From e7d3065cf47c9d8430be409a0c53422aea2e3532 Mon Sep 17 00:00:00 2001
From: zousar <zousar.shaker@epicgames.com>
Date: Mon, 13 Apr 2026 14:08:09 -0600
Subject: Stop using O_CLOEXEC in shm_open

---
 src/zencore/filesystem.cpp | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

(limited to 'src/zencore/filesystem.cpp')

diff --git a/src/zencore/filesystem.cpp b/src/zencore/filesystem.cpp
index 70d0f32b3..debe51cc9 100644
--- a/src/zencore/filesystem.cpp
+++ b/src/zencore/filesystem.cpp
@@ -3462,11 +3462,12 @@ public:
 		ZEN_UNUSED(SystemGlobal);
 		std::string InstanceMapName = fmt::format("/{}", Name);
 
-		ScopedFd FdGuard(shm_open(InstanceMapName.c_str(), O_RDWR | O_CREAT | O_CLOEXEC, 0666));
+		ScopedFd FdGuard(shm_open(InstanceMapName.c_str(), O_RDWR | O_CREAT, 0666));
 		if (!FdGuard)
 		{
 			return {};
 		}
+		fcntl(FdGuard.Fd, F_SETFD, FD_CLOEXEC);
 		fchmod(FdGuard.Fd, 0666);
 
 		int Result = ftruncate(FdGuard.Fd, Size);
-- 
cgit v1.2.3