89 lines
1.2 KiB
C
89 lines
1.2 KiB
C
/*
|
|
* BIRD Library -- Event Processing
|
|
*
|
|
* (c) 1999 Martin Mares <mj@ucw.cz>
|
|
*
|
|
* Can be freely distributed and used under the terms of the GNU GPL.
|
|
*/
|
|
|
|
#include "nest/bird.h"
|
|
#include "lib/event.h"
|
|
|
|
event_list global_event_list;
|
|
|
|
inline void
|
|
ev_postpone(event *e)
|
|
{
|
|
if (e->n.next)
|
|
{
|
|
rem_node(&e->n);
|
|
e->n.next = NULL;
|
|
}
|
|
}
|
|
|
|
static void
|
|
ev_dump(resource *r)
|
|
{
|
|
event *e = (event *) r;
|
|
|
|
debug("(code %p, data %p, %s)\n",
|
|
e->hook,
|
|
e->data,
|
|
e->n.next ? "scheduled" : "inactive");
|
|
}
|
|
|
|
static struct resclass ev_class = {
|
|
"Event",
|
|
sizeof(event),
|
|
(void (*)(resource *)) ev_postpone,
|
|
ev_dump
|
|
};
|
|
|
|
event *
|
|
ev_new(pool *p)
|
|
{
|
|
event *e = ralloc(p, &ev_class);
|
|
|
|
e->hook = NULL;
|
|
e->data = NULL;
|
|
e->n.next = NULL;
|
|
return e;
|
|
}
|
|
|
|
inline void
|
|
ev_run(event *e)
|
|
{
|
|
ev_postpone(e);
|
|
e->hook(e->data);
|
|
}
|
|
|
|
inline void
|
|
ev_enqueue(event_list *l, event *e)
|
|
{
|
|
ev_postpone(e);
|
|
add_tail(l, &e->n);
|
|
}
|
|
|
|
void
|
|
ev_schedule(event *e)
|
|
{
|
|
ev_enqueue(&global_event_list, e);
|
|
}
|
|
|
|
int
|
|
ev_run_list(event_list *l)
|
|
{
|
|
node *n, *p;
|
|
list tmp_list;
|
|
|
|
init_list(&tmp_list);
|
|
add_tail_list(&tmp_list, l);
|
|
init_list(l);
|
|
WALK_LIST_DELSAFE(n, p, tmp_list)
|
|
{
|
|
event *e = SKIP_BACK(event, n, n);
|
|
ev_run(e);
|
|
}
|
|
return !EMPTY_LIST(*l);
|
|
}
|