From f6af45add8c900b02f2b88617a765fa610fbe9aa Mon Sep 17 00:00:00 2001
From: Eric Wong <normalperson@yhbt.net>
Date: Mon, 21 Mar 2011 11:01:57 -0700
Subject: inet_diag: fix build under MRI 1.8.7

---
 ext/raindrops/linux_inet_diag.c | 1 +
 1 file changed, 1 insertion(+)

diff --git a/ext/raindrops/linux_inet_diag.c b/ext/raindrops/linux_inet_diag.c
index 7f9caaa..573ffb8 100644
--- a/ext/raindrops/linux_inet_diag.c
+++ b/ext/raindrops/linux_inet_diag.c
@@ -15,6 +15,7 @@
 /* partial emulation of the 1.9 rb_thread_blocking_region under 1.8 */
 #ifndef HAVE_RB_THREAD_BLOCKING_REGION
 #  include <rubysig.h>
+#  define RUBY_UBF_IO ((rb_unblock_function_t *)-1)
 typedef void rb_unblock_function_t(void *);
 typedef VALUE rb_blocking_function_t(void *);
 static VALUE
-- 
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