Implement ustctl_unmap_channel()

[lttng-ust.git] / include / ust / lttng-ust-ctl.h

diff --git a/include/ust/lttng-ust-ctl.h b/include/ust/lttng-ust-ctl.h
index 96d627c3838d4c3dc805e4059dd33ab90101e571..58906a57626f1fb29b56b88edcfdf7f0ef5bc147 100644 (file)
--- a/include/ust/lttng-ust-ctl.h
+++ b/include/ust/lttng-ust-ctl.h
@@ -71,7 +71,6 @@ struct lttng_ust_calibrate;
 int ustctl_calibrate(int sock, struct lttng_ust_calibrate *calibrate);
 
 /* TODO: object_data send/recv between sessiond and consumer */
-/* TODO: release shm_handle */
 
 /*
  * Map channel shm_handle and add streams. Typically performed by the
@@ -80,6 +79,11 @@ int ustctl_calibrate(int sock, struct lttng_ust_calibrate *calibrate);
 struct shm_handle *ustctl_map_channel(struct object_data *chan_data);
 int ustctl_add_stream(struct shm_handle *shm_handle,
                struct object_data *stream_data);
+/*
+ * Note: the object_data from which the shm_handle is derived can only
+ * be released after unmapping the handle.
+ */
+void ustctl_unmap_channel(struct shm_handle *shm_handle);
 
 /* Buffer operations */