Merge pull request #7 from villains/master

Add support for EPOLLPRI events for i/o watchers

Signed-off-by: Joachim Nilsson <troglobit@gmail.com>

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.
  */

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 {

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