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/*
** Copyright 2001 Double Precision, Inc. See COPYING for
** distribution information.
*/
#include "config.h"
#include "pcpdtimer.h"
#include <string.h>
#include <time.h>
extern struct pcpdtimer *first_timer, *last_timer;
struct pcpdtimer *first_timer=NULL, *last_timer=NULL;
void pcpdtimer_install(struct pcpdtimer *p, time_t nseconds)
{
struct pcpdtimer *q;
if (p->alarm)
{
if (p->prev)
p->prev->next=p->next;
else
first_timer=p->next;
if (p->next)
p->next->prev=p->prev;
else
last_timer=p->prev;
}
time(&p->alarm);
p->alarm += nseconds;
for (q=first_timer; q; q=q->next)
{
if (q->alarm > p->alarm)
break;
}
if (!q)
{
if ((p->prev=last_timer) != 0)
p->prev->next=p;
else
first_timer=p;
p->next=0;
last_timer=p;
}
else
{
if ((p->prev=q->prev) != 0)
p->prev->next=p;
else
first_timer=p;
p->next=q;
q->prev=p;
}
}
void pcpdtimer_triggered(struct pcpdtimer *p)
{
if (!p->alarm)
return;
if (p->prev)
p->prev->next=p->next;
else
first_timer=p->next;
if (p->next)
p->next->prev=p->prev;
else
last_timer=p->prev;
p->alarm=0;
}
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