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Some good articles on pthread multithreading

2022-04-23 14:07:00 【JokerYourMemory】

Read some good articles on Multithreading , For record ：

Condition variables, pthread_cond_wait Explanation of classic usage , Other articles still don't make it clear , This article is still very good ：

pthread_cond_wait Detailed explanation _zzran The column -CSDN Blog Usually , and pthread _cond_wait Paired with pthread_cond_signal , Also used for pthread_cond_t The initialization of the pthread_cond_init, Destroyed pthread_cond_destroy function , And for lock protection pthread_mutex_lock and pthread_mutex_unlock, Later, we will explain why it is locked . Initializing condition variables inthttps://blog.csdn.net/zzran/article/details/8830213

pthread_cond_wait Suspend the process instead of blocking , The difference between concepts refers to ：

Linux review ：pthread Of cond and mutex_ Blog for programming enthusiasts -CSDN Blog The mutex mutex This article describes pthread Creation and separation of , What is the condition variable of the waiting thread ？ Sync The concept is mainly when a thread can modify variables , When other threads can also read or modify this variable , You need to synchronize these threads , To ensure that they do not access invalid values when accessing the stored contents of variables . stay Linux in , It can be understood that one thread needs to wait for another thread to complete a condition variable , In order to continue their own , Or hang yourself up . By the way, review the difference between hanging and blocking when multiple control threads ...https://blog.csdn.net/weixin_41143631/article/details/89303723 Baidu's is also very good , At first glance, it is the official translation ：

https://baike.baidu.com/item/pthread_cond_wait/3011997?fr=aladdinhttps://baike.baidu.com/item/pthread_cond_wait/3011997?fr=aladdin The feeling of understanding is different from yourself , But after all, it gives the operation and results ：

Condition variables, ,pthread_cond_wait() Usage analysis _ A pigsty for non serious graduate students -CSDN Blog Foreword no matter which way to wait , Must be matched with a mutex , To prevent multiple threads from requesting pthread_cond_wait()（ or pthread_cond_timedwait(), The same below ） Competitive conditions （Race Condition）.mutex Mutex must be a normal lock （PTHREAD_MUTEX_TIMED_NP） Or adapt to the lock （PTHREAD_MUTEX_ADAPTIVE_NP）, And calling pthread_cond_wai...https://blog.csdn.net/paulkg12/article/details/84663378

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