有名管道

规范化风格

 

 if(argc == 3) {
                if(strncmp(argv[1], "rot", 3) == 0) {
                        //ret = atoi(argv[2]);
                        if(pthread_create(&th, NULL, rotation, argv[2]) < 0) {
                                printf("Rendering thread creation error\n");
                        }
                }
        } else {
                char tmp = '0';
                if(pthread_create(&th, NULL, rotation, &tmp) < 0) {
                                printf("Rendering thread creation error\n");
                }
        }

 

Fred地方

if(access(FIFO,F_OK) == -1){
                mkfifo(FIFO,0777);
        }

        fd=open(FIFO,O_RDONLY|O_NONBLOCK);
        if(fd < 0){
                printf("Open fifo error!\n");
        }

地方地方豆腐干

 while(1){
                memset(buff,'\0',100);
                if((num=read(fd,buff,100))==0){
                        usleep(100*1000);
                        continue;
                }

                printf("read %d in fifo , it's %s",num,buff);
                if(strncmp(buff, "180", 3)==0) {