kerner-ctl: add RING_RING_BUFFER_GET_NEXT_SUBBUF_METADATA_CHECK

[lttng-tools.git] / src / common / kernel-ctl / kernel-ioctl.h

diff --git a/src/common/kernel-ctl/kernel-ioctl.h b/src/common/kernel-ctl/kernel-ioctl.h
index 59d71191f30142a8c207469764344afc526e72d5..ed6555e10e47d87e59f3b4514a42dcee1b4db55a 100644 (file)
--- a/src/common/kernel-ctl/kernel-ioctl.h
+++ b/src/common/kernel-ctl/kernel-ioctl.h
@@ -53,9 +53,10 @@
  * Reset the position of what has been consumed from the metadata cache to 0
  * so it can be read again.
  */
-#define RING_BUFFER_METADATA_CACHE_DUMP        _IO(0xF6, 0x10)
+#define RING_BUFFER_METADATA_CACHE_DUMP                _IO(0xF6, 0x10)
 /* Clear ring buffer content */
-#define RING_BUFFER_CLEAR                       _IO(0xF6, 0x11)
+#define RING_BUFFER_CLEAR                               _IO(0xF6, 0x11)
+#define RING_RING_BUFFER_GET_NEXT_SUBBUF_METADATA_CHECK _IOR(0xF6, 0x12, uint32_t)
 
 /* returns the timestamp begin of the current sub-buffer */
 #define LTTNG_RING_BUFFER_GET_TIMESTAMP_BEGIN     _IOR(0xF6, 0x20, uint64_t)