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[Linux] pthread_mutex_lock and pthread_spin_lock Performance

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Int X; // global variable in the process

Pthread_mutex_t mutex;

Pthread_mutex_init (& mutex, null); // initialize mutex variable mutex Based on the default attribute

Pthread_mutex_lock (& mutex); // lock the mutex variable

... // Operations on variable X

Phtread_mutex_unlock (& mutex); // unlock the mutex variable

Is it... // Variables in the operations on variable X are mutually exclusive. Which variables are protected by mutex? How to Use

 

 

 
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Initialization of the pthread_mutex_t variable

 

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