From 55790e37e858534c2006d36bcc77a21f4b161530 Mon Sep 17 00:00:00 2001
From: Stephen Miller <millerste004@gmail.com>
Date: Mon, 17 Feb 2025 15:22:16 -0600
Subject: [PATCH] Readd hack in posix_close

It's either this, or removing LLE DiscMap.
Or shadow implements posix sockets.
---
 src/core/libraries/kernel/file_system.cpp | 6 ++++++
 1 file changed, 6 insertions(+)

diff --git a/src/core/libraries/kernel/file_system.cpp b/src/core/libraries/kernel/file_system.cpp
index 7c1a0d8e0..cf0731e12 100644
--- a/src/core/libraries/kernel/file_system.cpp
+++ b/src/core/libraries/kernel/file_system.cpp
@@ -182,6 +182,12 @@ s32 PS4_SYSV_ABI sceKernelOpen(const char* path, s32 flags, /* SceKernelMode*/ u
 }
 
 s32 PS4_SYSV_ABI posix_close(s32 fd) {
+    if (fd == 0) {
+        // Hack to bypass unimplemented posix_socket in LLE libSceDiscMap
+        // Without this, it closes stdin because socket returns fd 0
+        *__Error() = POSIX_EBADF;
+        return -1;
+    }
     auto* h = Common::Singleton<Core::FileSys::HandleTable>::Instance();
     auto* file = h->GetFile(fd);
     if (file == nullptr) {