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| author | Dan Gudmundsson <[email protected]> | 2019-07-25 11:07:28 +0200 |
|---|---|---|
| committer | Dan Gudmundsson <[email protected]> | 2019-07-25 11:07:28 +0200 |
| commit | edfeb5d9b7dcba2380f629b5a41cbab65cd40cb8 (patch) | |
| tree | e37833d71d63c5417e7abb43ab9a94bcfc2cc927 /lib/mnesia/src/mnesia_locker.erl | |
| parent | 8418260650c37153dffb0515485dcfc0ff4af55c (diff) | |
| download | otp-edfeb5d9b7dcba2380f629b5a41cbab65cd40cb8.tar.gz otp-edfeb5d9b7dcba2380f629b5a41cbab65cd40cb8.tar.bz2 otp-edfeb5d9b7dcba2380f629b5a41cbab65cd40cb8.zip | |
mnesia: Introduce sync_asym_trans protocol
Transactions with sticky locks could with async_asym transactions be
committed in the wrong order, since asym transaction are spawned on
the remote nodes.
See ERL-768.
Diffstat (limited to 'lib/mnesia/src/mnesia_locker.erl')
| -rw-r--r-- | lib/mnesia/src/mnesia_locker.erl | 2 |
1 files changed, 2 insertions, 0 deletions
diff --git a/lib/mnesia/src/mnesia_locker.erl b/lib/mnesia/src/mnesia_locker.erl index f68626413e..0222c5b1a0 100644 --- a/lib/mnesia/src/mnesia_locker.erl +++ b/lib/mnesia/src/mnesia_locker.erl @@ -774,10 +774,12 @@ do_sticky_lock(Tid, Store, {Tab, Key} = Oid, Lock) -> N = node(), receive {?MODULE, N, granted} -> + ?ets_insert(Store, {sticky, true}), ?ets_insert(Store, {{locks, Tab, Key}, write}), [?ets_insert(Store, {nodes, Node}) || Node <- WNodes], granted; {?MODULE, N, {granted, Val}} -> %% for rwlocks + ?ets_insert(Store, {sticky, true}), case opt_lookup_in_client(Val, Oid, write) of C = #cyclic{} -> exit({aborted, C}); |