From aaeee9ac1bec57493acdf4802f08cccbfd76defa Mon Sep 17 00:00:00 2001
From: Dan Engelbrecht <dan.engelbrecht@epicgames.com>
Date: Thu, 31 Aug 2023 03:47:03 -0400
Subject: fix zen server state mac mmap (#380)

* use MAP_SHARED when initializing read only access of shared memory
* changelog
---
 src/zenutil/zenserverprocess.cpp | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

(limited to 'src/zenutil/zenserverprocess.cpp')

diff --git a/src/zenutil/zenserverprocess.cpp b/src/zenutil/zenserverprocess.cpp
index c939d3f39..2f5402434 100644
--- a/src/zenutil/zenserverprocess.cpp
+++ b/src/zenutil/zenserverprocess.cpp
@@ -216,7 +216,7 @@ ZenServerState::InitializeReadOnly()
 	}
 	void* hMap = (void*)intptr_t(Fd);
 
-	void* pBuf = mmap(nullptr, MapSize, PROT_READ, MAP_PRIVATE, Fd, 0);
+	void* pBuf = mmap(nullptr, MapSize, PROT_READ, MAP_SHARED, Fd, 0);
 	if (pBuf == MAP_FAILED)
 	{
 		ThrowLastError("Could not map read-only view of Zen server state");
-- 
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