X-Git-Url: http://git.efficios.com/?p=lttng-tools.git;a=blobdiff_plain;f=src%2Fbin%2Flttng-sessiond%2Frotation-thread.h;h=c7bca0c4b7937fc6e2d4dc114255d32b3af4fc39;hp=64e1ad98d8b1e4306447f44eb92e14940e5afb01;hb=d086f507d02078aed618ab291a0bc4a634958fa3;hpb=4f5fb4c3d8752aae822ed0066784cc77e6f0f508

diff --git a/src/bin/lttng-sessiond/rotation-thread.h b/src/bin/lttng-sessiond/rotation-thread.h
index 64e1ad98d..c7bca0c4b 100644
--- a/src/bin/lttng-sessiond/rotation-thread.h
+++ b/src/bin/lttng-sessiond/rotation-thread.h
@@ -28,6 +28,17 @@
 #include <pthread.h>
 #include "session.h"
 
+/*
+ * The timer thread enqueues struct sessiond_rotation_timer objects in the list
+ * and wake up the rotation thread. When the rotation thread wakes up, it
+ * empties the queue.
+ */
+struct rotation_thread_timer_queue {
+	struct lttng_pipe *event_pipe;
+	struct cds_list_head list;
+	pthread_mutex_t lock;
+};
+
 struct rotation_thread_handle {
 	/*
 	 * Read side of pipes used to communicate with the rotation thread.
@@ -38,13 +49,15 @@ struct rotation_thread_handle {
 	int kernel_consumer;
 	/* quit pipe */
 	int thread_quit_pipe;
+	struct rotation_thread_timer_queue *rotation_timer_queue;
 };
 
 struct rotation_thread_handle *rotation_thread_handle_create(
 		struct lttng_pipe *ust32_channel_rotate_pipe,
 		struct lttng_pipe *ust64_channel_rotate_pipe,
 		struct lttng_pipe *kernel_channel_rotate_pipe,
-		int thread_quit_pipe);
+		int thread_quit_pipe,
+		struct rotation_thread_timer_queue *rotation_timer_queue);
 
 void rotation_thread_handle_destroy(
 		struct rotation_thread_handle *handle);