虹少侠的博客

centos7安装protocol buffer 因为搭建go环境需要使用protoc,所以记录一下对于protoc的安装记录: 是用wget下载protobuf包 wget https://github.com/protocolbuffers/protobuf/releases/download/v3.10.0/protobuf-all-3.10.0.tar.gz tar zvxf pr...

先简单描绘一下错误发生的场景： #define MMAP_BUFF_SIZE 4096 struct Message { int len; char data[1024]; }; int fd = open("./test",O_RDWR | O_CREAT); lseek(fd,MMAP_BUFF_SIZE,SEEK_SET); Message* m ...