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| author | Dan Gudmundsson <dgud@erlang.org> | 2017-12-18 15:30:39 +0100 |
|---|---|---|
| committer | Dan Gudmundsson <dgud@erlang.org> | 2017-12-18 15:30:39 +0100 |
| commit | e038b56530804a3e59cc8832db64e021b4b33d25 (patch) | |
| tree | 5e2df4288d7fb376a93edd38e7356696ccc04967 | |
| parent | 3a14bb468b1f3f1f5bef3c18291fe0498429a417 (diff) | |
| download | erlang-e038b56530804a3e59cc8832db64e021b4b33d25.tar.gz | |
mnesia: Fix checkpoint crash
Bad timing can cause retain messages to go to a new process if
checkpoint name is reused directly and the checkpoints contain
different tables.
Ignore those messages instead of crash.
| -rw-r--r-- | lib/mnesia/src/mnesia_checkpoint.erl | 4 |
1 files changed, 2 insertions, 2 deletions
diff --git a/lib/mnesia/src/mnesia_checkpoint.erl b/lib/mnesia/src/mnesia_checkpoint.erl index 2ff77326a9..8112378ffd 100644 --- a/lib/mnesia/src/mnesia_checkpoint.erl +++ b/lib/mnesia/src/mnesia_checkpoint.erl @@ -857,9 +857,9 @@ retainer_loop(Cp = #checkpoint_args{is_activated=false, name=Name}) -> retainer_loop(Cp = #checkpoint_args{name=Name}) -> receive {_From, {retain, Tid, Tab, Key, OldRecs}} -> - R = val({Tab, {retainer, Name}}), + R = ?catch_val({Tab, {retainer, Name}}), PendingTab = Cp#checkpoint_args.pending_tab, - case R#retainer.really_retain of + case is_record(R, retainer) andalso R#retainer.really_retain of true -> Store = R#retainer.store, try true = ets:member(PendingTab, Tid), |