diff options
Diffstat (limited to 'lib/remoteCounter.mli')
| -rw-r--r-- | lib/remoteCounter.mli | 11 |
1 files changed, 10 insertions, 1 deletions
diff --git a/lib/remoteCounter.mli b/lib/remoteCounter.mli index f17f1be3c..5a47ba663 100644 --- a/lib/remoteCounter.mli +++ b/lib/remoteCounter.mli @@ -6,9 +6,18 @@ (* * GNU Lesser General Public License Version 2.1 *) (************************************************************************) +(* Remote counters are *global* counters for fresh ids. In the master/slave + * scenario, the slave installs a getter that asks the master for a fresh + * value. In the scenario of a slave that runs after the death of the master + * on some marshalled data, a backup of all counters status should be taken and + * restored to avoid reusing ids. *) + type 'a getter = unit -> 'a type 'a installer = ('a getter) -> unit -val new_counter : +val new_counter : name:string -> 'a -> incr:('a -> 'a) -> build:('a -> 'b) -> 'b getter * 'b installer +type remote_counters_status +val backup : unit -> remote_counters_status +val restore : remote_counters_status -> unit |