1 files changed, 7 insertions, 0 deletions
diff --git a/src/core/defs.h b/src/core/defs.h
index ff36cb3f..abb340bc 100644
--- a/src/core/defs.h
+++ b/src/core/defs.h
@@ -56,6 +56,13 @@ typedef struct {
 	size_t	iov_len;
 } nni_iov;
 
+// Notify descriptor.
+typedef struct {
+	int	sn_wfd; // written to in order to flag an event
+	int	sn_rfd; // read from in order to clear an event
+	int	sn_init;
+} nni_notifyfd;
+
 // Some default timing things.
 #define NNI_TIME_NEVER		((nni_time) -1)
 #define NNI_TIME_ZERO		((nni_time) 0)