static size_t read_threads_num = 0;
static cdtime_t max_read_interval = DEFAULT_MAX_READ_INTERVAL;
static write_queue_t *write_queue_head;
static write_queue_t *write_queue_tail;
static long write_queue_length = 0;
static size_t read_threads_num = 0;
static cdtime_t max_read_interval = DEFAULT_MAX_READ_INTERVAL;
static write_queue_t *write_queue_head;
static write_queue_t *write_queue_tail;
static long write_queue_length = 0;