/*
* Routine: lck_mtx_init_ext
*/
void
lck_mtx_init_ext(
lck_mtx_t *lck,
lck_mtx_ext_t *lck_ext,
lck_grp_t *grp,
lck_attr_t *attr)
{
lck_attr_t *lck_attr;
if (attr != LCK_ATTR_NULL)
lck_attr = attr;
else
lck_attr = &LockDefaultLckAttr;
if ((lck_attr->lck_attr_val) & LCK_ATTR_DEBUG) {
lck_mtx_ext_init(lck_ext, grp, lck_attr);
lck->lck_mtx_tag = LCK_MTX_TAG_INDIRECT;
lck->lck_mtx_ptr = lck_ext;
} else {
lck->lck_mtx_ilk = 0;
lck->lck_mtx_locked = 0;
lck->lck_mtx_waiters = 0;
lck->lck_mtx_pri = 0;
}
lck_grp_reference(grp);
lck_grp_lckcnt_incr(grp, LCK_TYPE_MTX);
}
void
lck_spin_init(lck_spin_t *lck,
lck_grp_t *grp,
__unused lck_attr_t *attr)
{
lck->interlock = 0;
lck_grp_reference(grp);
lck_grp_lckcnt_incr(grp, LCK_TYPE_SPIN);
}
/*
* Routine: lck_spin_init
*/
void
lck_spin_init(
lck_spin_t *lck,
lck_grp_t *grp,
__unused lck_attr_t *attr)
{
usimple_lock_init((usimple_lock_t) lck, 0);
lck_grp_reference(grp);
lck_grp_lckcnt_incr(grp, LCK_TYPE_SPIN);
}
void
lck_rw_init(lck_rw_t *lck,
lck_grp_t *grp,
lck_attr_t *attr)
{
lck_attr_t *lck_attr = (attr != LCK_ATTR_NULL) ?
attr : &LockDefaultLckAttr;
lck->lck_rw_interlock = 0;
lck->lck_rw_want_excl = FALSE;
lck->lck_rw_want_upgrade = FALSE;
lck->lck_rw_shared_count = 0;
lck->lck_rw_waiting = 0;
lck->lck_rw_tag = 0;
lck->lck_rw_priv_excl = ((lck_attr->lck_attr_val &
LCK_ATTR_RW_SHARED_PRIORITY) == 0);
lck_grp_reference(grp);
lck_grp_lckcnt_incr(grp, LCK_TYPE_RW);
}
void
lck_mtx_init(lck_mtx_t *lck,
lck_grp_t *grp,
lck_attr_t *attr)
{
lck_mtx_ext_t *lck_ext;
lck_attr_t *lck_attr;
if (attr != LCK_ATTR_NULL)
lck_attr = attr;
else
lck_attr = &LockDefaultLckAttr;
lck->lck_mtx_data = 0;
lck->lck_mtx_waiters = 0;
lck->lck_mtx_state = 0;
lck_grp_reference(grp);
lck_grp_lckcnt_incr(grp, LCK_TYPE_MTX);
}
