From 001b2756b36f38d04e5fcf1f4c80b961683a8f77 Mon Sep 17 00:00:00 2001
From: Ivan Maidanski <ivmai@mail.ru>
Date: Tue, 19 Dec 2017 11:19:44 +0300
Subject: [PATCH] New macro (DONT_USE_MMAP) to support testing as if mmap() is
 unavailable

* src/atomic_ops_malloc.c [DONT_USE_MMAP] (HAVE_MMAP): Undefine (after
including config.h).
* tests/test_malloc.c [DONT_USE_MMAP] (HAVE_MMAP): Likewise.
---
 src/atomic_ops_malloc.c | 4 ++++
 tests/test_malloc.c     | 4 ++++
 2 files changed, 8 insertions(+)

diff --git a/src/atomic_ops_malloc.c b/src/atomic_ops_malloc.c
index f78ff40..7cc7ada 100644
--- a/src/atomic_ops_malloc.c
+++ b/src/atomic_ops_malloc.c
@@ -15,6 +15,10 @@
 # include "config.h"
 #endif
 
+#ifdef DONT_USE_MMAP /* for testing */
+# undef HAVE_MMAP
+#endif
+
 #define AO_REQUIRE_CAS
 #include "atomic_ops_malloc.h"
 
diff --git a/tests/test_malloc.c b/tests/test_malloc.c
index 111e231..f799430 100644
--- a/tests/test_malloc.c
+++ b/tests/test_malloc.c
@@ -15,6 +15,10 @@
 # include "config.h"
 #endif
 
+#ifdef DONT_USE_MMAP
+# undef HAVE_MMAP
+#endif
+
 #include "run_parallel.h"
 
 #include <stdlib.h>
-- 
2.7.4