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
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();

 protected:
  virtual ~IFWL_Thread() {}

 public:
  virtual void Release() = 0;
  virtual FWL_ERR Run(FWL_HTHREAD hThread) = 0;
};
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;
};
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