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Make sure KindlePowerD's __gc metamethod will actually be called

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* Via the newproxy hack.
This commit is contained in:
NiLuJe
2020-12-09 00:16:43 +01:00
parent e2dd68bd13
commit c0981a55d9
1 changed files with 7 additions and 1 deletions
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8
frontend/device/kindle/powerd.lua
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@@ -125,13 +125,19 @@ function KindlePowerD:isChargingHW()
return is_charging == 1
end
function KindlePowerD:__gc()
local KindlePowerD_mt = {}
function KindlePowerD_mt:__gc()
if self.lipc_handle then
self.lipc_handle:close()
self.lipc_handle = nil
end
end
-- Funky ass newproxy() workaround to make __gc work on a plain table in Lua 5.1/LuaJIT
-- c.f., https://github.com/katlogic/__gc
local setmetatable = require("ffi/__gc")
setmetatable(KindlePowerD, KindlePowerD_mt)
function KindlePowerD:_readFLIntensity()
return self:read_int_file(self.fl_intensity_file)
end