1 files changed, 7 insertions, 2 deletions

diff --git a/src/lanes.lua b/src/lanes.lua
index 26237d5..a621dd4 100644
--- a/src/lanes.lua
+++ b/src/lanes.lua
@@ -62,7 +62,7 @@ lanes.configure = function( _params)
         local tostring = assert( tostring)
         local error = assert( error)
 
-        local default_params = { nb_keepers = 1, on_state_create = nil, shutdown_timeout = 0.25, with_timers = true}
+        local default_params = { nb_keepers = 1, on_state_create = nil, shutdown_timeout = 0.25, with_timers = true, track_lanes = nil}
         local param_checkers =
         {
                 nb_keepers = function( _val)
@@ -80,6 +80,10 @@ lanes.configure = function( _params)
                 shutdown_timeout = function( _val)
                         -- nb_keepers should be a number >= 0
                         return type( _val) == "number" and _val >= 0
+                end,
+                track_lanes = function( _val)
+                        -- track_lanes may be nil or boolean
+                        return _val and type( _val) == "boolean" or true
                 end
         }
 
@@ -113,7 +117,7 @@ lanes.configure = function( _params)
         assert( type( core)=="table")
 
         -- configure() is available only the first time lanes.core is required process-wide, and we *must* call it to have the other functions in the interface
-        if core.configure then core.configure( _params.nb_keepers, _params.on_state_create, _params.shutdown_timeout) end
+        if core.configure then core.configure( _params.nb_keepers, _params.on_state_create, _params.shutdown_timeout, _params.track_lanes) end
 
         local thread_new = assert( core.thread_new)
 
@@ -631,6 +635,7 @@ end
         lanes.linda = core.linda
         lanes.cancel_error = core.cancel_error
         lanes.nameof = core.nameof
+        lanes.threads = core.threads
         lanes.timer = timer
         lanes.timers = timers
         lanes.genlock = genlock