static void
vmem_destroy1(vmem_t *vm)
{
#if defined(QCACHE)
qc_destroy(vm);
#endif /* defined(QCACHE) */
if (vm->vm_hashlist != NULL) {
int i;
for (i = 0; i < vm->vm_hashsize; i++) {
bt_t *bt;
while ((bt = LIST_FIRST(&vm->vm_hashlist[i])) != NULL) {
KASSERT(bt->bt_type == BT_TYPE_SPAN_STATIC);
bt_free(vm, bt);
}
}
if (vm->vm_hashlist != &vm->vm_hash0) {
xfree(vm->vm_hashlist,
sizeof(struct vmem_hashlist *) * vm->vm_hashsize);
}
}
bt_freetrim(vm, 0);
VMEM_CONDVAR_DESTROY(vm);
VMEM_LOCK_DESTROY(vm);
xfree(vm, sizeof(*vm));
}
void
mvc_trans(mvc *m)
{
int schema_changed = 0, err = m->session->status;
assert(!m->session->active); /* can only start a new transaction */
store_lock();
schema_changed = sql_trans_begin(m->session);
if (m->qc && (schema_changed || m->qc->nr > m->cache || err)){
if (schema_changed || err) {
int seqnr = m->qc->id;
if (m->qc)
qc_destroy(m->qc);
m->qc = qc_create(m->clientid, seqnr);
} else { /* clean all but the prepared statements */
qc_clean(m->qc);
}
}
store_unlock();
}
void
mvc_destroy(mvc *m)
{
sql_trans *tr;
if (mvc_debug)
fprintf(stderr, "#mvc_destroy\n");
tr = m->session->tr;
if (tr) {
store_lock();
if (m->session->active)
sql_trans_end(m->session);
while (tr->parent)
tr = sql_trans_destroy(tr);
m->session->tr = NULL;
store_unlock();
}
sql_session_destroy(m->session);
stack_pop_until(m, 0);
_DELETE(m->vars);
if (m->scanner.log) /* close and destroy stream */
close_stream(m->scanner.log);
if (m->sa)
sa_destroy(m->sa);
m->sa = NULL;
if (m->qc)
qc_destroy(m->qc);
m->qc = NULL;
_DELETE(m->args);
m->args = NULL;
_DELETE(m);
}
