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Chap. 23 Threads

Chap. 23 Threads. (1) Threads v.s. Fork. (2) Basic Thread Functions. #include <pthread.h> int pthread_create ( pthread_t *tid , const pthread_attr_t * attr , void *(* func )(void *), void * arg );

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Chap. 23 Threads

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  1. Chap. 23 Threads (1) Threads v.s. Fork (2) Basic Thread Functions #include <pthread.h> int pthread_create ( pthread_t *tid, const pthread_attr_t *attr, void *(*func)(void *), void *arg); int pthread_join ( pthread_t tid, void ** status); pthread_t pthread_self (void); int pthread_detach (pthread_ tid); void pthread_exit (void *status);

  2. (3) Thread-specific Data Thread-specific data per process Thread-specific data items per thread

  3. Functions for Thread-specific Data int pthread_once (pthread_once_t *onceptr, void (*init)(void)); int pthread_key_create(pthread_key_t *keyptr, void (*destructor) (void *value)); void *pthread_getspecific (pthread_key_t key); int pthread_setspecific (pthread_key_t key, const void *value); (4) Mutexes : Mutual Exclusion int pthread_mutex_lock (pthread_mutex_t *mptr); int pthread_mutex_unlock (pthread_mutex_ *mptr); (5) Condition Variables int pthread_cond_wait (pthread_cond_t *cptr, pthread_mutex_ *mptr); int pthread_cond_signal (pthread_cond_t *cptr); int pthread_cond_broadcast (pthread_cond_t *cptr); int pthread_cond_timedwait (pthread_cond_t *cptr, pthread_mutex_t *mptr, const struct timespec *abstime)

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