1 files changed, 18 insertions, 0 deletions
diff --git a/libdrm/xf86drm.h b/libdrm/xf86drm.h
index c1d173c44..67bea37ff 100644
--- a/libdrm/xf86drm.h
+++ b/libdrm/xf86drm.h
@@ -667,4 +667,22 @@ extern void drmMsg(const char *format, ...);
 extern int drmSetMaster(int fd);
 extern int drmDropMaster(int fd);
 
+#define DRM_EVENT_CONTEXT_VERSION 1
+
+typedef struct _drmEventContext {
+
+	/* This struct is versioned so we can add more pointers if we
+	 * add more events. */
+	int version;
+
+	void (*page_flip_handler)(int fd,
+				  unsigned int frame, 
+				  unsigned int tv_sec,
+				  unsigned int tv_usec,
+				  void *user_data);
+
+} drmEventContext, *drmEventContextPtr;
+
+extern int drmHandleEvent(int fd, drmEventContextPtr evctx);
+
 #endif