static int cavan_alarm_thread_handler(struct cavan_thread *thread, void *data)
{
struct cavan_alarm_thread *alarm_thread = data;
struct double_link_node *node;
pthread_mutex_lock(&alarm_thread->lock);
node = double_link_get_first_node(&alarm_thread->link);
if (node == NULL)
{
alarm(0);
cavan_thread_suspend(thread);
}
else
{
struct cavan_alarm_node *alarm_node = double_link_get_container(&alarm_thread->link, node);
time_t curr_time;
curr_time = time(NULL);
if (curr_time < 0)
{
pr_error_info("get current time");
pthread_mutex_unlock(&thread->lock);
return curr_time;
}
cavan_show_date2(curr_time, "curr_time = ");
cavan_show_date2(alarm_node->time, "alarm_time = ");
if (curr_time < alarm_node->time)
{
alarm(alarm_node->time - curr_time);
cavan_thread_suspend(thread);
}
else
{
double_link_remove(&alarm_thread->link, node);
alarm_node->handler(alarm_node, alarm_thread, alarm_node->private_data);
if (alarm_node->repeat)
{
alarm_node->time += alarm_node->repeat;
cavan_alarm_insert_node_base(alarm_thread, alarm_node);
}
else if (alarm_node->destroy)
{
alarm_node->destroy(alarm_node, alarm_node->private_data);
}
}
}
pthread_mutex_unlock(&alarm_thread->lock);
return 0;
}
void *cavan_data_pool_alloc(struct cavan_data_pool *pool)
{
void *data;
struct double_link_node *node;
struct cavan_data_pool_node *pool_node;
node = double_link_pop(&pool->link);
if (node) {
return double_link_get_container(&pool->link, node);
}
data = malloc(pool->node_size);
if (data == NULL) {
pr_error_info("malloc");
return NULL;
}
pool_node = cavan_data_pool_to_node(pool, data);
pool_node->destroy = cavan_data_pool_node_destroy2;
double_link_node_init(&pool_node->node);
return data;
}
static bool cavan_alarm_insert_matcher(struct double_link *link, struct double_link_node *node, void *data)
{
struct cavan_alarm_node *alarm_node = double_link_get_container(link, node);
return alarm_node->time > *(time_t *) data;
}