diff options
Diffstat (limited to 'src/modules/uORB/uORB.h')
| -rw-r--r-- | src/modules/uORB/uORB.h | 9 |
1 files changed, 9 insertions, 0 deletions
diff --git a/src/modules/uORB/uORB.h b/src/modules/uORB/uORB.h index 44dc6614f..a8b19d91f 100644 --- a/src/modules/uORB/uORB.h +++ b/src/modules/uORB/uORB.h @@ -319,6 +319,15 @@ extern int orb_check(int handle, bool *updated) __EXPORT; extern int orb_stat(int handle, uint64_t *time) __EXPORT; /** + * Check if a topic has already been created. + * + * @param meta ORB topic metadata. + * @param instance ORB instance + * @return OK if the topic exists, ERROR otherwise with errno set accordingly. + */ +extern int orb_exists(const struct orb_metadata *meta, int instance) __EXPORT; + +/** * Return the priority of the topic * * @param handle A handle returned from orb_subscribe. |