From 09b453cec07bceeb4185bc9bc951efbda366472b Mon Sep 17 00:00:00 2001
From: Adam Barth <abarth@google.com>
Date: Wed, 11 Aug 2021 16:58:15 -0700
Subject: Fix FSSupportsMap check

Previously, this check always failed because we did not provide MAP_SHARED
or MAP_PRIVATE.

PiperOrigin-RevId: 390251086
---
 test/syscalls/linux/mmap.cc | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

(limited to 'test/syscalls/linux')

diff --git a/test/syscalls/linux/mmap.cc b/test/syscalls/linux/mmap.cc
index caad575cf..fda176261 100644
--- a/test/syscalls/linux/mmap.cc
+++ b/test/syscalls/linux/mmap.cc
@@ -795,7 +795,7 @@ class MMapFileTest : public MMapTest {
 
   bool FSSupportsMap() const {
     bool supported = true;
-    void* ret = mmap(nullptr, 1, PROT_NONE, 0, fd_.get(), 0);
+    void* ret = mmap(nullptr, 1, PROT_NONE, MAP_PRIVATE, fd_.get(), 0);
     if (ret == MAP_FAILED && errno != ENODEV) {
       supported = false;
     }
-- 
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