annotate plugins/muc/config_form_sections.lib.lua @ 12201:e5e0ab93d7f4 0.11

util.xml: Break reference to help the GC (fix #1711) LuaExpat uses a registry reference to track handlers, which makes it so that an upvalue like this creates a reference loop that keeps the parser and its handlers from being garbage collected. The same issue has affected util.xmppstream in the past. Code for checking: local xml_parse = require"util.xml".parse; for i = 1, 10000 do xml_parse("<root/>") end collectgarbage(); collectgarbage(); print(collectgarbage("count"), "KiB"); A future release of LuaExpat may fix the underlying issue there.
author Kim Alvefur <zash@zash.se>
date Thu, 20 Jan 2022 09:57:20 +0100
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children
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1 module:hook("muc-config-form", function(event)
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2 table.insert(event.form, {
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3 type = "fixed";
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4 value = "Room information";
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5 });
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6 end, 100);
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7
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8 module:hook("muc-config-form", function(event)
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9 table.insert(event.form, {
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10 type = "fixed";
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11 value = "Access to the room";
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12 });
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13 end, 90);
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14
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15 module:hook("muc-config-form", function(event)
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16 table.insert(event.form, {
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17 type = "fixed";
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18 value = "Permissions in the room";
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19 });
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20 end, 80);
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21
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22 module:hook("muc-config-form", function(event)
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23 table.insert(event.form, {
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24 type = "fixed";
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25 value = "Other options";
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26 });
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27 end, 70);