From a5e350b0d1a0d3cdbc0c25283685f78fecf1f9f9 Mon Sep 17 00:00:00 2001
From: Luke Usher <luke.usher@outlook.com>
Date: Thu, 15 Sep 2016 08:46:01 +0100
Subject: [PATCH] prevent HANDLE_INVALID_VALUE being handled as an EmuHandle

---
 src/CxbxKrnl/EmuFile.cpp | 6 ++++++
 1 file changed, 6 insertions(+)

diff --git a/src/CxbxKrnl/EmuFile.cpp b/src/CxbxKrnl/EmuFile.cpp
index b4a4586ec..2dfccd9bd 100644
--- a/src/CxbxKrnl/EmuFile.cpp
+++ b/src/CxbxKrnl/EmuFile.cpp
@@ -136,6 +136,12 @@ EmuNtObject* EmuNtObject::NtDuplicateObject(DWORD Options)
 
 bool IsEmuHandle(HANDLE Handle)
 {
+	// HACK: Return false for invalid handles (HANDLE INVALID VALUE)
+	// TODO: Find out where invalid handles are coming from!
+	if (Handle == (HANDLE)-1) {
+		return false;
+	}
+
 	return (uint32_t)Handle > 0x80000000;
 }