X-Git-Url: http://git.lttng.org/?a=blobdiff_plain;f=libringbuffer%2Ffrontend.h;h=838f88e8eecf50d836dafb52b833e3aa103c65b4;hb=fb31eb73d8a4a6d9784ed5c335b7fa3b9684108c;hp=160fd45532f39573b09178f6924bba71b1f65264;hpb=15500a1bb134d6bbd409da5568308c2a41291928;p=lttng-ust.git

diff --git a/libringbuffer/frontend.h b/libringbuffer/frontend.h
index 160fd455..838f88e8 100644
--- a/libringbuffer/frontend.h
+++ b/libringbuffer/frontend.h
@@ -28,6 +28,8 @@
  *
  * See ring_buffer_frontend.c for more information on wait-free algorithms.
  */
+#include <stddef.h>
+#include <stdint.h>
 
 #include <urcu/compiler.h>
 #include <urcu/uatomic.h>
@@ -65,7 +67,8 @@ struct lttng_ust_shm_handle *channel_create(const struct lttng_ust_lib_ring_buff
 				size_t subbuf_size, size_t num_subbuf,
 				unsigned int switch_timer_interval,
 				unsigned int read_timer_interval,
-				const int *stream_fds, int nr_stream_fds);
+				const int *stream_fds, int nr_stream_fds,
+				int64_t blocking_timeout);
 
 /*
  * channel_destroy finalizes all channel's buffers, waits for readers to
@@ -131,6 +134,11 @@ extern int lib_ring_buffer_snapshot(struct lttng_ust_lib_ring_buffer *buf,
 				    unsigned long *consumed,
 				    unsigned long *produced,
 				    struct lttng_ust_shm_handle *handle);
+extern int lib_ring_buffer_snapshot_sample_positions(
+				    struct lttng_ust_lib_ring_buffer *buf,
+				    unsigned long *consumed,
+				    unsigned long *produced,
+				    struct lttng_ust_shm_handle *handle);
 extern void lib_ring_buffer_move_consumer(struct lttng_ust_lib_ring_buffer *buf,
 					  unsigned long consumed_new,
 					  struct lttng_ust_shm_handle *handle);