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util/watchdog.lua @ 12590:5eaf77114fdb
compat: Use table.pack (there since Lua 5.2) over our util.table
Added in d278a770eddc avoid having to deal with its absence in Lua 5.1.
No longer needed when Lua 5.1 support is dropped.
author | Kim Alvefur <zash@zash.se> |
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date | Mon, 11 Jul 2022 19:15:24 +0200 |
parent | 12547:e79c64b2dfed |
child | 12975:d10957394a3c |
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local timer = require "util.timer"; local setmetatable = setmetatable; local _ENV = nil; -- luacheck: std none local watchdog_methods = {}; local watchdog_mt = { __index = watchdog_methods }; local function new(timeout, callback) local watchdog = setmetatable({ timeout = timeout; callback = callback; timer_id = nil; }, watchdog_mt); watchdog:reset(); -- Kick things off return watchdog; end function watchdog_methods:reset(new_timeout) if new_timeout then self.timeout = new_timeout; end if self.timer_id then timer.reschedule(self.timer_id, self.timeout+1); else self.timer_id = timer.add_task(self.timeout+1, function () return self:callback(); end); end end function watchdog_methods:cancel() if self.timer_id then timer.stop(self.timer_id); self.timer_id = nil; end end return { new = new; };