int
     pthread_rwlockattr_init(pthread_rwlockattr_t *attr);

DESCRIPTION

     The pthread_rwlockattr_init() function is used to initialize a read/write
     lock attributes object.

RETURN VALUES

     If successful, the pthread_rwlockattr_init() function will return zero.
     Otherwise an error number will be returned to indicate the error.

SEE ALSO

     pthread_rwlockattr_destroy(3), pthread_rwlockattr_getpshared(3),
     pthread_rwlockattr_setpshared(3), pthread_rwlock_init(3)

STANDARDS

     The pthread_rwlockattr_init() function is expected to conform to
     Version 2 of the Single UNIX Specification (``SUSv2'').

ERRORS

     pthread_rwlockattr_init() will fail if:

     [ENOMEM]           Insufficient memory exists to initialize the attribute
                        object.

HISTORY

     The pthread_rwlockattr_init() function first appeared in FreeBSD 3.0.

BSD                             August 4, 1998                             BSD