A thread attempting to re lock this mutex without first unlocking it shall deadlock.
如果线程在不首先解除互斥锁的情况下尝试重新锁定该互斥锁，则会产生死锁。
A thread attempting to re lock this mutex without first unlocking it shall return with an error.
如果线程在不首先解除锁定互斥锁的情况下尝试重新锁定该互斥锁，则会返回错误。
Pledges on Europe need treating with caution, but if you wanted a real referendum lock, this is what it would look like.
对欧盟的承诺需要谨慎对待，但是要想建立一个真正意义上的公投机制，就得这样。
LOCK_EX an exclusive lock. This denies all other processes both read and write access to the file.
排他锁。除加锁进程外其他进程没有对已加锁文件读写访问权限。
LOCK_EX an exclusive lock. This denies all other processes both read and write access to the file.
排他锁。除加锁进程外其他进程没有对已加锁文件读写访问权限。
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