avoid backend_modify call unless ev_io_set was used

[software/libev.git] / ev++.h

diff --git a/ev++.h b/ev++.h
index d7b4502bde8d06bc5db233a428705286e0afa1e1..604340e19d9e5a84f49dca6783478bfce2bd5abc 100644 (file)
--- a/ev++.h
+++ b/ev++.h
@@ -22,9 +22,9 @@ namespace ev {
       ev_init (this, 0);
     }
 
-    void set_ (void *object, void (*cb)(EV_P_ ev_watcher *w, int revents))
+    void set_ (void *data, void (*cb)(EV_P_ ev_watcher *w, int revents))
     {
-      this->data = object;
+      this->data = data;
       ev_set_cb (static_cast<ev_watcher *>(this), cb);
     }
 
@@ -37,9 +37,8 @@ namespace ev {
     template<class K, void (K::*method)(watcher &w, int)>
     static void method_thunk (EV_P_ ev_watcher *w, int revents)
     {
-      watcher *self = static_cast<watcher *>(w);
-      K *obj = static_cast<K *>(self->data);
-      (obj->*method) (*self, revents);
+      K *obj = static_cast<K *>(w->data);
+      (obj->*method) (*static_cast<watcher *>(w), revents);
     }
 
     template<class K, void (K::*method)(watcher &w, int) const>
@@ -51,22 +50,20 @@ namespace ev {
     template<class K, void (K::*method)(watcher &w, int) const>
     static void const_method_thunk (EV_P_ ev_watcher *w, int revents)
     {
-      watcher *self = static_cast<watcher *>(w);
-      K *obj = static_cast<K *>(self->data);
-      (obj->*method) (*self, revents);
+      K *obj = static_cast<K *>(w->data);
+      (static_cast<K *>(w->data)->*method) (*static_cast<watcher *>(w), revents);
     }
 
     template<void (*function)(watcher &w, int)>
-    void set ()
+    void set (void *data = 0)
     {
-      set_ (0, function_thunk<function>);
+      set_ (data, function_thunk<function>);
     }
 
     template<void (*function)(watcher &w, int)>
     static void function_thunk (EV_P_ ev_watcher *w, int revents)
     {
-      watcher *self = static_cast<watcher *>(w);
-      function (*self, revents);
+      function (*static_cast<watcher *>(w), revents);
     }
 
     void operator ()(int events = EV_UNDEF)