int redisSetTimeout(redisContext *c, const struct timeval tv) {
    if (c->flags & REDIS_BLOCK)
        return redisContextSetTimeout(c,tv);
    return REDIS_ERR;
}
int redisSetTimeout(redisContext *c, const struct timeval tv) {
    if (c->flags & REDIS_BLOCK)
        return redisContextSetTimeout(c,tv);
    return REDIS_ERR;
}