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local lanes = require "lanes" .configure{ with_timers = false, track_lanes = true}
local wait
do
local linda = lanes.linda()
wait = function( seconds_)
linda:receive( seconds_, "dummy_key")
end
end
print "hello"
local track = function( title_)
print( title_)
for k, v in pairs( lanes.threads())
do
print( k, v.name, v.status)
end
print( "\n")
end
local sleeper = function( name_, seconds_)
-- print( "entering '" .. name_ .. "'")
local lanes = require "lanes"
-- no set_debug_threadname in main thread
if set_debug_threadname
then
-- print( "set_debug_threadname('" .. name_ .. "')")
set_debug_threadname( name_)
end
-- suspend the lane for the specified duration with a failed linda read
wait( seconds_)
-- print( "exiting '" .. name_ .. "'")
end
-- sleeper( "main", 1)
-- the generator
local g = lanes.gen( "*", sleeper)
-- start a forever-waiting lane (nil timeout)
g( "forever")
-- start a lane that will last 2 seconds
g( "two_seconds", 2)
-- give a bit of time to reach the linda waiting call
wait( 0.1)
-- list the known lanes
track( "============= START")
-- wait until "two_seconds has completed"
wait(2.1)
track( "============= two_seconds dead")
-- this will collect the completed lane (and remove it from the tracking queue)
-- collectgarbage()
-- track( "============= two_seconds dead (after collectgarbage)")
-- start another lane that will last 2 seconds, with the same name
g( "two_seconds", 2)
-- give a bit of time to reach the linda waiting call
wait( 0.1)
-- list the known lanes
track( "============= ANOTHER")
print "done"
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