case ATIMER_ABSOLUTE:
t->expiration = time;
break;
-
+
case ATIMER_RELATIVE:
EMACS_GET_TIME (t->expiration);
EMACS_ADD_TIME (t->expiration, t->expiration, time);
break;
-
+
case ATIMER_CONTINUOUS:
EMACS_GET_TIME (t->expiration);
EMACS_ADD_TIME (t->expiration, t->expiration, time);
/* Arrange for a SIGALRM at the time the next atimer is ripe. */
set_alarm ();
-
+
return t;
}
struct atimer *timer;
{
int i;
-
+
BLOCK_ATIMERS;
for (i = 0; i < 2; ++i)
{
struct atimer *t, *prev;
struct atimer **list = i ? &stopped_atimers : &atimers;
-
+
/* See if TIMER is active or stopped. */
for (t = *list, prev = NULL; t && t != timer; prev = t, t = t->next)
;
prev->next = t->next;
else
*list = t->next;
-
+
t->next = free_atimers;
free_atimers = t;
break;
else
{
struct atimer *p;
-
+
for (p = list1; p->next; p = p->next)
;
p->next = list2;
struct atimer *t;
{
BLOCK_ATIMERS;
-
+
if (t)
{
struct atimer *p, *prev;
-
+
/* See if T is active. */
for (p = atimers, prev = 0; p && p != t; p = p->next)
;
/* T is not active. Let's handle this like T == 0. */
t = NULL;
}
-
+
stopped_atimers = append_atimer_lists (atimers, stopped_atimers);
atimers = t;
UNBLOCK_ATIMERS;
{
struct atimer *t = atimers;
struct atimer *next;
-
+
BLOCK_ATIMERS;
atimers = stopped_atimers;
stopped_atimers = NULL;
-
+
while (t)
{
next = t->next;
schedule_atimer (t);
t = next;
}
-
+
UNBLOCK_ATIMERS;
}
}
must reestablish each time. */
signal (SIGALRM, alarm_signal_handler);
#endif /* USG */
-
+
if (atimers)
{
EMACS_TIME now, time;
EMACS_SET_SECS (time, 0);
EMACS_SET_USECS (time, 1000);
}
-
+
bzero (&it, sizeof it);
it.it_value = time;
setitimer (ITIMER_REAL, &it, 0);
prev->next = t;
else
atimers = t;
-
+
t->next = a;
}
int signo;
{
EMACS_TIME now;
-
+
EMACS_GET_TIME (now);
pending_atimers = 0;
-
+
while (atimers
&& (pending_atimers = interrupt_input_blocked) == 0
&& EMACS_TIME_LE (atimers->expiration, now))
{
struct atimer *t;
-
+
t = atimers;
atimers = atimers->next;
t->fn (t);
-
+
if (t->type == ATIMER_CONTINUOUS)
{
EMACS_ADD_TIME (t->expiration, now, t->interval);
t->next = free_atimers;
free_atimers = t;
}
-
+
EMACS_GET_TIME (now);
}
-
+
set_alarm ();
}