Domain/OS ATTR Trait

The entry point vector:

typedef struct attr_$epv
{
    void
    (*inq_ref_count)    /* inquire reference count */
    (
        void *&handle,              /* the object handle */
        unsigned long *ref_count,   /* store the count here */
        status_$t *status
    );

    void
    (*inq_time)     /* inquire timestamp */
    (
        void *&handle,
        attr_$time_type_t &which,   /* created, modified, used, etc. */
        time_$clock_t *time,
        status_$t *status
    );

    void
    (*set_time)     /* set a timestamp */
    (
        void *&handle,
        attr_$time_type_t &which,   /* created, modified, used, etc. */
        time_$clock_t &time,
        status_$t *status
    );

    void
    (*inq_blocks)   /* inquire block size and count */
    (
        void *&handle,
        unsigned long *blocks_count,
        unsigned long *block_size,
        status_$t *status
    );
} attr_$epv;

The attr_trait structure

trait_$t attr_$trait =
{
    4,                          /* four calls */
    { 3280CDA2.0004653 },      /* attr trait UID */
    { { 3280CDA2.1004653 }, unimp_attr_trait_$3_args },    /* inq_ref_count */
    { { 3280CDA2.2004653 }, unimp_attr_trait_$4_args },    /* inq_time */
    { { 3280CDA2.3004653 }, unimp_attr_trait_$4_args },    /* set_time */
    { { 3280CDA2.4004653 }, unimp_attr_trait_$4_args },    /* inq_blocks */
};