pthread_mutexattr_init(3P)			    pthread_mutexattr_init(3P)

NAME    [Toc]    [Back]

     pthread_mutexattr_init, pthread_mutexattr_destroy - initialize/destroy a
     mutex attribute object

C SYNOPSIS    [Toc]    [Back]

     #include <pthread.h>

     int pthread_mutexattr_init(pthread_mutexattr_t *attr);
     int pthread_mutexattr_destroy(pthread_mutexattr_t *attr);

DESCRIPTION    [Toc]    [Back]

     The function pthread_mutexattr_init() initializes the mutex attribute
     object referenced by attr to the default attribute	values.	 The default
     sharing value is PTHREAD_PROCESS_PRIVATE.	The default priority protocol
     is	PTHREAD_PRIO_NONE.  The	default	mutex type is PTHREAD_MUTEX_DEFAULT.

     Once a mutex attribute object is used to initialize one or	more mutexes,
     any function that affects the attribute object will not affect the
     previously	initialized mutexes.  pthread_mutexattr_destroy()
     uninitializes the mutex attribute structure referenced by attr.

DIAGNOSTICS    [Toc]    [Back]

     These functions return zero.

SEE ALSO    [Toc]    [Back]

     pthread_mutex_lock(3P), pthread_mutexattr_setprioceiling(3P),
     pthread_mutexattr_setpshared(3P), pthread_mutexattr_setprotocol(3P),
     pthread_mutexattr_settype(3P).


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