Refactoring: struct lttng_ust_channel_ops

[lttng-ust.git] / liblttng-ust / ust-events-internal.h

diff --git a/liblttng-ust/ust-events-internal.h b/liblttng-ust/ust-events-internal.h
index be0fa963e11ed1e337543218111ac62d4b9d05bd..44d605c666141071e87aa4b947aeb4b804603908 100644 (file)
--- a/liblttng-ust/ust-events-internal.h
+++ b/liblttng-ust/ust-events-internal.h
@@ -315,6 +315,32 @@ struct lttng_enum {
        uint64_t id;                    /* Enumeration ID in sessiond */
 };
 
+struct lttng_ust_channel_ops_private {
+       struct lttng_ust_channel_ops *pub;      /* Public channels ops interface */
+
+       struct lttng_channel *(*channel_create)(const char *name,
+                       void *buf_addr,
+                       size_t subbuf_size, size_t num_subbuf,
+                       unsigned int switch_timer_interval,
+                       unsigned int read_timer_interval,
+                       unsigned char *uuid,
+                       uint32_t chan_id,
+                       const int *stream_fds, int nr_stream_fds,
+                       int64_t blocking_timeout);
+       void (*channel_destroy)(struct lttng_channel *chan);
+       /*
+        * packet_avail_size returns the available size in the current
+        * packet. Note that the size returned is only a hint, since it
+        * may change due to concurrent writes.
+        */
+       size_t (*packet_avail_size)(struct lttng_ust_lib_ring_buffer_channel *chan,
+                                   struct lttng_ust_shm_handle *handle);
+       int (*is_finalized)(struct lttng_ust_lib_ring_buffer_channel *chan);
+       int (*is_disabled)(struct lttng_ust_lib_ring_buffer_channel *chan);
+       int (*flush_buffer)(struct lttng_ust_lib_ring_buffer_channel *chan,
+                           struct lttng_ust_shm_handle *handle);
+};
+
 static inline
 struct lttng_enabler *lttng_event_enabler_as_enabler(
                struct lttng_event_enabler *event_enabler)