Update lib ring buffer for external consumer

[lttng-ust.git] / libringbuffer / frontend.h

diff --git a/libringbuffer/frontend.h b/libringbuffer/frontend.h
index a88a400395cde93aeeecdea3f6dcfbcb39167bce..9fa0f04d2a67d0bf6e1b46a997755e8fc16ff64e 100644 (file)
--- a/libringbuffer/frontend.h
+++ b/libringbuffer/frontend.h
@@ -62,7 +62,8 @@ int channel_handle_add_stream(struct shm_handle *handle,
  * channel.
  */
 extern
-void *channel_destroy(struct channel *chan, struct shm_handle *handle);
+void *channel_destroy(struct channel *chan, struct shm_handle *handle,
+               int shadow);
 
 
 /* Buffer read operations */
@@ -83,9 +84,11 @@ extern struct lib_ring_buffer *channel_get_ring_buffer(
                                int *shm_fd, int *wait_fd,
                                uint64_t *memory_map_size);
 extern int lib_ring_buffer_open_read(struct lib_ring_buffer *buf,
-                                    struct shm_handle *handle);
+                                    struct shm_handle *handle,
+                                    int shadow);
 extern void lib_ring_buffer_release_read(struct lib_ring_buffer *buf,
-                                        struct shm_handle *handle);
+                                        struct shm_handle *handle,
+                                        int shadow);
 
 /*
  * Read sequence: snapshot, many get_subbuf/put_subbuf, move_consumer.