From ccf6b1427f94e8c0b495a6f93634004bd935cf5f Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?P=C5=99emysl=20Janouch?= <p.janouch@gmail.com>
Date: Sat, 21 Feb 2015 12:32:51 +0100
Subject: [PATCH] Add a useful assertion to the poller

---
 common.c | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/common.c b/common.c
index 009d325..72c6c45 100644
--- a/common.c
+++ b/common.c
@@ -1212,6 +1212,8 @@ poller_run (struct poller *self)
 			continue;
 
 		struct poller_fd *fd = revents->data.ptr;
+		hard_assert (fd->index != -1);
+
 		struct pollfd pfd;
 		pfd.fd = fd->fd;
 		pfd.revents = poller_epoll_to_poll_events (revents->events);