mmap(2) requires MAP_PRIVATE ^ MAP_SHARED for flags;

found by kristaps@ on Mac OS X

diff --git a/usr.bin/mandoc/mansearch.c b/usr.bin/mandoc/mansearch.c
index b457453..32fb2d9 100644 (file)
--- a/usr.bin/mandoc/mansearch.c
+++ b/usr.bin/mandoc/mansearch.c
@@ -1,4 +1,4 @@
-/*     $Id: mansearch.c,v 1.30 2014/08/08 17:36:21 schwarze Exp $ */
+/*     $Id: mansearch.c,v 1.31 2014/08/09 14:24:49 schwarze Exp $ */
 /*
  * Copyright (c) 2012 Kristaps Dzonsons <kristaps@bsd.lv>
  * Copyright (c) 2013, 2014 Ingo Schwarze <schwarze@openbsd.org>
@@ -112,7 +112,8 @@ mansearch_setup(int start)
                }
 
                pagecache = mmap(NULL, PC_PAGESIZE * PC_NUMPAGES,
-                   PROT_READ | PROT_WRITE, MAP_ANON, -1, 0);
+                   PROT_READ | PROT_WRITE,
+                   MAP_SHARED | MAP_ANON, -1, 0);
 
                if (MAP_FAILED == pagecache) {
                        perror("mmap");