sem.h

来自「VRTX 商用嵌入式实时操作系统」· C头文件 代码 · 共 39 行

/***************************************************************************
*
*		Copyright (c) 1993 READY SYSTEMS CORPORATION.
*
*	All rights reserved. READY SYSTEMS' source code is an unpublished
*	work and the use of a copyright notice does not imply otherwise.
*	This source code contains confidential, trade secret material of
*	READY SYSTEMS. Any attempt or participation in deciphering, decoding,
*	reverse engineering or in any way altering the source code is
*	strictly prohibited, unless the prior written consent of
*	READY SYSTEMS is obtained.
*
*
*	Module Name:		semaphore.h
*
*	Identification:		@(#) 1.6 semaphore.h
*
*	Date:			6/29/93  10:33:08
*
****************************************************************************
*/

#include <vrtxil.h>

class Semaphore {
public:
  Semaphore ();
  Semaphore (int count, int pend_order = VRTX_PEND_ORDER_FIFO);
  ~Semaphore ();
  int  pend (unsigned long timeout = 0);
  void post ();
  int  accept ();
  int  count ();
  int  id ();

private:
  int sid;
};