$NetBSD: patch-ah,v 1.1 2000/08/28 22:29:35 mjl Exp $

--- src/ptlib/unix/switch.cxx.orig	Mon Aug 28 23:27:44 2000
+++ src/ptlib/unix/switch.cxx	Mon Aug 28 23:29:00 2000
@@ -79,8 +79,10 @@
 #endif
 #endif
 
-#if defined(P_FREEBSD) || defined(P_OPENBSD)
+#if defined(P_FREEBSD) || defined(P_OPENBSD) || defined(P_NETBSD)
 #define	SET_STACK	context[0]._jb[2] = (int)stackTop-16;
+#include <sys/mman.h>
+#define	USE_MMAP	MAP_ANON | MAP_PRIVATE
 #endif
 
 #ifdef __BEOS__