Question: Does the following code guarantee (a) mutex, (b) no unnecessary delay, (c) fairness void thr_exit() { Pthread_mutex_lock(&m); Pthread_cond_signal(&c); Pthread_mutex_unlock(&m); } void thr_join() { Pthread_mutex_lock(&m); Pthread_cond_wait(&c,

Does the following code guarantee (a) mutex, (b) no unnecessary delay, (c) fairness void thr_exit() { Pthread_mutex_lock(&m); Pthread_cond_signal(&c); Pthread_mutex_unlock(&m); } void thr_join() { Pthread_mutex_lock(&m); Pthread_cond_wait(&c, &m); Pthread_mutex_unlock(&m); }

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