diff options
Diffstat (limited to 'lib')
| -rw-r--r-- | lib/mnesia/src/mnesia_locker.erl | 20 |
1 files changed, 11 insertions, 9 deletions
diff --git a/lib/mnesia/src/mnesia_locker.erl b/lib/mnesia/src/mnesia_locker.erl index 81b435c6dc..683314e4e5 100644 --- a/lib/mnesia/src/mnesia_locker.erl +++ b/lib/mnesia/src/mnesia_locker.erl @@ -84,7 +84,7 @@ init(Parent) -> register(?MODULE, self()), process_flag(trap_exit, true), ?ets_new_table(mnesia_held_locks, [ordered_set, private, named_table]), - ?ets_new_table(mnesia_tid_locks, [bag, private, named_table]), + ?ets_new_table(mnesia_tid_locks, [ordered_set, private, named_table]), ?ets_new_table(mnesia_sticky_locks, [set, private, named_table]), ?ets_new_table(mnesia_lock_queue, [bag, private, named_table, {keypos, 2}]), @@ -248,13 +248,13 @@ loop(State) -> end. set_lock(Tid, Oid, Op, []) -> - ?ets_insert(mnesia_tid_locks, {Tid, Oid, Op}), + ?ets_insert(mnesia_tid_locks, {{Tid, Oid, Op}}), ?ets_insert(mnesia_held_locks, {Oid, Op, [{Op, Tid}]}); set_lock(Tid, Oid, read, [{Oid, Prev, Items}]) -> - ?ets_insert(mnesia_tid_locks, {Tid, Oid, read}), + ?ets_insert(mnesia_tid_locks, {{Tid, Oid, read}}), ?ets_insert(mnesia_held_locks, {Oid, Prev, [{read, Tid}|Items]}); set_lock(Tid, Oid, write, [{Oid, _Prev, Items}]) -> - ?ets_insert(mnesia_tid_locks, {Tid, Oid, write}), + ?ets_insert(mnesia_tid_locks, {{Tid, Oid, write}}), ?ets_insert(mnesia_held_locks, {Oid, write, [{write, Tid}|Items]}); set_lock(Tid, Oid, Op, undefined) -> set_lock(Tid, Oid, Op, ?ets_lookup(mnesia_held_locks, Oid)). @@ -294,7 +294,7 @@ try_lock(Tid, Op, SimpleOp, Lock, Pid, Oid) -> ?ets_insert(mnesia_lock_queue, #queue{oid = Oid, tid = Tid, op = Op, pid = Pid, lucky = Lucky}), - ?ets_insert(mnesia_tid_locks, {Tid, Oid, {queued, Op}}) + ?ets_insert(mnesia_tid_locks, {{Tid, Oid, {queued, Op}}}) end. grant_lock(Tid, read, Lock, Oid = {Tab, Key}, Default) @@ -493,7 +493,7 @@ set_read_lock_on_all_keys(Tid, From, Tab, IxKey, Pos) -> ?ets_insert(mnesia_lock_queue, #queue{oid = Oid, tid = Tid, op = Op, pid = From, lucky = Lucky}), - ?ets_insert(mnesia_tid_locks, {Tid, Oid, {queued, Op}}) + ?ets_insert(mnesia_tid_locks, {{Tid, Oid, {queued, Op}}}) end. %%%%%%%%%%%%%%%%%%%%%%%%%%% @@ -509,7 +509,8 @@ release_remote_non_pending(Node, Pending) -> %% running at the failed node and also simply remove all %% queue'd requests back to the failed node - AllTids = ?ets_match(mnesia_tid_locks, {'$1', '_', '_'}), + AllTids0 = ?ets_match(mnesia_tid_locks, {{'$1', '_', '_'}}), + AllTids = lists:usort(AllTids0), Tids = [T || [T] <- AllTids, Node == node(T#tid.pid), not lists:member(T, Pending)], do_release_tids(Tids). @@ -520,9 +521,10 @@ do_release_tids([]) -> ok. do_release_tid(Tid) -> - Locks = ?ets_lookup(mnesia_tid_locks, Tid), + Objects = ets:select(mnesia_tid_locks, [{{{Tid, '_', '_'}}, [], ['$_']}]), + Locks = lists:map(fun({L}) -> L end, Objects), ?dbg("Release ~p ~p ~n", [Tid, Locks]), - ?ets_delete(mnesia_tid_locks, Tid), + [?ets_delete(mnesia_tid_locks, L) || L <- Locks], release_locks(Locks), %% Removed queued locks which has had locks UniqueLocks = keyunique(lists:sort(Locks),[]), |