diff options
Diffstat (limited to 'lib/kernel/src/global.erl')
-rw-r--r-- | lib/kernel/src/global.erl | 16 |
1 files changed, 10 insertions, 6 deletions
diff --git a/lib/kernel/src/global.erl b/lib/kernel/src/global.erl index 0c73ead7c5..5e8bc2ba5d 100644 --- a/lib/kernel/src/global.erl +++ b/lib/kernel/src/global.erl @@ -58,14 +58,18 @@ %%% In certain places in the server, calling io:format hangs everything, %%% so we'd better use erlang:display/1. %%% my_tracer is used in testsuites --define(trace(_), ok). +%% uncomment this if tracing is wanted +%%-define(DEBUG, true). +-ifdef(DEBUG). +-define(trace(T), erlang:display({format, node(), cs(), T})). + cs() -> + {_Big, Small, Tiny} = erlang:timestamp(), + (Small rem 100) * 100 + (Tiny div 10000). %-define(trace(T), (catch my_tracer ! {node(), {line,?LINE}, T})). - -%-define(trace(T), erlang:display({format, node(), cs(), T})). -%cs() -> -% {_Big, Small, Tiny} = now(), -% (Small rem 100) * 100 + (Tiny div 10000). +-else. +-define(trace(_), ok). +-endif. %% These are the protocol versions: %% Vsn 1 is the original protocol. |