进程间通讯

dbus通讯

https://blog.csdn.net/billxin2012/article/details/26395729

这个地方需要修改

if(ret !=DBUS_REQUEST_NAME_REPLY_PRIMARY_OWNER&&ret !=DBUS_REQUEST_NAME_REPLY_ALREADY_OWNER ){ printf(“ret !=DBUS_REQUEST_NAME_REPLY_PRIMARY_OWNER %d\n”,ret); return -1;

while(1) { while(scanf("%s",cmd)==1) { send_a_signal(cmd); } }

socket通讯 https://blog.csdn.net/shanzhizi/article/details/16882087 https://blog.csdn.net/pt_raspi_fresher/article/details/79112924

消息队列 https://blog.csdn.net/qq_36971449/article/details/83345874

https://blog.csdn.net/zhanghuaichao/article/details/53242057