From c4977e2742acfd90d4c4abd068f1c9e284951ef5 Mon Sep 17 00:00:00 2001
From: root <root>
Date: Fri, 9 Nov 2007 20:55:09 +0000
Subject: *** empty log message ***

---
 README.embed | 32 ++++++++++++++++++++------------
 ev.c         |  2 +-
 ev.h         | 18 ++++++++++++++----
 3 files changed, 35 insertions(+), 17 deletions(-)

diff --git a/README.embed b/README.embed
index 9874f0f..2980a96 100644
--- a/README.embed
+++ b/README.embed
@@ -75,18 +75,6 @@ PREPROCESSOR SYMBOLS
         will also not define any of the structs usually found in "event.h"
         that are not directly supported by libev code alone.
 
-    EV_H
-
-        The name of the ev.h header file used to include it. The default
-        if undefined is <ev.h> in event.h and "ev.h" in ev.c. This can
-        be used to virtually rename the ev.h header file in case of
-        conflicts.
-
-    EV_EVENT_H
-
-        Similarly to EV_H, this macro cna be used to override event.c's idea
-        of how the event.h header can be found.
-
     EV_USE_MONOTONIC
 
         If undefined or defined to be "1", libev will try to detect the
@@ -142,6 +130,18 @@ PREPROCESSOR SYMBOLS
        will be detected at runtime and routed around by disabling this
        backend.
 
+    EV_H
+
+        The name of the ev.h header file used to include it. The default
+        if undefined is <ev.h> in event.h and "ev.h" in ev.c. This can
+        be used to virtually rename the ev.h header file in case of
+        conflicts.
+
+    EV_EVENT_H
+
+        Similarly to EV_H, this macro cna be used to override event.c's idea
+        of how the event.h header can be found.
+
     EV_COMMON
  
        By default, all watchers have a "void *data" member. By redefining
@@ -170,6 +170,14 @@ PREPROCESSOR SYMBOLS
        event loop pointer argument. Instead, all functions act on the
        single default loop.
 
+    EV_CB_DECLARE(type)
+    EV_CB_INVOKE(watcher,revents)
+
+       Can be used to change the callback member declaration in each
+       watcher, and the way callbacks are invoked. Must expand to a struct
+       member definition and a statement, respectively. See the ev.v
+       header file for their default definitions.
+
 EXAMPLES
 
     For a real-world example of a program the includes libev
diff --git a/ev.c b/ev.c
index 20ad7e4..dedd4f3 100644
--- a/ev.c
+++ b/ev.c
@@ -950,7 +950,7 @@ call_pending (EV_P)
         if (p->w)
           {
             p->w->pending = 0;
-            p->w->cb (EV_A_ p->w, p->events);
+            EV_CB_INVOKE (p->w, p->events);
           }
       }
 }
diff --git a/ev.h b/ev.h
index a6065d0..37764cd 100644
--- a/ev.h
+++ b/ev.h
@@ -87,6 +87,13 @@ struct ev_loop;
 #define EV_VERSION_MAJOR 1
 #define EV_VERSION_MINOR 1
 
+#ifndef EV_CB_DECLARE
+# define EV_CB_DECLARE(type) void (*cb)(EV_P_ struct type *w, int revents)
+#endif
+#ifndef EV_CB_INVOKE
+# define EV_CB_INVOKE(watcher,revents) (watcher)->cb (EV_A_ (watcher), (revents))
+#endif
+
 /*
  * struct member types:
  * private: you can look at them, but not change them, and they might not mean anything to you.
@@ -100,7 +107,7 @@ struct ev_loop;
   int pending; /* private */			\
   int priority; /* private */			\
   EV_COMMON; /* rw */				\
-  void (*cb)(EV_P_ struct type *, int revents) /* private */ /* gets invoked with an eventmask */
+  EV_CB_DECLARE (type) /* private */
 
 #define EV_WATCHER_LIST(type)			\
   EV_WATCHER (type);				\
@@ -111,17 +118,20 @@ struct ev_loop;
   ev_tstamp at     /* private */
 
 /* base class, nothing to see here unless you subclass */
-struct ev_watcher {
+struct ev_watcher
+{
   EV_WATCHER (ev_watcher);
 };
 
 /* base class, nothing to see here unless you subclass */
-struct ev_watcher_list {
+struct ev_watcher_list
+{
   EV_WATCHER_LIST (ev_watcher_list);
 };
 
 /* base class, nothing to see here unless you subclass */
-struct ev_watcher_time {
+struct ev_watcher_time
+{
   EV_WATCHER_TIME (ev_watcher_time);
 };
 
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