i_poll_events interface moved to poller_base.hpp

Signed-off-by: Martin Sustrik <sustrik@250bpm.com>

1 files changed, 18 insertions, 2 deletions

diff --git a/src/poller_base.hpp b/src/poller_base.hpp
index 8d9ed16..4822e0e 100644
--- a/src/poller_base.hpp
+++ b/src/poller_base.hpp
@@ -30,10 +30,26 @@
 namespace xs
 {
 
-    struct i_poll_events;
-
+    //  Handle of a file descriptor within a pollset.
     typedef void* handle_t;
 
+    // Virtual interface to be exposed by object that want to be notified
+    // about events on file descriptors.
+
+    struct i_poll_events
+    {
+        virtual ~i_poll_events () {}
+ 
+        // Called by I/O thread when file descriptor is ready for reading.
+        virtual void in_event (fd_t fd_) = 0;
+ 
+        // Called by I/O thread when file descriptor is ready for writing.
+        virtual void out_event (fd_t fd_) = 0;
+ 
+        // Called when timer expires.
+        virtual void timer_event (int id_) = 0;
+    };
+
     class poller_base_t
     {
     public: