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#include <stdlib.h>
#include <string.h>
#include <stdio.h>
#include "triton_p.h"
static int max_events = 1024;
static struct _triton_event_t **events;
struct event_handler_t
{
struct list_head entry;
triton_event_func func;
};
int event_init(void)
{
events = malloc(max_events * sizeof(void *));
if (!events) {
fprintf(stderr,"event:cann't allocate memory\n");
return -1;
}
memset(events, 0, max_events * sizeof(void *));
return 0;
}
int triton_event_register_handler(int ev_id, triton_event_func func)
{
struct _triton_event_t *ev;
struct event_handler_t *h;
if (ev_id >= max_events)
return -1;
ev = events[ev_id];
if (!ev) {
ev = malloc(sizeof(*ev));
if (!ev) {
triton_log_error("event: out of memory\n");
return -1;
}
INIT_LIST_HEAD(&ev->handlers);
events[ev_id] = ev;
}
h = malloc(sizeof(*h));
if (!h) {
triton_log_error("event: out of memory\n");
return -1;
}
h->func = func;
list_add_tail(&h->entry, &ev->handlers);
return 0;
}
/*int triton_event_unregister_handler(int ev_id, triton_event_func func)
{
struct _triton_event_t *ev;
struct event_handler_t *h;
if (ev_id >= max_events)
return -1;
ev = events[ev_id];
if (!ev) {
return -1;
}
list_for_each_entry(h, &ev->handlers, entry) {
if (h->func == func) {
if (ev->in_progress)
h->func = NULL;
else {
list_del(&h->entry);
free(h);
}
return 0;
}
}
return -1;
}*/
void triton_event_fire(int ev_id, void *arg)
{
struct _triton_event_t *ev;
struct event_handler_t *h;
if (ev_id >= max_events)
return;
ev = events[ev_id];
if (!ev)
return;
list_for_each_entry(h, &ev->handlers, entry)
h->func(arg);
}
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