优化退出流程，统一注册到on_exit(

c/tem/ctl.c

@@ -239,6 +239,7 @@ int teml(Ctl *self,int fifo[2])
     //创建线程用于定期清理日志
     pthread_create(&self->logwathcher,NULL,self->logmanager->clear_log,self->logmanager);
     command->statue = 0;
+    self->command = command;
     do
     {   //设置缓冲区，接收用户输入
         write(STDOUT_FILENO,PROMPT,sizeof(PROMPT));
@@ -252,11 +253,14 @@ int teml(Ctl *self,int fifo[2])
         const char fexp[256] = {'\0'};
         memcpy(&input,&fexp,MAX_BUF);
     }while(command->statue == 0);
-    pthread_kill(self->logwathcher,SIGUSR1);
+    log_manager_stop(self->logmanager);
+    pthread_join(self->logwathcher,NULL);
     //关闭log定期清理程序
     close(fifo[0]);
+
     close(fifo[1]);
     free_history(self);
+    self->command = NULL;
     free(command);
 }