finish bwl starting

BWLserver/server.hh

@@ -127,46 +127,35 @@ inline void relaunch_updater()
 void start_bwl_server()
 {
     server_recv.open("/dev/bwl/reciever.pipe", bwl::Pipe::in);
-    signal(SIGBWLREQ, bwl::reqrec);
     bwl::initDisplay(monitor_device);
+    //获取屏幕的帧缓冲
     char *buffer = (char *)bwl::getDrmBuffer();
+    bwl::drm_buffer = buffer;
+    //向控制数据文件写数据供用户读取
     std::fstream data(BWLDIR + "/data/monitor", std::ios::out);
     data << bwl::getDisplayWidth() << '\n'
          << bwl::getDisplayHeight() << '\n'
          << getDisplayPixDpt();
     data.close();
-    bwl::setmonitor(bwl::getDisplayWidth(), bwl::getDisplayHeight(), getDisplayPixDpt());
-    bwl::drm_buffer = buffer;
     bwl::log("init finished.");
-    //初始化完成
-    //初始化数据
-    bwl::__page *p0 = bwl::createPage(0);
+    //初始化服务器完成
+    //初始化基础数据
+    bwl::__page *p0 = bwl::createPage(0); //创建page0，又称为logpage，用于打印日志
     if (p0 == (bwl::__page *)-2)
     {
-        bwl::bwl_exit(30);
+        bwl::bwl_exit(LOGPAGE_INIT_FAILED);
     }
     pages[0] = p0;
     current_pgid = 0;
     pages[0]->owners[pages[0]->ownerc++] = getpid();
-    for (int i = 0; i < bwl::getMonitorWidth(); i++)
-        for (int j = 0; j < bwl::getMonitorHeight(); j++)
-        {
-            buffer_at(p0->server_bg_layer, i, j, bwl::getMonitorWidth()) = 0x00101011;
-        }
     //标记运行中
     server_running = true;
-    //给p0背景刷新
-    bwl::__updating_signals::bg udblk;
-    udblk.sig = true;
-    udblk.pos[0] = -1;
-    udblk.pos[1] = 0;
-    udblk.size[0] = 0;
-    udblk.size[1] = 0;
-    bwl::__ud.bg_update_que.push(udblk);
     //启动刷新线程
     launch_updater();
     //启动guilog
     bwl::initGUILog((uint32_t *)p0->server_bg_layer, bwl::getMonitorWidth(), bwl::getMonitorHeight(), 0x00101011);
+    signal(SIGBWLREQ, bwl::reqrec);          //开始接收用户程序信号
+    bwl::putString("\fbwl-server running."); //向logpage打印日志
 }
 
 #endif