Implement ring buffer periodic buffer switch timer

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

diff --git a/libringbuffer/frontend.h b/libringbuffer/frontend.h
index b59948df7b42e8b7d62c61c1c97429fb92504998..2eda6e945b218c8b557886084202feb4b5151716 100644 (file)
--- a/libringbuffer/frontend.h
+++ b/libringbuffer/frontend.h
@@ -109,6 +109,12 @@ extern int lib_ring_buffer_open_read(struct lttng_ust_lib_ring_buffer *buf,
 extern void lib_ring_buffer_release_read(struct lttng_ust_lib_ring_buffer *buf,
                                         struct lttng_ust_shm_handle *handle);
 
+/*
+ * Initialize signals for ring buffer. Should be called early e.g. by
+ * main() in the program to affect all threads.
+ */
+void lib_ringbuffer_signal_init(void);
+
 /*
  * Read sequence: snapshot, many get_subbuf/put_subbuf, move_consumer.
  */