Revert "Rename CFWL_Thread classes to ThreadImp"

xfa/include/fwl/core/fwl_thread.h

 // Copyright 2014 PDFium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 // Original code copyright 2014 Foxit Software Inc. http://www.foxitsoftware.com
 
-#ifndef FWL_THREAD_H_
-#define FWL_THREAD_H_
+#ifndef _FWL_THREAD_H
+#define _FWL_THREAD_H
+class IFWL_NoteDriver;
+class IFWL_Thread;
+class IFWL_NoteThread;
+typedef struct _FWL_HTHREAD { void* pData; } * FWL_HTHREAD;
+class IFWL_Thread {
+ public:
+  static IFWL_Thread* Create();
 
-class IFWL_NoteDriver;
+ protected:
+  virtual ~IFWL_Thread() {}
 
-typedef struct _FWL_HTHREAD { void* pData; } * FWL_HTHREAD;
-
-class IFWL_Thread {
  public:
   virtual void Release() = 0;
   virtual FWL_ERR Run(FWL_HTHREAD hThread) = 0;
-
- protected:
-  virtual ~IFWL_Thread() {}
 };
-
+FWL_HTHREAD FWL_StartThread(IFWL_Thread* pThread, FX_BOOL bSuspended = FALSE);
+FWL_ERR FWL_ResumeThread(FWL_HTHREAD hThread);
+FWL_ERR FWL_SuspendThread(FWL_HTHREAD hThread);
+FWL_ERR FWL_KillThread(FWL_HTHREAD hThread, int32_t iExitCode);
+FWL_ERR FWL_StopThread(FWL_HTHREAD hThread, int32_t iExitCode);
+FWL_ERR FWL_Sleep(FX_DWORD dwMilliseconds);
 class IFWL_NoteThread : public IFWL_Thread {
  public:
+  static IFWL_NoteThread* Create();
+  virtual FWL_ERR Run(FWL_HTHREAD hThread) = 0;
   virtual IFWL_NoteDriver* GetNoteDriver() = 0;
 };
-
-#endif  // FWL_THREAD_H_
+typedef struct _FWL_HMUTEX { void* pData; } * FWL_HMUTEX;
+FWL_HMUTEX FWL_CreateMutex();
+FWL_ERR FWL_DestroyMutex(FWL_HMUTEX hMutex);
+FWL_ERR FWL_LockMutex(FWL_HMUTEX hMutex);
+FWL_ERR FWL_TryLockMutex(FWL_HMUTEX hMutex);
+FWL_ERR FWL_UnlockMutex(FWL_HMUTEX hMutex);
+FWL_ERR FWL_IsLockedMutex(FWL_HMUTEX hMutex, FX_BOOL& bLocked);
+typedef struct _FWL_HSEMAPHORE { void* pData; } * FWL_HSEMAPHORE;
+FWL_HSEMAPHORE FWL_CreateSemaphore();
+FWL_ERR FWL_DestroySemaphore(FWL_HSEMAPHORE hSemaphore);
+FWL_ERR FWL_WaitSemaphore(FWL_HSEMAPHORE hSemaphore);
+FWL_ERR FWL_PostSemaphore(FWL_HSEMAPHORE hSemaphore, int32_t down = 1);
+FWL_ERR FWL_GetSemaphoreValue(FWL_HSEMAPHORE hSemaphore, int32_t& value);
+FWL_ERR FWL_ResetSemaphore(FWL_HSEMAPHORE hSemaphore, int32_t init);
+#endif