From 295b8e5608a0680f322223fc2b45b7349e74fd4b Mon Sep 17 00:00:00 2001
From: Guido van Rossum <guido@python.org>
Date: Fri, 6 Jun 1997 21:16:41 +0000
Subject: [PATCH] Add sys/types.h include for pid_t when threading.

---
 Modules/signalmodule.c | 1 +
 1 file changed, 1 insertion(+)

diff --git a/Modules/signalmodule.c b/Modules/signalmodule.c
index e62be1fef03..89cab8973c4 100644
--- a/Modules/signalmodule.c
+++ b/Modules/signalmodule.c
@@ -87,6 +87,7 @@ PERFORMANCE OF THIS SOFTWARE.
 */
 
 #ifdef WITH_THREAD
+#include <sys/types.h> /* For pid_t */
 #include "thread.h"
 static long main_thread;
 static pid_t main_pid;