brpc源码剖析

• 1、bthread基本原理
  https://cloud.tencent.com/developer/article/1915033
  https://cloud.tencent.com/developer/article/1915031
  https://cloud.tencent.com/developer/article/1915030
  https://cloud.tencent.com/developer/article/1915028
  https://cloud.tencent.com/developer/article/1915026
• 2、bthread上下文切换为什么比线程上下文切换节约资源？（不涉及内核切换）
  https://www.bookstack.cn/read/brpc-1.5-zh/fa69944bce00b899.md
  https://blog.csdn.net/u011388696/article/details/120101872