... (4) 并口打印的控制。并口打印机提供定位(lp-lseek( ))和控制(lp-io ① 表示请求状态rq-status; ② 表示请求所访问的设备rq-dev; ...
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如果状态是“正在运行”(通过一个绿色的“play”图标表示),则您的应用程序已准备好接收请求。
When the status is "running," indicated by a green "play" icon, your application is ready to receive requests.
输出表明等待的是 db2pd 输出中的行(0;A)上的锁,因为提供锁请求状态的 ‘Sts’ 列显示 W,表示等待。
The output indicates that you are waiting on the lock on the row (0;A) from the db2pd output because the 'Sts' column, which provides the status of the lock request, shows a W for waiting.
就如我上面提到的,一个状态值为1则标示新信息请求成功,2则表示请求成功但是没有新信息。
As I mentioned above, a status code of 1 will represent a successful request with new messages, 2 as successful without new messages.
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