1 files changed, 3 insertions, 0 deletions
diff --git a/hiredis.h b/hiredis.h
index 4e6e8a3..4635280 100644
--- a/hiredis.h
+++ b/hiredis.h
@@ -68,6 +68,9 @@
  * up as soon as possible. */
 #define REDIS_FREEING 0x8
 
+/* Flag that is set when an async callback is executed. */
+#define REDIS_IN_CALLBACK 0x10
+
 #define REDIS_REPLY_STRING 1
 #define REDIS_REPLY_ARRAY 2
 #define REDIS_REPLY_INTEGER 3