Trace hooks can be applied at the entry or exit of any function (currently exit probe point is supported for system calls only).
跟踪钩子可以应用于任何函数的入口或出口(当前对于系统调用只支持出口探测点)。
If you get off at a station where there is only a tall exit with high steel bars, wait for the next train and go to the nearest station that permits easy exit with a bike.
如果您下车车站那里仅仅是一个高出口与高钢筋,等待下一个训练和到最近的车站,允许容易退出的自行车。
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