From f432e03e319f1ece247021aa0810c4af1cb50042 Mon Sep 17 00:00:00 2001
From: root <root>
Date: Wed, 31 Oct 2007 17:55:55 +0000
Subject: [PATCH] beginners mistake

---
 ev.c        | 15 +++++++++++++--
 ev_select.c | 19 ++++++++++++++-----
 2 files changed, 27 insertions(+), 7 deletions(-)

diff --git a/ev.c b/ev.c
index 246b38f..e36f182 100644
--- a/ev.c
+++ b/ev.c
@@ -41,8 +41,6 @@
 #include <sys/time.h>
 #include <time.h>
 
-#define HAVE_EPOLL 1
-
 #ifndef HAVE_MONOTONIC
 # ifdef CLOCK_MONOTONIC
 #  define HAVE_MONOTONIC 1
@@ -190,6 +188,19 @@ queue_events (W *events, int eventcnt, int type)
     event (events [i], type);
 }
 
+/* called on EBADF to verify fds */
+static void
+fd_recheck ()
+{
+  int fd;
+
+  for (fd = 0; fd < anfdmax; ++fd)
+    if (anfds [fd].wev)
+      if (fcntl (fd, F_GETFD) == -1 && errno == EBADF)
+        while (anfds [fd].head)
+          evio_stop (anfds [fd].head);
+}
+
 /*****************************************************************************/
 
 static struct ev_timer **timers;
diff --git a/ev_select.c b/ev_select.c
index 1262f48..46a77e2 100644
--- a/ev_select.c
+++ b/ev_select.c
@@ -49,12 +49,16 @@ select_modify (int fd, int oev, int nev)
 
   if (vec_max < (fd >> 5) + 1)
     {
-      vec_max = (fd >> 5) + 1;
+      int new_max = (fd >> 5) + 1;
 
-      vec_ri = (unsigned char *)realloc (vec_ri, vec_max * 4);
-      vec_ro = (unsigned char *)realloc (vec_ro, vec_max * 4); /* could free/malloc */
-      vec_wi = (unsigned char *)realloc (vec_wi, vec_max * 4);
-      vec_wo = (unsigned char *)realloc (vec_wo, vec_max * 4); /* could free/malloc */
+      vec_ri = (unsigned char *)realloc (vec_ri, new_max * 4);
+      vec_ro = (unsigned char *)realloc (vec_ro, new_max * 4); /* could free/malloc */
+      vec_wi = (unsigned char *)realloc (vec_wi, new_max * 4);
+      vec_wo = (unsigned char *)realloc (vec_wo, new_max * 4); /* could free/malloc */
+
+      for (; vec_max < new_max; ++vec_max)
+        ((uint32_t *)vec_ri)[vec_max] =
+        ((uint32_t *)vec_wi)[vec_max] = 0;
     }
 
   vec_ri [offs] |= mask;
@@ -106,6 +110,11 @@ static void select_poll (ev_tstamp timeout)
               }
         }
     }
+  else if (res < 0)
+    {
+      if (errno == EBADF)
+        fd_recheck ();
+    }
 }
 
 void select_init (int flags)
-- 
2.43.0