/* $Header: timer.h,v 1.1 87/03/11 16:00:06 mikew Exp $ */
/* $Source: /afs/andrew.cmu.edu/usr7/kazar/afs/lwp/RCS/timer.h,v $ */

#if !defined(lint) && !defined(LOCORE) && defined(RCS_HDRS)
static char *rcsidtimer = "$Header: timer.h,v 1.1 87/03/11 16:00:06 mikew Exp $";
#endif

/*
 * P_R_P_Q_# (C) COPYRIGHT IBM CORPORATION 1987
 * LICENSED MATERIALS - PROPERTY OF IBM
 * REFER TO COPYRIGHT INSTRUCTIONS FORM NUMBER G120-2083
 */

/*******************************************************************\
* 								    *
* 	Information Technology Center				    *
* 	Carnegie-Mellon University				    *
* 								    *
* 								    *
\*******************************************************************/

struct TM_Elem {
    struct TM_Elem	*Next;		/* filled by package */
    struct TM_Elem	*Prev;		/* filled by package */
    struct timeval	TotalTime;	/* filled in by caller -- modified by package */
    struct timeval	TimeLeft;	/* filled by package */
    char		*BackPointer;	/* filled by caller, not interpreted by package */
};

#ifndef _TIMER_IMPL_
extern void Tm_Insert();
#define TM_Remove(list, elem) remque(elem)
extern int TM_Rescan();
extern struct TM_Elem *TM_GetExpired();
extern struct TM_Elem *TM_GetEarliest();
#endif

#define FOR_ALL_ELTS(var, list, body)\
	{\
	    register struct TM_Elem *_LIST_, *var, *_NEXT_;\
	    _LIST_ = (list);\
	    for (var = _LIST_ -> Next; var != _LIST_; var = _NEXT_) {\
		_NEXT_ = var -> Next;\
		body\
	    }\
	}