iw7-mod/deps/lua/testes/tracegc.lua

41 lines
680 B
Lua
Raw Normal View History

2024-08-13 05:15:34 -04:00
-- track collections
local M = {}
-- import list
local setmetatable, stderr, collectgarbage =
setmetatable, io.stderr, collectgarbage
_ENV = nil
local active = false
-- each time a table is collected, remark it for finalization on next
-- cycle
local mt = {}
function mt.__gc (o)
stderr:write'.' -- mark progress
if active then
setmetatable(o, mt) -- remark object for finalization
end
end
function M.start ()
if not active then
active = true
setmetatable({}, mt) -- create initial object
end
end
function M.stop ()
if active then
active = false
collectgarbage() -- call finalizer for the last time
end
end
return M