/*
increment the tdb sequence number if the tdb has been opened using
the TDB_SEQNUM flag
*/
static void tdb_increment_seqnum(struct tdb_context *tdb)
{
if (!(tdb->flags & TDB_SEQNUM)) {
return;
}
if (tdb->transaction != NULL) {
tdb_increment_seqnum_nonblock(tdb);
return;
}
if (tdb_nest_lock(tdb, TDB_SEQNUM_OFS, F_WRLCK,
TDB_LOCK_WAIT|TDB_LOCK_PROBE) != 0) {
return;
}
tdb_increment_seqnum_nonblock(tdb);
tdb_nest_unlock(tdb, TDB_SEQNUM_OFS, F_WRLCK, false);
}
/*
increment the tdb sequence number if the tdb has been opened using
the TDB_SEQNUM flag
*/
static void tdb_increment_seqnum(struct tdb_context *tdb)
{
if (!(tdb->flags & TDB_SEQNUM)) {
return;
}
if (tdb_brlock(tdb, TDB_SEQNUM_OFS, F_WRLCK, F_SETLKW, 1, 1) != 0) {
return;
}
tdb_increment_seqnum_nonblock(tdb);
tdb_brlock(tdb, TDB_SEQNUM_OFS, F_UNLCK, F_SETLKW, 1, 1);
}
static PyObject *obj_increment_seqnum_nonblock(PyTdbObject *self)
{
PyErr_TDB_RAISE_IF_CLOSED(self);
tdb_increment_seqnum_nonblock(self->ctx);
Py_RETURN_NONE;
}