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Update the time delta of the first item in TimerList before

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inserting a new item.  Without this, it's possible to
mis-insert quite badly... but only by as much as the load of
the first item, which is almost always 1 second.

Initialise the timerservice with `restart' set if we're inserting
at the start of the list.
This commit is contained in:
brian 1999-11-19 23:21:13 +00:00
parent db1cba0e16
commit a1c1bf8f7c
1 changed files with 8 additions and 1 deletions
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9
usr.sbin/ppp/timer.c
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@ -62,6 +62,7 @@ timer_Stop(struct pppTimer *tp)
void
timer_Start(struct pppTimer *tp)
{
struct itimerval itimer;
struct pppTimer *t, *pt;
u_long ticks = 0;
int omask;
@ -76,6 +77,12 @@ timer_Start(struct pppTimer *tp)
sigsetmask(omask);
return;
}
/* Adjust our first delta so that it reflects what's really happening */
if (TimerList && getitimer(ITIMER_REAL, &itimer) == 0)
TimerList->rest = itimer.it_value.tv_sec * SECTICKS +
itimer.it_value.tv_usec / TICKUNIT;
pt = NULL;
for (t = TimerList; t; t = t->next) {
if (ticks + t->rest >= tp->load)
@ -99,7 +106,7 @@ timer_Start(struct pppTimer *tp)
pt->next = tp;
} else {
TimerList = tp;
timer_InitService(0); /* Start the Timer Service */
timer_InitService(t != NULL); /* [re]Start the Timer Service */
}
if (t)
t->rest -= tp->rest;