/*
 * Copyright (c) 2001-2002 Sendmail, Inc. and its suppliers.
 *	All rights reserved.
 *
 * By using this file, you agree to the terms and conditions set
 * forth in the LICENSE file which can be found at the top level of
 * the sendmail distribution.
 *
 *	$Id: clock.h,v 1.2 2005/06/16 00:09:34 ca Exp $
 */

#if 0
#ifndef _SM_CLOCK_H
#define _SM_CLOCK_H 1

#include "sm/generic.h"

/*
XXX MUST BE CHANGED
*/

#include <sm/signal.h>
#if SM_CONF_SETITIMER
# include <sys/time.h>
#endif /* SM_CONF_SETITIMER */

/*
**  STRUCT SM_EVENT -- event queue.
**
**	Maintained in sorted order.
**
**	We store the pid of the process that set this event to insure
**	that when we fork we will not take events intended for the parent.
*/

struct sm_event
{
#if SM_CONF_SETITIMER
	struct timeval	ev_time;	/* time of the call (microseconds) */
#else /* SM_CONF_SETITIMER */
	time_t		ev_time;	/* time of the call (seconds) */
#endif /* SM_CONF_SETITIMER */
	void		(*ev_func)(int);
					/* function to call */
	int		ev_arg;		/* argument to ev_func */
	pid_t		ev_pid;		/* pid that set this event */
	struct sm_event	*ev_link;	/* link to next item */
};

typedef struct sm_event	SM_EVENT;

/* functions */
void	sm_clrevent(SM_EVENT *);
void	sm_clear_events(void);
SM_EVENT	*sm_setevent(time_t, void(*)(), int);
SM_EVENT	*sm_seteventm(int, void(*)(), int);
SM_EVENT	*sm_sigsafe_seteventm(int, void(*)(), int);
SIGFUNC_DECL	sm_tick(int);

/*
**  SM_SETEVENT -- set an event to happen at a specific time in seconds.
**
**	Translates the seconds into millseconds and calls sm_seteventm()
**	to get a specific event to happen in the future at a specific time.
**
**	Parameters:
**		t -- intvl until next event occurs (seconds).
**		f -- function to call on event.
**		a -- argument to func on event.
**
**	Returns:
**		result of sm_seteventm().
**
**	Side Effects:
**		Any that sm_seteventm() have.
*/

#define sm_setevent(t, f, a) sm_seteventm((int)((t) * 1000), (f), (a))
#define sm_sigsafe_setevent(t, f, a) sm_sigsafe_seteventm((int)((t) * 1000), (f), (a))

#endif /* _SM_CLOCK_H */
#endif /* 0 */