diff -r 0135e64c6c66 -r c4fd2813b127 misc/libphysfs/lzma/C/Threads.c
--- a/misc/libphysfs/lzma/C/Threads.c	Wed May 16 18:22:28 2018 +0200
+++ /dev/null	Thu Jan 01 00:00:00 1970 +0000
@@ -1,106 +0,0 @@
-/* Threads.c */
-
-#include "Threads.h"
-#include <process.h>
-
-HRes GetError()
-{
-  DWORD res = GetLastError();
-  return (res) ? (HRes)(res) : SZE_FAIL;
-}
-
-HRes BoolToHRes(int v) { return v ? SZ_OK : GetError(); }
-HRes BOOLToHRes(BOOL v) { return v ? SZ_OK : GetError(); }
-
-HRes MyCloseHandle(HANDLE *h)
-{
-  if (*h != NULL)
-    if (!CloseHandle(*h))
-      return GetError();
-  *h = NULL;
-  return SZ_OK;
-}
-
-HRes Thread_Create(CThread *thread, THREAD_FUNC_RET_TYPE (THREAD_FUNC_CALL_TYPE *startAddress)(void *), LPVOID parameter)
-{ 
-  unsigned threadId; /* Windows Me/98/95: threadId parameter may not be NULL in _beginthreadex/CreateThread functions */
-  thread->handle = 
-    /* CreateThread(0, 0, startAddress, parameter, 0, &threadId); */
-    (HANDLE)_beginthreadex(NULL, 0, startAddress, parameter, 0, &threadId);
-    /* maybe we must use errno here, but probably GetLastError() is also OK. */
-  return BoolToHRes(thread->handle != 0);
-}
-
-HRes WaitObject(HANDLE h)
-{
-  return (HRes)WaitForSingleObject(h, INFINITE); 
-}
-
-HRes Thread_Wait(CThread *thread)
-{
-  if (thread->handle == NULL)
-    return 1;
-  return WaitObject(thread->handle); 
-}
-
-HRes Thread_Close(CThread *thread)
-{
-  return MyCloseHandle(&thread->handle);
-}
-
-HRes Event_Create(CEvent *p, BOOL manualReset, int initialSignaled)
-{
-  p->handle = CreateEvent(NULL, manualReset, (initialSignaled ? TRUE : FALSE), NULL);
-  return BoolToHRes(p->handle != 0);
-}
-
-HRes ManualResetEvent_Create(CManualResetEvent *p, int initialSignaled)
-  { return Event_Create(p, TRUE, initialSignaled); }
-HRes ManualResetEvent_CreateNotSignaled(CManualResetEvent *p) 
-  { return ManualResetEvent_Create(p, 0); }
-
-HRes AutoResetEvent_Create(CAutoResetEvent *p, int initialSignaled)
-  { return Event_Create(p, FALSE, initialSignaled); }
-HRes AutoResetEvent_CreateNotSignaled(CAutoResetEvent *p) 
-  { return AutoResetEvent_Create(p, 0); }
-
-HRes Event_Set(CEvent *p) { return BOOLToHRes(SetEvent(p->handle)); }
-HRes Event_Reset(CEvent *p) { return BOOLToHRes(ResetEvent(p->handle)); }
-HRes Event_Wait(CEvent *p) { return WaitObject(p->handle); }
-HRes Event_Close(CEvent *p) { return MyCloseHandle(&p->handle); }
-
-
-HRes Semaphore_Create(CSemaphore *p, UInt32 initiallyCount, UInt32 maxCount)
-{
-  p->handle = CreateSemaphore(NULL, (LONG)initiallyCount, (LONG)maxCount, NULL);
-  return BoolToHRes(p->handle != 0);
-}
-
-HRes Semaphore_Release(CSemaphore *p, LONG releaseCount, LONG *previousCount) 
-{ 
-  return BOOLToHRes(ReleaseSemaphore(p->handle, releaseCount, previousCount)); 
-}
-HRes Semaphore_ReleaseN(CSemaphore *p, UInt32 releaseCount)
-{
-  return Semaphore_Release(p, (LONG)releaseCount, NULL);
-}
-HRes Semaphore_Release1(CSemaphore *p)
-{
-  return Semaphore_ReleaseN(p, 1);
-}
-
-HRes Semaphore_Wait(CSemaphore *p) { return WaitObject(p->handle); }
-HRes Semaphore_Close(CSemaphore *p) { return MyCloseHandle(&p->handle); }
-
-HRes CriticalSection_Init(CCriticalSection *p)
-{
-  /* InitializeCriticalSection can raise only STATUS_NO_MEMORY exception */
-  __try 
-  { 
-    InitializeCriticalSection(p); 
-    /* InitializeCriticalSectionAndSpinCount(p, 0); */
-  }  
-  __except (EXCEPTION_EXECUTE_HANDLER) { return SZE_OUTOFMEMORY; }
-  return SZ_OK;
-}
-