When the caller wants to control a transaction, you use the suspend transaction qualifier.

当一个调用者想控制一个事务时，可以使用中止事务 限定符。

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When control returns to the caller, the caller extracts the return values from the stack.

当控制返回给调用程序时，调用程序就可以从堆栈中提取出返回值。

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In either case, when control is returned, the caller holds the mutex.

无论在哪种情形中，当控制被返回时，调用者将持有互斥锁。

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The apps allow users to view SMS, caller ID, control music on their smartphones, and track buddies around any of the resort maps that are stored on the HUD, direct-to-eye, in real-time, as well as view trips using Trip Viewer.

ENGADGET: Recon updates its HUD tech, adds new view modes to MOD Live

Until now, only Android smartphone users have been able to take advantage of the SMS, caller ID and music control functions offered by our HUDs.

ENGADGET: Recon updates its HUD tech, adds new view modes to MOD Live