Software /
code /
prosody
File
util/gc.lua @ 11886:b0b258e092da
mod_admin_shell: Optionally group session listings by host when not included as column
Similar to the earlier view
author | Kim Alvefur <zash@zash.se> |
---|---|
date | Wed, 10 Nov 2021 15:54:27 +0100 |
parent | 11431:4874b54af344 |
child | 12975:d10957394a3c |
line wrap: on
line source
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; };