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| author | hunt <hunt> | 2005-09-14 21:13:55 +0000 |
|---|---|---|
| committer | hunt <hunt> | 2005-09-14 21:13:55 +0000 |
| commit | 89ad3fb09bc48bb77aa1dd16af52720aff51ca68 (patch) | |
| tree | e6dac8320b67cb7f86802a8559937c41fd14d5cb | |
| parent | 0235ca6a116e0f20607e4e8d5bd0547750469d16 (diff) | |
| download | systemtap-steved-89ad3fb09bc48bb77aa1dd16af52720aff51ca68.tar.gz systemtap-steved-89ad3fb09bc48bb77aa1dd16af52720aff51ca68.tar.xz systemtap-steved-89ad3fb09bc48bb77aa1dd16af52720aff51ca68.zip | |
2005-09-14 Martin Hunt <hunt@redhat.com>
* map.c (_stp_map_clear): New function. CLears a map but
does not free it.
| -rw-r--r-- | runtime/ChangeLog | 3 | ||||
| -rw-r--r-- | runtime/map.c | 29 |
2 files changed, 32 insertions, 0 deletions
diff --git a/runtime/ChangeLog b/runtime/ChangeLog index 56d35bd9..1f0f429a 100644 --- a/runtime/ChangeLog +++ b/runtime/ChangeLog @@ -1,5 +1,8 @@ 2005-09-14 Martin Hunt <hunt@redhat.com> + * map.c (_stp_map_clear): New function. CLears a map but + does not free it. + * copy.c (__stp_strncpy_from_user): Add ppc64 support. (_stp_strncpy_from_user): Call access_ok(). (_stp_string_from_user): Ditto. diff --git a/runtime/map.c b/runtime/map.c index 179f5098..9d83595d 100644 --- a/runtime/map.c +++ b/runtime/map.c @@ -262,6 +262,35 @@ struct map_node *_stp_map_iter(MAP map, struct map_node *m) return (struct map_node *)m->lnode.next; } +/** Clears all the elements in a map. + * @param map + */ + +void _stp_map_clear(MAP map) +{ + struct map_node *m; + + if (map == NULL) + return; + + map->create = 0; + map->key = NULL; + map->num = 0; + + while (!list_empty(&map->head)) { + m = (struct map_node *)map->head.next; + + /* remove node from old hash list */ + hlist_del_init(&m->hnode); + + /* remove from entry list */ + list_del(&m->lnode); + + /* add to free pool */ + list_add(&m->lnode, &map->pool); + } +} + /** Deletes a map. * Deletes a map, freeing all memory in all elements. Normally done only when the module exits. * @param map |