int cavan_alarm_thread_init(struct cavan_alarm_thread *alarm_thread)
{
int ret;
struct cavan_thread *thread;
ret = pthread_mutex_init(&alarm_thread->lock, NULL);
if (ret < 0)
{
pr_error_info("pthread_mutex_init");
return ret;
}
ret = double_link_init(&alarm_thread->link, MOFS(struct cavan_alarm_node, node));
if (ret < 0)
{
pr_red_info("double_link_init");
goto out_pthread_mutex_destroy;
}
thread = &alarm_thread->thread;
thread->name = "ALARM";
thread->wake_handker = NULL;
thread->handler = cavan_alarm_thread_handler;
ret = cavan_thread_init(thread, alarm_thread);
if (ret < 0)
{
pr_red_info("cavan_thread_init");
goto out_double_link_deinit;
}
signal(SIGALRM, cavan_alarm_sighandler);
return 0;
out_double_link_deinit:
double_link_deinit(&alarm_thread->link);
out_pthread_mutex_destroy:
pthread_mutex_destroy(&alarm_thread->lock);
return ret;
}
int cavan_data_pool_init(struct cavan_data_pool *pool, int offset, size_t node_size, int count)
{
int ret;
size_t size;
byte *buff, *buff_end;
struct double_link *link = &pool->link;
ret = cavan_data_pool_link_init(link, offset);
if (ret < 0) {
pr_red_info("cavan_data_link_init");
return ret;
}
size = node_size * count;
buff = malloc(size);
if (buff == NULL) {
pr_error_info("malloc");
goto out_double_link_deinit;
}
pool->buff = buff;
pool->offset = offset;
pool->node_size = node_size;
for (buff_end = buff + size; buff < buff_end; buff += node_size) {
struct cavan_data_pool_node *data = cavan_data_pool_to_node(pool, buff);
data->private_data = pool;
data->destroy = cavan_data_pool_node_destroy;
double_link_node_init(&data->node);
double_link_append(link, &data->node);
}
return 0;
out_double_link_deinit:
double_link_deinit(link);
return ret;
}
void cavan_alarm_thread_deinit(struct cavan_alarm_thread *thread)
{
cavan_thread_deinit(&thread->thread);
double_link_deinit(&thread->link);
pthread_mutex_destroy(&thread->lock);
}
void cavan_data_pool_deinit(struct cavan_data_pool *pool)
{
free(pool->buff);
double_link_deinit(&pool->link);
}