The default exceptional handler can block the message consumption when a single poisoned message processing is failed.
缺省异常处理程序可以在单个被破坏的消息处理失败时阻塞消息使用。
If an interrupt keeps coming in and there is no registered handler for that device (for instance, all drivers return IRQ_NONE), then the kernel can block interrupts from that device.
如果一个中断请求不断到来而且没有注册那个设备的处理程序(例如，所有的驱动程序都返回IRQ_NONE)，内核就会忽略来自那个设备的中断。
To create this intricate event handler, you simply add a script block to the bottom of the head element of checkout.html like the one in Listing 8.
要创建这个复杂的事件处理程序，仅需向checkout . html的head元素的底部添加一个脚本块，如清单8所示。
A call to cancel_work_sync will terminate the work in the queue or block until the callback has finished (if the work is already in progress in the handler).
调用cancel_work_sync将会终止队列中的任务或者阻塞任务直到回调结束(如果处理程序已经在处理该任务)。
Every event has a handler which is a block of code that is executed in response to the occurrence of the event.
每个事件有一个处理函数，即在发生此事件时执行的代码块。
The first block contains the event handler to initialize the application (onload) and the initialization of the database, as shown in Listing 3.
第一段包含初始化应用程序的事件处理函数(onload)和数据库初始化，如清单3所示。
Branch out of exception handler block.
从例外处理常式区块分支出来。
Branch out of exception handler block.
从异常处理程序块中分支。
The application block includes an exception handler that logs exception information.
应用程序块包括记录异常信息的异常处理程序。
The application block includes an exception handler that logs exception information.
应用程序块包括记录异常信息的异常处理程序。
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