From 9b3ec6a570d9858d2db2d33e04951a2d56c2639d Mon Sep 17 00:00:00 2001
From: Sam Lantinga <slouken@libsdl.org>
Date: Mon, 21 Aug 2017 13:01:22 -0700
Subject: [PATCH] SDL_thread.h: add missing os/2 defines.

(essentially replicates the windows case || SDL1.2 case.)
---
 include/SDL_thread.h | 13 +++++++++++++
 1 file changed, 13 insertions(+)

diff --git a/include/SDL_thread.h b/include/SDL_thread.h
index 66a2d3e7e..87a44bf70 100644
--- a/include/SDL_thread.h
+++ b/include/SDL_thread.h
@@ -118,6 +118,19 @@ SDL_CreateThread(SDL_ThreadFunction fn, const char *name, void *data,
 #define SDL_CreateThread(fn, name, data) SDL_CreateThread(fn, name, data, (pfnSDL_CurrentBeginThread)_beginthreadex, (pfnSDL_CurrentEndThread)_endthreadex)
 #endif
 
+#elif defined(__OS2__)
+
+/*
+ * just like the windows case above:  We compile SDL2
+ * into a dll with Watcom's runtime statically linked.
+ */
+#define SDL_PASSED_BEGINTHREAD_ENDTHREAD
+#include <process.h>
+typedef int (*pfnSDL_CurrentBeginThread)(void (*func)(void *), void *, unsigned, void *arg);
+typedef void (*pfnSDL_CurrentEndThread)(void);
+#undef SDL_CreateThread
+#define SDL_CreateThread(fn, name, data) SDL_CreateThread(fn, name, data, (pfnSDL_CurrentBeginThread)_beginthread, (pfnSDL_CurrentEndThread)_endthread)
+
 #else
 
 /**