这个变量假定中断处理程序和该锁之间没有交互。

This variant assumes no interactions with interrupt handlers and this lock.

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线程之间的同步导致了锁争用。

Synchronization between the threads is causing contention on the locks.

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由于这种同步，在使用核心JLS服务时，必须谨慎执行以避免GC抢占NHRT的问题(参见NHRT和rt线程之间的锁争用)。

Because of this synchronization, when using core JLS services, you must exercise care to avoid the problem of NHRT preemption by GC (see Lock contention between NHRTs and RT threads).

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