$NetBSD: patch-al,v 1.3 2001/05/12 20:21:37 mycroft Exp $

--- readers.c.orig	Thu Mar  4 11:03:49 1999
+++ readers.c	Sat May 12 20:09:05 2001
@@ -1,5 +1,9 @@
 #include <stdlib.h>
 
+#ifdef __NetBSD__
+#include <sys/param.h>
+#endif
+
 #include <sys/types.h>
 #include <sys/stat.h>
 #include <fcntl.h>
@@ -251,7 +255,12 @@
 		return -1;
 
 	mapend = mapbuf + len;
-	
+
+#if defined(__NetBSD__) && (__NetBSD_Version__ >= 104030000)
+	if(madvise(mapbuf, mapend-mapbuf, MADV_SEQUENTIAL) < 0)
+		fprintf(stderr,"madvise failed, continuing anyways..\n");
+#endif
+
 	if(param.verbose > 1)
 		fprintf(stderr,"Using memory mapped IO for this stream.\n");
 
@@ -268,6 +276,11 @@
 
 static void mapped_close(struct reader *rds)
 {
+#if defined(__NetBSD__) && (__NetBSD_Version__ >= 104030000)
+	if(madvise(mapbuf, mapend-mapbuf, MADV_FREE) < 0)
+		fprintf(stderr,"madvise failed, continuing anyways..\n");
+#endif
+
 	munmap((void *)mapbuf,mapend-mapbuf);
 	if (rds->flags & READER_FD_OPENED)
 		close(rds->filept);