struct bh_thread_s
{
    void *handle;
};

struct bh_mutex_s
{
    void *handle;
};

struct bh_cond_s
{
    void *handle;
};

int bh_thread_init(bh_thread_t *thread,
                   bh_task_t *task);

int bh_mutex_init(bh_mutex_t *mutex);
void bh_mutex_destroy(bh_mutex_t *mutex);

int bh_cond_init(bh_cond_t *cond);
void bh_cond_destroy(bh_cond_t *cond);

int bh_thread_pool_init(bh_thread_pool_t *pool,
                        size_t size);

void bh_thread_pool_destroy(bh_thread_pool_t *pool);