prosody
cd8516a77255
util/gc.lua

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util/gc.lua @ 11305:cd8516a77255

util.startup: Make installer_plugin_path relative to data directory Having it relative to current working directory is problematic since this depends on how Prosody was started and changes to the data directory during startup (but after this point).
author Kim Alvefur <zash@zash.se>
date Sun, 24 Jan 2021 16:12:53 +0100
parent 10935:2d57c49bfa12
child 11431:4874b54af344
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
rev   line source
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1 local set = require "util.set";
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2
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3 local known_options = {
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4 incremental = set.new { "mode", "threshold", "speed", "step_size" };
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5 generational = set.new { "mode", "minor_threshold", "major_threshold" };
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6 };
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7
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8 if _VERSION ~= "5.4" then
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9 known_options.generational = nil;
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10 known_options.incremental:remove("step_size");
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11 end
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12
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13 local function configure(user, defaults)
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14 local mode = user.mode or defaults.mode or "incremental";
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15 if not known_options[mode] then
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16 return nil, "GC mode not supported on ".._VERSION..": "..mode;
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17 end
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18
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19 for k, v in pairs(user) do
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20 if not known_options[mode]:contains(k) then
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21 return nil, "Unknown GC parameter: "..k;
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22 elseif k ~= "mode" and type(v) ~= "number" then
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23 return nil, "parameter '"..k.."' should be a number";
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24 end
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25 end
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26
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27 if mode == "incremental" then
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28 if _VERSION == "Lua 5.4" then
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29 collectgarbage(mode,
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30 user.threshold or defaults.threshold,
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31 user.speed or defaults.speed,
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32 user.step_size or defaults.step_size
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33 );
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34 else
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35 collectgarbage("setpause", user.threshold or defaults.threshold);
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36 collectgarbage("setstepmul", user.speed or defaults.speed);
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37 end
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38 elseif mode == "generational" then
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39 collectgarbage(mode,
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40 user.minor_threshold or defaults.minor_threshold,
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41 user.major_threshold or defaults.major_threshold
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42 );
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43 end
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44 return true;
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45 end
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46
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47 return {
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48 configure = configure;
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49 };