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Diffstat (limited to 'src/mirrored_supervisor.erl')
| -rw-r--r-- | src/mirrored_supervisor.erl | 15 |
1 files changed, 14 insertions, 1 deletions
diff --git a/src/mirrored_supervisor.erl b/src/mirrored_supervisor.erl index 6c5c09df..f44b1f1d 100644 --- a/src/mirrored_supervisor.erl +++ b/src/mirrored_supervisor.erl @@ -70,6 +70,19 @@ %% application should invoke create_tables() (or table_definitions() %% if it wants to manage table creation itself). %% +%% The TxFun parameter to start_link/{4,5} is a function which the +%% mirrored supervisor can use to execute Mnesia transactions. In the +%% RabbitMQ server this goes via a worker pool; in other cases a +%% function like: +%% +%% tx_fun(Fun) -> +%% case mnesia:sync_transaction(Fun) of +%% {atomic, Result} -> Result; +%% {aborted, Reason} -> throw({error, Reason}) +%% end. +%% +%% could be used. +%% %% Internals %% --------- %% @@ -161,7 +174,7 @@ -type group_name() :: any(). --type(tx_fun() :: fun((fun(() -> any())) -> any())). +-type(tx_fun() :: fun((fun(() -> A)) -> A)). -spec start_link(GroupName, TxFun, Module, Args) -> startlink_ret() when GroupName :: group_name(), |