From 50e75b3127a23b6e3c49167aab88d4a3012649c4 Mon Sep 17 00:00:00 2001
From: Keith Winstein <keithw@mit.edu>
Date: Thu, 4 Oct 2012 23:51:45 -0400
Subject: [PATCH] Make sure we're not querying fds that we never polled for in
 the first place

---
 src/util/select.h | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/src/util/select.h b/src/util/select.h
index 4bf4b87..a0168e3 100644
--- a/src/util/select.h
+++ b/src/util/select.h
@@ -37,6 +37,7 @@
 #include <errno.h>
 #include <signal.h>
 #include <sys/select.h>
+#include <assert.h>
 
 #include "fatal_assert.h"
 #include "timestamp.h"
@@ -149,6 +150,7 @@ public:
     const
 #endif
   {
+    assert( FD_ISSET( fd, &all_fds ) );
     return FD_ISSET( fd, &read_fds );
   }
 
@@ -157,6 +159,7 @@ public:
     const
 #endif
   {
+    assert( FD_ISSET( fd, &all_fds ) );
     return FD_ISSET( fd, &error_fds );
   }