions
diff --git a/src/H5Osdspace.c b/src/H5Osdspace.c index f1f5d36..9c19675 100644 --- a/src/H5Osdspace.c +++ b/src/H5Osdspace.c @@ -31,6 +31,11 @@ static void *H5O_sdspace_copy(const void *_mesg, void *_dest, unsigned update_fl static size_t H5O_sdspace_size(const H5F_t *f, const void *_mesg); static herr_t H5O_sdspace_reset(void *_mesg); static herr_t H5O_sdspace_free (void *_mesg); +static herr_t H5O_sdspace_get_share (H5F_t *f, const void *_mesg, + H5O_shared_t *sh); +static herr_t H5O_sdspace_set_share (H5F_t *f, void *_mesg, + const H5O_shared_t *sh); +static htri_t H5O_sdspace_is_shared (const void *_mesg); static herr_t H5O_sdspace_debug(H5F_t *f, hid_t dxpl_id, const void *_mesg, FILE * stream, int indent, int fwidth); @@ -47,8 +52,9 @@ const H5O_msg_class_t H5O_MSG_SDSPACE[1] = {{ H5O_sdspace_free, /* free method */ NULL, /* file delete method */ NULL, /* link method */ - NULL, /* get share method */ - NULL, /* set share method */ + H5O_sdspace_get_share, /* get share method */ + H5O_sdspace_set_share, /* set share method */ + H5O_sdspace_is_shared, /* is shared method */ NULL, /* pre copy native value to file */ NULL, /* copy native value to file */ NULL, /* post copy native value to file */ @@ -441,6 +447,106 @@ H5O_sdspace_free (void *mesg) } +/*------------------------------------------------------------------------- + * Function: H5O_sdspace_get_share + * + * Purpose: Gets sharing information from the message + * + * Return: Non-negative on success/Negative on failure + * + * Programmer: James Laird + * Tuesday, October 10, 2006 + * + * Modifications: + * + *------------------------------------------------------------------------- + */ +static herr_t +H5O_sdspace_get_share(H5F_t UNUSED *f, const void *_mesg, + H5O_shared_t *sh /*out*/) +{ + H5S_extent_t *mesg = (H5S_extent_t *)_mesg; + herr_t ret_value = SUCCEED; + FUNC_ENTER_NOAPI_NOINIT_NOFUNC(H5O_sdspace_get_share); + + HDassert (mesg); + HDassert (sh); + + + if(NULL == H5O_copy(H5O_SHARED_ID, &(mesg->sh_loc), sh)) + ret_value = FAIL; + + FUNC_LEAVE_NOAPI(ret_value); +} + +/*------------------------------------------------------------------------- + * Function: H5O_sdspace_set_share + * + * Purpose: Sets sharing information for the message + * + * Return: Non-negative on success/Negative on failure + * + * Programmer: James Laird + * Tuesday, October 10, 2006 + * + * Modifications: + * + *------------------------------------------------------------------------- + */ +static herr_t +H5O_sdspace_set_share(H5F_t UNUSED *f, void *_mesg/*in,out*/, + const H5O_shared_t *sh) +{ + H5S_extent_t *mesg = (H5S_extent_t *)_mesg; + herr_t ret_value = SUCCEED; + FUNC_ENTER_NOAPI_NOINIT_NOFUNC(H5O_sdspace_set_share); + + HDassert (mesg); + HDassert (sh); + + if(NULL == H5O_copy(H5O_SHARED_ID, sh, &(mesg->sh_loc))) + ret_value = FAIL; + + FUNC_LEAVE_NOAPI(ret_value); +} + +/*------------------------------------------------------------------------- + * Function: H5O_sdspace_is_shared + * + * Purpose: Determines if this dataspace is shared (committed or a SOHM) + * or not. + * + * Return: TRUE if dataspace is shared + * FALSE if dataspace is not shared + * Negative on failure + * + * Programmer: James Laird + * Monday, October 16, 2006 + * + *------------------------------------------------------------------------- + */ +static htri_t +H5O_sdspace_is_shared (const void *_mesg) +{ + H5S_extent_t *mesg = (H5S_extent_t *)_mesg; + htri_t ret_value; + FUNC_ENTER_NOAPI_NOINIT_NOFUNC(H5O_sdspace_is_shared) + + HDassert(mesg); + + /* Dataspaces can't currently be committed, but this should let the + * library read a "committed dataspace" if we ever create one in + * the future. + */ + if(mesg->sh_loc.flags & (H5O_COMMITTED_FLAG | H5O_SHARED_IN_HEAP_FLAG)) + ret_value = TRUE; + else + ret_value = FALSE; + + FUNC_LEAVE_NOAPI(ret_value) + +} /* end H5O_sdspace_is_shared */ + /*-------------------------------------------------------------------------- NAME H5O_sdspace_debug |