[svn-r23685] Issue 8380 H5Zunregister caused seg fault. I simplied the iteration process over datasets, groups, and files as Quincey suggested. I also removed H5I_search that I introduced in last commit but didn't actually used it.

Tested on jam and koala - simple change.
This commit is contained in:
Raymond Lu 2013-05-08 11:36:58 -05:00
parent 8ec42ced80
commit 90ccb5c3c3
4 changed files with 58 additions and 90 deletions

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@ -2002,55 +2002,21 @@ H5Isearch(H5I_type_t type, H5I_search_func_t func, void *key)
if(H5I_IS_LIB_TYPE(type))
HGOTO_ERROR(H5E_ATOM, H5E_BADGROUP, NULL, "cannot call public function on library type")
if((ret_value = H5I_search(type, func, key)) == NULL)
HGOTO_ERROR(H5E_ATOM, H5E_BADGROUP, NULL, "cannot call public function on library type")
done:
FUNC_LEAVE_API(ret_value)
} /* end H5Isearch() */
/*-------------------------------------------------------------------------
* Function: H5I_search
*
* Purpose: Private function for H5Isearch
*
* Return: Success: The first object in the type for which FUNC
* returns non-zero. NULL if FUNC returned zero
* for every object in the type.
*
* Failure: NULL
*
* Programmer: James Laird
* Nathaniel Furrer
* Friday, April 23, 2004
*
*-------------------------------------------------------------------------
*/
void *
H5I_search(H5I_type_t _type, H5I_search_func_t _func, void *_key)
{
H5I_search_ud_t udata; /* Context for iteration */
void *ret_value; /* Return value */
FUNC_ENTER_NOAPI(NULL)
/* Set up udata struct */
udata.app_cb = _func;
udata.app_key = _key;
udata.app_cb = func;
udata.app_key = key;
udata.ret_obj = NULL;
/* Note that H5I_iterate returns an error code. We ignore it
* here, as we can't do anything with it without revising the API.
*/
if(H5I_iterate(_type, H5I_search_cb, &udata, TRUE) < 0)
HGOTO_ERROR(H5E_ATOM, H5E_BADGROUP, NULL, "cannot call public function on library type")
H5I_iterate(type, H5I_search_cb, &udata, TRUE);
/* Set return value */
ret_value = udata.ret_obj;
done:
FUNC_LEAVE_NOAPI(ret_value)
FUNC_LEAVE_API(ret_value)
} /* end H5Isearch() */

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@ -78,7 +78,6 @@ H5_DLL H5I_type_t H5I_get_type(hid_t id);
H5_DLL hid_t H5I_get_file_id(hid_t obj_id, hbool_t app_ref);
H5_DLL void *H5I_remove(hid_t id);
H5_DLL void *H5I_remove_verify(hid_t id, H5I_type_t id_type);
H5_DLL void *H5I_search(H5I_type_t _type, H5I_search_func_t _func, void *_key);
H5_DLL herr_t H5I_iterate(H5I_type_t type, H5I_search_func_t func, void *udata, hbool_t app_ref);
H5_DLL int H5I_get_ref(hid_t id, hbool_t app_ref);
H5_DLL int H5I_inc_ref(hid_t id, hbool_t app_ref);

101
src/H5Z.c
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@ -71,6 +71,7 @@ static H5Z_stats_t *H5Z_stat_table_g = NULL;
/* Local functions */
static int H5Z_find_idx(H5Z_filter_t id);
static int H5Z_get_object_cb(void *obj_ptr, hid_t obj_id, void *key);
static int H5Z_get_file_cb(void *obj_ptr, hid_t obj_id, void *key);
/*-------------------------------------------------------------------------
@ -415,8 +416,6 @@ done:
herr_t
H5Z_unregister (H5Z_filter_t filter_id)
{
size_t num_obj_id = 0;
size_t num_file_id = 0;
size_t filter_index; /* Local index variable for filter */
H5Z_object_t object;
herr_t ret_value=SUCCEED; /* Return value */
@ -434,39 +433,27 @@ H5Z_unregister (H5Z_filter_t filter_id)
if (filter_index>=H5Z_table_used_g)
HGOTO_ERROR(H5E_PLINE, H5E_NOTFOUND, FAIL, "filter is not registered")
/* Count the number of opened datasets and groups among all opened files */
if(H5F_get_obj_count(NULL, H5F_OBJ_DATASET | H5F_OBJ_GROUP, FALSE, &num_obj_id) < 0)
HGOTO_ERROR(H5E_FILE, H5E_CANTGET, FAIL, "can't get object number")
/* Initialize the structure object for iteration */
object.filter_id = filter_id;
object.found = FALSE;
if(num_obj_id) {
/* Initialize it here because it isn't needed when the object is file */
object.filter_id = filter_id;
object.found = FALSE;
/* Iterate through all opened datasets, returns a failure if any of them uses the filter */
if(H5I_iterate(H5I_DATASET, H5Z_get_object_cb, &object, FALSE) < 0)
HGOTO_ERROR(H5E_FILE, H5E_BADITER, FAIL, "iteration failed")
/* Iterate through all opened datasets, returns a failure if any of them uses the filter */
if(H5I_iterate(H5I_DATASET, H5Z_get_object_cb, &object, FALSE) < 0)
HGOTO_ERROR(H5E_FILE, H5E_BADITER, FAIL, "iteration failed")
if(object.found)
HGOTO_ERROR(H5E_PLINE, H5E_CANTRELEASE, FAIL, "can't unregister filter because a dataset is still using it")
if(object.found)
HGOTO_ERROR(H5E_PLINE, H5E_CANTRELEASE, FAIL, "can't unregister filter because a dataset is still using it")
/* Iterate through all opened groups, returns a failure if any of them uses the filter */
if(H5I_iterate(H5I_GROUP, H5Z_get_object_cb, &object, FALSE) < 0)
HGOTO_ERROR(H5E_FILE, H5E_BADITER, FAIL, "iteration failed")
/* Iterate through all opened groups, returns a failure if any of them uses the filter */
if(H5I_iterate(H5I_GROUP, H5Z_get_object_cb, &object, FALSE) < 0)
HGOTO_ERROR(H5E_FILE, H5E_BADITER, FAIL, "iteration failed")
if(object.found)
HGOTO_ERROR(H5E_PLINE, H5E_CANTRELEASE, FAIL, "can't unregister filter because a group is still using it")
if(object.found)
HGOTO_ERROR(H5E_PLINE, H5E_CANTRELEASE, FAIL, "can't unregister filter because a group is still using it")
}
/* Count the number of opened files */
if(H5F_get_obj_count(NULL, H5F_OBJ_FILE, FALSE, &num_file_id) < 0)
HGOTO_ERROR(H5E_FILE, H5E_CANTGET, FAIL, "can't get file number")
/* Iterate through all opened files and flush them */
if(num_file_id) {
if(H5I_iterate(H5I_FILE, H5Z_get_object_cb, &object, FALSE) < 0)
HGOTO_ERROR(H5E_FILE, H5E_BADITER, FAIL, "iteration failed")
}
if(H5I_iterate(H5I_FILE, H5Z_get_file_cb, NULL, FALSE) < 0)
HGOTO_ERROR(H5E_FILE, H5E_BADITER, FAIL, "iteration failed")
/* Remove filter from table */
/* Don't worry about shrinking table size (for now) */
@ -487,8 +474,7 @@ done:
* Purpose: The callback function for H5Z_unregister. It iterates
* through all opened objects. If the object is a dataset
* or a group and it uses the filter to be unregistered, the
* function returns TRUE. If the object is a file, the function
* flushes it to the disk.
* function returns TRUE.
*
* Return: TRUE if the object uses the filter.
* FALSE otherwise.
@ -516,23 +502,6 @@ H5Z_get_object_cb(void *obj_ptr, hid_t obj_id, void *key)
HGOTO_ERROR(H5E_ARGS, H5E_BADTYPE, FAIL, "bad object id");
switch(id_type) {
case H5I_FILE:
{
H5F_t *f = NULL; /* File to query */
if(NULL == (f = (H5F_t *)H5I_object_verify(obj_id, H5I_FILE)))
HGOTO_ERROR(H5E_ARGS, H5E_BADTYPE, FAIL, "not a file")
/* Call the flush routine for mounted file hierarchies. Do a global flush
* if the file is opened for write */
if(H5F_ACC_RDWR & H5F_INTENT(f)) {
if(H5F_flush_mounts(f, H5AC_dxpl_id) < 0)
HGOTO_ERROR(H5E_FILE, H5E_CANTFLUSH, FAIL, "unable to flush file hierarchy")
} /* end if */
/* H5I_iterate expects FALSE to continue to other files */
HGOTO_DONE(FALSE)
}
case H5I_GROUP:
if((ocpl_id = H5G_get_create_plist(obj_ptr)) < 0)
HGOTO_ERROR(H5E_ARGS, H5E_CANTGET, FAIL, "can't get group creation property list")
@ -566,8 +535,42 @@ H5Z_get_object_cb(void *obj_ptr, hid_t obj_id, void *key)
done:
FUNC_LEAVE_NOAPI(ret_value)
} /* end H5F_get_objects_cb() */
} /* end H5F_get_object_cb() */
/*-------------------------------------------------------------------------
* Function: H5Z_get_file_cb
*
* Purpose: The callback function for H5Z_unregister. It iterates
* through all opened files and flush them.
*
* Return: FALSE if finishes flushing and moves on
* FAIL if there is an error
*
* Programmer: Raymond Lu
* 6 May 2013
*
*-------------------------------------------------------------------------
*/
static int
H5Z_get_file_cb(void *obj_ptr, hid_t obj_id, void *key)
{
int ret_value = FALSE; /* Return value */
FUNC_ENTER_NOAPI(FAIL)
HDassert(obj_ptr);
/* Call the flush routine for mounted file hierarchies. Do a global flush
* if the file is opened for write */
if(H5F_ACC_RDWR & H5F_INTENT((H5F_t *)obj_ptr)) {
if(H5F_flush_mounts((H5F_t *)obj_ptr, H5AC_dxpl_id) < 0)
HGOTO_ERROR(H5E_FILE, H5E_CANTFLUSH, FAIL, "unable to flush file hierarchy")
} /* end if */
done:
FUNC_LEAVE_NOAPI(ret_value)
} /* end H5F_get_file_cb() */
/*-------------------------------------------------------------------------

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@ -242,14 +242,14 @@ main(void)
if(nerrors)
goto error;
printf("All dataset tests passed.\n");
printf("All filter unregistration tests passed.\n");
h5_cleanup(FILENAME, fapl);
return 0;
error:
nerrors = MAX(1, nerrors);
printf("***** %d DATASET TEST%s FAILED! *****\n",
printf("***** %d FILTER UNREGISTRATION TEST%s FAILED! *****\n",
nerrors, 1 == nerrors ? "" : "S");
return 1;
}