From d6ea474810da7c118fecd9e99141e27c9fb3ca3d Mon Sep 17 00:00:00 2001 From: Feng Date: Sun, 5 Jul 2015 22:53:54 +0800 Subject: [PATCH] comment --- src/emqttd_guid.erl | 6 +++++- 1 file changed, 5 insertions(+), 1 deletion(-) diff --git a/src/emqttd_guid.erl b/src/emqttd_guid.erl index a6897b73f..07d3dbcd4 100644 --- a/src/emqttd_guid.erl +++ b/src/emqttd_guid.erl @@ -31,7 +31,7 @@ %%% 1. Timestamp: erlang:system_time if Erlang >= R18, otherwise os:timestamp %%% 2. NodeId: encode node() to 2 bytes integer %%% 3. Pid: encode pid to 4 bytes integer -%%% 4. Sequence: 2 bytes sequence no per pid +%%% 4. Sequence: 2 bytes sequence per pid %%% %%% @end %%%----------------------------------------------------------------------------- @@ -44,6 +44,10 @@ -type guid() :: <<_:128>>. +%%------------------------------------------------------------------------------ +%% @doc Generate a global unique id. +%% @end +%%------------------------------------------------------------------------------ -spec gen() -> guid(). gen() -> Guid = case get(guid) of