Commit 3b15402f authored by Martin Mareš's avatar Martin Mareš

Grrr, forgot to commit the event routines themselves :|

parent e8f73195
/*
* 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",
0,
(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)
{
e->hook(e->data);
ev_postpone(e);
}
inline void
ev_enqueue(event_list *l, event *e)
{
if (e->n.next)
rem_node(&e->n);
add_tail(l, &e->n);
}
void
ev_schedule(event *e)
{
ev_enqueue(&global_event_list, e);
}
void
ev_run_list(event_list *l)
{
for(;;)
{
node *n = HEAD(*l);
event *e;
if (!n->next)
break;
e = SKIP_BACK(event, n, n);
ev_run(e);
}
}
/*
* BIRD Library -- Event Processing
*
* (c) 1999 Martin Mares <mj@ucw.cz>
*
* Can be freely distributed and used under the terms of the GNU GPL.
*/
#ifndef _BIRD_EVENT_H_
#define _BIRD_EVENT_H_
#include "lib/resource.h"
typedef struct event {
resource r;
void (*hook)(void *);
void *data;
node n; /* Internal link */
} event;
typedef list event_list;
extern event_list global_event_list;
event *ev_new(pool *);
void ev_run(event *);
#define ev_init_list(el) init_list(el)
void ev_enqueue(event_list *, event *);
void ev_schedule(event *);
void ev_postpone(event *);
void ev_run_list(event_list *);
#endif
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