static gboolean owl_timer_dispatch(GSource *source, GSourceFunc callback, gpointer user_data) {
GList **timers = owl_global_get_timerlist(&g);
GTimeVal now;
/* TODO: In the far /far/ future, g_source_get_time is what the cool
* kids use to get system monotonic time. */
g_source_get_current_time(source, &now);
/* FIXME: bother with millisecond accuracy now that we can? */
while(*timers) {
owl_timer *t = (*timers)->data;
int remove = 0;
if(t->time > now.tv_sec)
break;
/* Reschedule if appropriate */
if(t->interval > 0) {
t->time = now.tv_sec + t->interval;
*timers = g_list_remove(*timers, t);
*timers = g_list_insert_sorted(*timers, t,
(GCompareFunc)_owl_select_timer_cmp);
} else {
remove = 1;
}
/* Do the callback */
t->callback(t, t->data);
if(remove) {
owl_select_remove_timer(t);
}
}
return TRUE;
}
void owl_select_remove_timer(owl_timer *t)
{
GList **timers = owl_global_get_timerlist(&g);
if (t && g_list_find(*timers, t)) {
*timers = g_list_remove(*timers, t);
if(t->destroy) {
t->destroy(t);
}
owl_free(t);
}
}
static gboolean owl_timer_check(GSource *source) {
GList **timers = owl_global_get_timerlist(&g);
GTimeVal now;
/* TODO: In the far /far/ future, g_source_get_time is what the cool
* kids use to get system monotonic time. */
g_source_get_current_time(source, &now);
/* FIXME: bother with millisecond accuracy now that we can? */
if (*timers) {
owl_timer *t = (*timers)->data;
return t->time >= now.tv_sec;
}
return FALSE;
}
owl_timer *owl_select_add_timer(int after, int interval, void (*cb)(owl_timer *, void *), void (*destroy)(owl_timer*), void *data)
{
owl_timer *t = owl_malloc(sizeof(owl_timer));
GList **timers = owl_global_get_timerlist(&g);
t->time = time(NULL) + after;
t->interval = interval;
t->callback = cb;
t->destroy = destroy;
t->data = data;
*timers = g_list_insert_sorted(*timers, t,
(GCompareFunc)_owl_select_timer_cmp);
return t;
}
owl_timer *owl_select_add_timer(const char* name, int after, int interval, void (*cb)(owl_timer *, void *), void (*destroy)(owl_timer*), void *data)
{
owl_timer *t = g_new(owl_timer, 1);
GList **timers = owl_global_get_timerlist(&g);
t->time = time(NULL) + after;
t->interval = interval;
t->callback = cb;
t->destroy = destroy;
t->data = data;
t->name = name ? g_strdup(name) : NULL;
*timers = g_list_insert_sorted(*timers, t,
(GCompareFunc)_owl_select_timer_cmp);
return t;
}
void owl_select_process_timers(struct timespec *timeout)
{
time_t now = time(NULL);
GList **timers = owl_global_get_timerlist(&g);
while(*timers) {
owl_timer *t = (*timers)->data;
int remove = 0;
if(t->time > now)
break;
/* Reschedule if appropriate */
if(t->interval > 0) {
t->time = now + t->interval;
*timers = g_list_remove(*timers, t);
*timers = g_list_insert_sorted(*timers, t,
(GCompareFunc)_owl_select_timer_cmp);
} else {
remove = 1;
}
/* Do the callback */
t->callback(t, t->data);
if(remove) {
owl_select_remove_timer(t);
}
}
if(*timers) {
owl_timer *t = (*timers)->data;
timeout->tv_sec = t->time - now;
if (timeout->tv_sec > 60)
timeout->tv_sec = 60;
} else {
timeout->tv_sec = 60;
}
timeout->tv_nsec = 0;
}
static gboolean owl_timer_prepare(GSource *source, int *timeout) {
GList **timers = owl_global_get_timerlist(&g);
GTimeVal now;
/* TODO: In the far /far/ future, g_source_get_time is what the cool
* kids use to get system monotonic time. */
g_source_get_current_time(source, &now);
/* FIXME: bother with millisecond accuracy now that we can? */
if (*timers) {
owl_timer *t = (*timers)->data;
*timeout = t->time - now.tv_sec;
if (*timeout <= 0) {
*timeout = 0;
return TRUE;
}
if (*timeout > 60 * 1000)
*timeout = 60 * 1000;
} else {
*timeout = 60 * 1000;
}
return FALSE;
}