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std::recursive_timed_mutex::try_lock

STD：：递归[医]定时[医]互斥：：尝试[医]锁

bool try_lock(​(since C++11)

试图锁定互斥体。马上回来。关于成功锁定获取返回true，否则返回false...

此函数允许伪造失败并返回。false即使互斥锁目前没有被任何其他线程锁定。

线程可以调用try_lock在递归互斥体上重复。成功呼叫try_lock递增ownsership计数：只有在线程进行匹配次数的调用之后，互斥锁才会释放。unlock...

所有权的最大级别未指定。打电话给try_lock会回来false如果超过此数字。

优先unlock()对同一个互斥体的操作同步性中定义的28名ASstd::memory_order%29如果返回此操作true.注意到以前lock()如果此操作返回，则不与其同步。false...

参数

%280%29

返回值

true如果成功获取锁，则为false...

例外

%280%29

例

另见

locklocks the mutex, blocks if the mutex is not available (public member function)
try_lock_fortries to lock the mutex, returns if the mutex has beenunavailable for the specified timeout duration (public member function)
try_lock_untiltries to lock the mutex, returns if the mutex has beenunavailable until specified time point has been reached (public member function)
unlockunlocks the mutex (public member function)

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