From 0f2256ef28aeacc424782cacd15e93b5605faaee Mon Sep 17 00:00:00 2001
From: "Richard M. Stallman" <rms@gnu.org>
Date: Sun, 19 Nov 1995 03:37:43 +0000
Subject: [PATCH] #undef SIGPOLL and SIGURG as well as SIGIO.

---
 src/s/gnu-linux.h | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/src/s/gnu-linux.h b/src/s/gnu-linux.h
index 1017e2dfe62..8d2278ec7e1 100644
--- a/src/s/gnu-linux.h
+++ b/src/s/gnu-linux.h
@@ -169,6 +169,10 @@ the Free Software Foundation, 675 Mass Ave, Cambridge, MA 02139, USA.  */
 /* Here we assume that signal.h is already included.  */
 #ifdef emacs
 #undef SIGIO
+/* Some versions of Linux define SIGURG and SIGPOLL as aliases for SIGIO.
+   This prevents lossage in process.c.  */
+#undef SIGURG
+#undef SIGPOLL
 #endif
 
 /* This is needed for sysdep.c */
-- 
2.11.4.GIT