Software /
code /
prosody
File
util/gc.lua @ 11936:3f49c35607ca
mod_smacks: Fix timer lifetimes to follow session instead of module
module:add_timer() creates a timer that stops working after the module
is reloaded or unloaded, in order to prevent leaks. However, when the
timers control vital session behavior, breakage occurs after reload.
E.g. sessions would stop requesting acks and stop responding to acks.
author | Kim Alvefur <zash@zash.se> |
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date | Wed, 24 Nov 2021 21:27:45 +0100 |
parent | 11431:4874b54af344 |
child | 12975:d10957394a3c |
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local set = require "util.set"; local known_options = { incremental = set.new { "mode", "threshold", "speed", "step_size" }; generational = set.new { "mode", "minor_threshold", "major_threshold" }; }; if _VERSION ~= "Lua 5.4" then known_options.generational = nil; known_options.incremental:remove("step_size"); end local function configure(user, defaults) local mode = user.mode or defaults.mode or "incremental"; if not known_options[mode] then return nil, "GC mode not supported on ".._VERSION..": "..mode; end for k, v in pairs(user) do if not known_options[mode]:contains(k) then return nil, "Unknown GC parameter: "..k; elseif k ~= "mode" and type(v) ~= "number" then return nil, "parameter '"..k.."' should be a number"; end end if mode == "incremental" then if _VERSION == "Lua 5.4" then collectgarbage(mode, user.threshold or defaults.threshold, user.speed or defaults.speed, user.step_size or defaults.step_size ); else collectgarbage("setpause", user.threshold or defaults.threshold); collectgarbage("setstepmul", user.speed or defaults.speed); end elseif mode == "generational" then collectgarbage(mode, user.minor_threshold or defaults.minor_threshold, user.major_threshold or defaults.major_threshold ); end return true; end return { configure = configure; };