The Watchit tool provides a staticroutine that any plug-in can invoke to send IM alerts easily.
Watchit工具提供了一个静态例程，任意插件都可以调用该静态例程轻松发送IM警报。
2
In general, to be THREADSAFE, a routine should not use any global or static data areas.
一般来说，要想定义为THREADSAFE，例程不应该使用任何全局或静态数据区域。
3
Listing 4 shows an example of the power of adding a simple validation routine to the account number field to make sure it cannot be a non-number in addition to using static columns.