rtxStack.h

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/*
 * Copyright (c) 2003-2021 Objective Systems, Inc.
 *
 * This software is furnished under a license and may be used and copied
 * only in accordance with the terms of such license and with the
 * inclusion of the above copyright notice. This software or any other
 * copies thereof may not be provided or otherwise made available to any
 * other person. No title to and ownership of the software is hereby
 * transferred.
 *
 * The information in this software is subject to change without notice
 * and should not be construed as a commitment by Objective Systems, Inc.
 *
 * PROPRIETARY NOTICE
 *
 * This software is an unpublished work subject to a confidentiality agreement
 * and is protected by copyright and trade secret law.  Unauthorized copying,
 * redistribution or other use of this work is prohibited.
 *
 * The above notice of copyright on this source code product does not indicate
 * any actual or intended publication of such source code.
 *
 *****************************************************************************/
#ifndef _RTXSTACK_H_
#define _RTXSTACK_H_


#include "rtxsrc/rtxDList.h"


typedef struct _OSRTStack {
   struct OSCTXT*   pctxt;
   OSRTDList dlist;
} OSRTStack;

#ifdef __cplusplus
extern "C" {
#endif

EXTERNRT OSRTStack* rtxStackCreate (struct OSCTXT* pctxt);

EXTERNRT void  rtxStackInit (struct OSCTXT* pctxt, OSRTStack* pStack);

#define rtxStackIsEmpty(stack) (OSBOOL)((stack).dlist.count == 0)

EXTERNRT void* rtxStackPop (OSRTStack* pStack);

EXTERNRT int rtxStackPush (OSRTStack* pStack, void* pData);

EXTERNRT void* rtxStackPeek (OSRTStack* pStack);

#ifdef __cplusplus
}
#endif

#endif