X-Git-Url: http://git.lttng.org./?a=blobdiff_plain;f=lib%2Fringbuffer%2Ffrontend_types.h;h=5c7437f8127b903ca5acade4623d0bf3af689ea7;hb=7e42c4ec17806634672405848eaacc4815840281;hp=1a3187e64d5653bec97bbaf581606ca4186f13e2;hpb=a88db0185693b52123f541fb19a79d1d23f563a4;p=lttng-modules.git

diff --git a/lib/ringbuffer/frontend_types.h b/lib/ringbuffer/frontend_types.h
index 1a3187e6..5c7437f8 100644
--- a/lib/ringbuffer/frontend_types.h
+++ b/lib/ringbuffer/frontend_types.h
@@ -19,6 +19,7 @@
 #include <linux/kref.h>
 #include "../../wrapper/ringbuffer/config.h"
 #include "../../wrapper/ringbuffer/backend_types.h"
+#include "../../wrapper/spinlock.h"
 #include "../../lib/prio_heap/lttng_prio_heap.h"	/* For per-CPU read-side iterator */
 
 /*
@@ -62,6 +63,8 @@ struct channel {
 	int cpu_hp_enable:1;			/* Enable CPU hotplug notif. */
 	int hp_iter_enable:1;			/* Enable hp iter notif. */
 	wait_queue_head_t read_wait;		/* reader wait queue */
+	wait_queue_head_t hp_wait;		/* CPU hotplug wait queue */
+	int finalized;				/* Has channel been finalized */
 	struct channel_iter iter;		/* Channel read-side iterator */
 	struct kref ref;			/* Reference count */
 };
@@ -126,6 +129,7 @@ struct lib_ring_buffer {
 	union v_atomic records_count;	/* Number of records written */
 	union v_atomic records_overrun;	/* Number of overwritten records */
 	wait_queue_head_t read_wait;	/* reader buffer-level wait queue */
+	wait_queue_head_t write_wait;	/* writer buffer-level wait queue (for metadata only) */
 	int finalized;			/* buffer has been finalized */
 	struct timer_list switch_timer;	/* timer for periodical switch */
 	struct timer_list read_timer;	/* timer for read poll */