int
     pthread_rwlockattr_destroy(pthread_rwlockattr_t *attr);

DESCRIPTION

     The pthread_rwlockattr_destroy() function is used to destroy a read/write
     lock attribute object previously created with pthread_rwlockattr_init().

RETURN VALUES

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

SEE ALSO

     pthread_rwlockattr_init(3)

STANDARDS

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

ERRORS

     pthread_rwlockattr_destroy() may fail if:

     [EINVAL]           The value specified by attr is invalid.

HISTORY

     The pthread_rwlockattr_destroy() function first appeared in FreeBSD 3.0.

BSD                             August 4, 1998                             BSD