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-rw-r--r--ev_epoll.c7
1 files changed, 6 insertions, 1 deletions
diff --git a/ev_epoll.c b/ev_epoll.c
index f7e3d60..a324691 100644
--- a/ev_epoll.c
+++ b/ev_epoll.c
@@ -1,7 +1,7 @@
/*
* libev epoll fd activity backend
*
- * Copyright (c) 2007,2008,2009 Marc Alexander Lehmann <libev@schmorp.de>
+ * Copyright (c) 2007,2008,2009,2010 Marc Alexander Lehmann <libev@schmorp.de>
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without modifica-
@@ -49,6 +49,11 @@
* c) the inability to handle fork or file descriptors (think dup)
* limits the applicability over poll, so this is not a generic
* poll replacement.
+ * d) epoll doesn't work the same as select with many file descriptors
+ * (such as files). while not critical, no other advanced interface
+ * seems to share this (rather non-unixy) limitation.
+ * e) epoll claims to be embeddable, but in practise you never get
+ * a ready event for the epoll fd.
*
* lots of "weird code" and complication handling in this file is due
* to these design problems with epoll, as we try very hard to avoid