uint64_t sx_vlsn(sxmanager *m)
{
ss_spinlock(&m->lock);
uint64_t vlsn;
if (sx_count(m) > 0) {
ssrbnode *node = ss_rbmin(&m->i);
sx *min = sscast(node, sx, node);
vlsn = min->vlsn;
} else {
vlsn = sr_seq(m->seq, SR_LSN);
}
ss_spinunlock(&m->lock);
return vlsn;
}
ss_rbget(sx_matchtx, ss_cmp((sscast(n, sx, node))->id, sscastu64(key)))
sx *sx_find(sxmanager *m, uint64_t id)
{
ssrbnode *n = NULL;
int rc = sx_matchtx(&m->i, NULL, (char*)&id, sizeof(id), &n);
if (rc == 0 && n)
return sscast(n, sx, node);
return NULL;
}
static inline sxstate
sx_promote(sx *x, sxstate state)
{
x->state = state;
return state;
uint64_t sx_vlsn(sxmanager *m)
{
ss_spinlock(&m->lock);
uint64_t vlsn;
if (sx_count(m) > 0) {
ssrbnode *node = ss_rbmin(&m->i);
sx *min = sscast(node, sx, node);
vlsn = min->vlsn;
} else {
vlsn = sr_seq(m->r->seq, SR_LSN);
}
ss_spinunlock(&m->lock);
return vlsn;
}
ss_rbget(sx_matchtx, ss_cmp((sscast(n, sx, node))->id, *(uint64_t*)key))
sx *sx_find(sxmanager *m, uint64_t id)
{
ssrbnode *n = NULL;
int rc = sx_matchtx(&m->i, NULL, (char*)&id, sizeof(id), &n);
if (rc == 0 && n)
return sscast(n, sx, node);
return NULL;
}
void sx_init(sxmanager *m, sx *x)
{
x->manager = m;
sv_loginit(&x->log);
ss_listinit(&x->deadlock);
static int cmp_s(const struct SMapSx *a, const struct SMapSx *b)
{
return ss_cmp(a->k, b->k);
}