Implement shm object table

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

diff --git a/include/ust/lttng-events.h b/include/ust/lttng-events.h
index 8f1c98d32eed261964cb9616aa072032a86c04ca..31938327059c09ab218d92eed4c0cae0ba84fcf4 100644 (file)
--- a/include/ust/lttng-events.h
+++ b/include/ust/lttng-events.h
@@ -195,17 +195,20 @@ struct ltt_event {
 };
 
 struct channel;
+struct shm_handle;
 
 struct ltt_channel_ops {
-       struct shm_handle *(*channel_create)(const char *name,
+       struct ltt_channel *(*channel_create)(const char *name,
                                struct ltt_channel *ltt_chan,
                                void *buf_addr,
                                size_t subbuf_size, size_t num_subbuf,
                                unsigned int switch_timer_interval,
                                unsigned int read_timer_interval);
-       void (*channel_destroy)(struct shm_handle *handle);
-       struct lib_ring_buffer *(*buffer_read_open)(struct channel *chan);
-       void (*buffer_read_close)(struct lib_ring_buffer *buf);
+       void (*channel_destroy)(struct ltt_channel *ltt_chan);
+       struct lib_ring_buffer *(*buffer_read_open)(struct channel *chan,
+                               struct shm_handle *handle);
+       void (*buffer_read_close)(struct lib_ring_buffer *buf,
+                               struct shm_handle *handle);
        int (*event_reserve)(struct lib_ring_buffer_ctx *ctx,
                             uint32_t event_id);
        void (*event_commit)(struct lib_ring_buffer_ctx *ctx);
@@ -216,7 +219,8 @@ struct ltt_channel_ops {
         * packet. Note that the size returned is only a hint, since it
         * may change due to concurrent writes.
         */
-       size_t (*packet_avail_size)(struct channel *chan);
+       size_t (*packet_avail_size)(struct channel *chan,
+                                   struct shm_handle *handle);
        //wait_queue_head_t *(*get_reader_wait_queue)(struct channel *chan);
        //wait_queue_head_t *(*get_hp_wait_queue)(struct channel *chan);
        int (*is_finalized)(struct channel *chan);