Implement file-backed ring buffer

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

diff --git a/libringbuffer/shm.h b/libringbuffer/shm.h
index a1ddc4cdf2b06dc27f1d1bb55ecea7af339b89ad..9253e952dea720de230b894a81e77660f377e5bc 100644 (file)
--- a/libringbuffer/shm.h
+++ b/libringbuffer/shm.h
@@ -29,7 +29,7 @@
 /* channel_handle_create - for UST. */
 extern
 struct lttng_ust_shm_handle *channel_handle_create(void *data,
-                               uint64_t memory_map_size);
+                               uint64_t memory_map_size, int wakeup_fd);
 /* channel_handle_add_stream - for UST. */
 extern
 int channel_handle_add_stream(struct lttng_ust_shm_handle *handle,
@@ -88,13 +88,14 @@ void _set_shmp(struct shm_ref *ref, struct shm_ref src)
 struct shm_object_table *shm_object_table_create(size_t max_nb_obj);
 struct shm_object *shm_object_table_alloc(struct shm_object_table *table,
                        size_t memory_map_size,
-                       enum shm_object_type type);
+                       enum shm_object_type type,
+                       const char *shm_path);
 struct shm_object *shm_object_table_append_shm(struct shm_object_table *table,
                        int shm_fd, int wakeup_fd, uint32_t stream_nr,
                        size_t memory_map_size);
 /* mem ownership is passed to shm_object_table_append_mem(). */
 struct shm_object *shm_object_table_append_mem(struct shm_object_table *table,
-                       void *mem, size_t memory_map_size);
+                       void *mem, size_t memory_map_size, int wakeup_fd);
 void shm_object_table_destroy(struct shm_object_table *table);
 
 /*