From a9a78e8bf011153fbfe982177838c25bae24a48c Mon Sep 17 00:00:00 2001
From: Markus Svilans <msvilans@aeonyx.ca>
Date: Wed, 16 Mar 2016 09:21:07 -0400
Subject: [PATCH] Add support for EPOLLPRI events for i/o watchers

---
 io.c      | 2 +-
 private.h | 2 +-
 uev.h     | 1 +
 3 files changed, 3 insertions(+), 2 deletions(-)

diff --git a/io.c b/io.c
index 55cff52..7de9b55 100644
--- a/io.c
+++ b/io.c
@@ -34,7 +34,7 @@
  * @param cb      I/O callback
  * @param arg     Optional callback argument
  * @param fd      File descriptor to watch, or -1 to register an empty watcher
- * @param events  Requested events to watch for, a mask of %UEV_READ and %UEV_WRITE
+ * @param events  Requested events to watch for, a mask of %UEV_READ, %UEV_WRITE and %UEV_PRI
  *
  * @return POSIX OK(0) or non-zero with @param errno set on error.
  */
diff --git a/private.h b/private.h
index 596b26e..f3b2d46 100644
--- a/private.h
+++ b/private.h
@@ -37,7 +37,7 @@ typedef enum {
 } uev_type_t;
 
 /* Event mask, used internally only. */
-#define UEV_EVENT_MASK  (UEV_READ | UEV_WRITE)
+#define UEV_EVENT_MASK  (UEV_READ | UEV_WRITE | UEV_PRI)
 
 /* Main libuEv context type */
 typedef struct {
diff --git a/uev.h b/uev.h
index 2eb86fb..928b4ac 100644
--- a/uev.h
+++ b/uev.h
@@ -34,6 +34,7 @@
 #define UEV_NONE        0
 #define UEV_READ        EPOLLIN
 #define UEV_WRITE       EPOLLOUT
+#define UEV_PRI         EPOLLPRI
 
 /* Run flags */
 #define UEV_ONCE        1