From 41c2bd9a5c30ffbb1e026482bb35f47141e3c777 Mon Sep 17 00:00:00 2001
From: root <root>
Date: Mon, 12 Nov 2007 01:11:36 +0000
Subject: half-assed ev_flags emulation

---
 event.c | 16 +++++++++++++++-
 event.h | 10 +++++++++-
 2 files changed, 24 insertions(+), 2 deletions(-)

diff --git a/event.c b/event.c
index 5dc0da6..b4ac267 100644
--- a/event.c
+++ b/event.c
@@ -163,7 +163,10 @@ x_cb_io (EV_P_ struct ev_io *w, int revents)
   if (revents & EV_ERROR)
     event_del (ev);
   else if (!(ev->ev_events & EV_PERSIST) && ev_is_active (w))
-    ev_io_stop (EV_A_ w);
+    {
+      ev_io_stop (EV_A_ w);
+      ev->ev_flags &= ~EVLIST_INSERTED;
+    }
 
   x_cb (ev, revents);
 }
@@ -194,6 +197,7 @@ void event_set (struct event *ev, int fd, short events, void (*cb)(int, short, v
   ev->ev_callback = cb;
   ev->ev_arg      = arg;
   ev->ev_res      = 0;
+  ev->ev_flags    = EVLIST_INIT;
 }
 
 int event_once (int fd, short events, void (*cb)(int, short, void *), void *arg, struct timeval *tv)
@@ -212,19 +216,27 @@ int event_add (struct event *ev, struct timeval *tv)
     {
       ev_signal_set (&ev->iosig.sig, ev->ev_fd);
       ev_signal_start (EV_A_ &ev->iosig.sig);
+
+      ev->ev_flags |= EVLIST_SIGNAL;
     }
   else if (ev->ev_events & (EV_READ | EV_WRITE))
     {
       ev_io_set (&ev->iosig.io, ev->ev_fd, ev->ev_events & (EV_READ | EV_WRITE));
       ev_io_start (EV_A_ &ev->iosig.io);
+
+      ev->ev_flags |= EVLIST_INSERTED;
     }
 
   if (tv)
     {
       ev_timer_set (&ev->to, tv_get (tv), 0.);
       ev_timer_start (EV_A_ &ev->to);
+
+      ev->ev_flags |= EVLIST_TIMEOUT;
     }
 
+  ev->ev_flags |= EVLIST_ACTIVE;
+
   return 0;
 }
 
@@ -248,6 +260,8 @@ int event_del (struct event *ev)
   if (ev_is_active (&ev->to))
     ev_timer_stop (EV_A_ &ev->to);
 
+  ev->ev_flags = EVLIST_INIT;
+
   return 0;
 }
 
diff --git a/event.h b/event.h
index 4e988c6..aee8c38 100644
--- a/event.h
+++ b/event.h
@@ -43,6 +43,13 @@ extern "C" {
 
 struct event_base;
 
+#define EVLIST_TIMEOUT  0x01
+#define EVLIST_INSERTED 0x02
+#define EVLIST_SIGNAL   0x04
+#define EVLIST_ACTIVE   0x08
+#define EVLIST_INTERNAL 0x10
+#define EVLIST_INIT     0x80
+
 struct event
 {
   /* libev watchers we map onto */
@@ -59,6 +66,7 @@ struct event
   int ev_fd;
   int ev_pri;
   int ev_res;
+  int ev_flags;
   short ev_events;
 };
 
@@ -67,7 +75,7 @@ struct event
 #define EVENT_SIGNAL(ev)           ((int) (ev)->ev_fd)
 #define EVENT_FD(ev)               ((int) (ev)->ev_fd)
 
-#define event_initialized(ev)      1
+#define event_initialized(ev)      ((ev)->ev_flags & EVLIST_INIT)
 
 #define evtimer_add(ev,tv)         event_add (ev, tv)
 #define evtimer_set(ev,cb,data)    event_set (ev, -1, 0, cb, data)
-- 
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