这个函数返回该事件对象的句柄。

This function returns handle to the event object.

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这个例程获得一组服务器绑定句柄。

This routine obtains a set of server binding handles.

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这就是为什么句柄范围非常有用。

This is where handle scopes are very useful.

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在上面的输出中，应用句柄是58。

In the output above, the application handle is 58.

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如果队列已经存在，返回其句柄。

If the queue already exists, its handle is returned.

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该句柄由两个C结构组成。

This handle consists of two C structures.

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返回句柄将用于后续设备控制操作。

The returned handle will be used in further device control operations.

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一组服务器绑定句柄称为向量。

A set of server binding handles is called a vector.

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可以对这些句柄发出RPC调用。

These handles are the ones to which RPCs can be made.

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在这个输出中，第三列就是应用句柄。

Application Handle is the third column in this output.

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一段时间后，该连接器句柄就会消失。

The connector handles disappear after a certain amount of time has passed.

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代理命令队列上没有打开的输入句柄；

There is no open input handle on the agent command queue

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服务器会返回一个文件句柄和状态信息。

The server returns a file handle and state information.

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文件描述符用作设备句柄。

The file descriptor is used as the device handle.

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还可以指定接口的句柄和对象UUID。

The handle to the interface and optionally the object UUID is also specified.

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NULL绑定句柄表示在本地执行调用。

A NULL binding handle indicates that the call is to be executed locally.

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清单3：使用数据库句柄。

Listing 3: Using a database handle.

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此脚本获得了一个数据库句柄和游戏id。

The script takes a database handle and the game ID.

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在此之后，把字符串绑定转换为绑定句柄。

After that, the string binding is converted into a binding handle.

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根据绑定句柄在本地或远程执行这个调用。

The call is executed locally or remotely based on the binding handle.

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当操作失败的时候V8会返回一个空句柄。

V8 returns an empty handle if an operation did not succeed.

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绑定向量是一组引用绑定信息的绑定句柄。

A binding vector is a set of binding handles referring to binding information.

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这些回调称为事件句柄。

These callbacks are referred to as event handlers.

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这里有两种类型的句柄。

There are two types of handles.

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连接器句柄的可用选项。

Available options with connector handles.

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然后，设置回调句柄。

Then, it sets the callback handlers.

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清单2显示如何使用open获取设备句柄。

Listing 2 shows how we use open to get a device handle.

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这个例程首先检查接口句柄是否为 NULL。

This routine initially checks if the interface handle is NULL.

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具体的数量取决于操作系统版本和句柄的类型。

The exact amount depends on the operating-system version and the type of handle.

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具体的数量取决于操作系统版本和句柄的类型。

The exact amount depends on the operating-system version and the type of handle.

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