diff -r ea891871f481 -r bb5522e88ab2 misc/libphysfs/lzma/C/Threads.h
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/misc/libphysfs/lzma/C/Threads.h	Mon Apr 10 12:06:43 2017 -0400
@@ -0,0 +1,69 @@
+/* Threads.h */
+
+#ifndef __7Z_THRESDS_H
+#define __7Z_THRESDS_H
+
+#include <windows.h>
+
+#include "Types.h"
+
+typedef struct _CThread
+{
+  HANDLE handle;
+} CThread;
+
+#define Thread_Construct(thread) (thread)->handle = NULL
+#define Thread_WasCreated(thread) ((thread)->handle != NULL)
+ 
+typedef unsigned THREAD_FUNC_RET_TYPE;
+#define THREAD_FUNC_CALL_TYPE StdCall
+#define THREAD_FUNC_DECL THREAD_FUNC_RET_TYPE THREAD_FUNC_CALL_TYPE
+
+HRes Thread_Create(CThread *thread, THREAD_FUNC_RET_TYPE (THREAD_FUNC_CALL_TYPE *startAddress)(void *), LPVOID parameter);
+HRes Thread_Wait(CThread *thread);
+HRes Thread_Close(CThread *thread);
+
+typedef struct _CEvent
+{
+  HANDLE handle;
+} CEvent;
+
+typedef CEvent CAutoResetEvent;
+typedef CEvent CManualResetEvent;
+
+#define Event_Construct(event) (event)->handle = NULL
+#define Event_IsCreated(event) ((event)->handle != NULL)
+
+HRes ManualResetEvent_Create(CManualResetEvent *event, int initialSignaled);
+HRes ManualResetEvent_CreateNotSignaled(CManualResetEvent *event);
+HRes AutoResetEvent_Create(CAutoResetEvent *event, int initialSignaled);
+HRes AutoResetEvent_CreateNotSignaled(CAutoResetEvent *event);
+HRes Event_Set(CEvent *event);
+HRes Event_Reset(CEvent *event);
+HRes Event_Wait(CEvent *event);
+HRes Event_Close(CEvent *event);
+
+
+typedef struct _CSemaphore
+{
+  HANDLE handle;
+} CSemaphore;
+
+#define Semaphore_Construct(p) (p)->handle = NULL
+
+HRes Semaphore_Create(CSemaphore *p, UInt32 initiallyCount, UInt32 maxCount);
+HRes Semaphore_ReleaseN(CSemaphore *p, UInt32 num);
+HRes Semaphore_Release1(CSemaphore *p);
+HRes Semaphore_Wait(CSemaphore *p);
+HRes Semaphore_Close(CSemaphore *p);
+
+
+typedef CRITICAL_SECTION CCriticalSection;
+
+HRes CriticalSection_Init(CCriticalSection *p);
+#define CriticalSection_Delete(p) DeleteCriticalSection(p)
+#define CriticalSection_Enter(p) EnterCriticalSection(p)
+#define CriticalSection_Leave(p) LeaveCriticalSection(p)
+
+#endif
+