Comments (3)
bluebore
commented on May 20, 2024
linux下，重复加锁是会死锁的，所以当前实现是可以工作的，我会再研究下其他几种类型，看哪个更适合替换。
关闭issue的原因是什么，你又有新的发现？
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yvxiang
commented on May 20, 2024
上午看错了，以为当前代码中有重复加锁的地方，但是居然没有死锁，现在排查清楚了，是看错了锁……
POSIX标准的手册中写的在PTHREAD_MUTEX_DEFAULT情况下，重复加锁会导致不确定行为，linux的一些版本中，PTHREAD_MUTEX_DEFAULT被映射到了PTHREAD_MUTEX_NORMAL，这样便会导致死锁。但这种映射是没有保证的。所以我感觉还是有必要替换一下的，至少应该改为PTHREAD_MUTEX_NORMAL。
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bluebore
commented on May 20, 2024
已经移到baidu/common中了
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