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util/xpcall.lua @ 10036:045209b41b3a 0.11
mod_pep: Handle presence based subscription outside of util.pubsub (fixes #1372)
Subscriptions were updated for each incoming presence stanza from
contacts. Each subscription change triggered a configuration save, which
would filter out the presence based subscriptions and usually end up
replacing the existing data with identical data. With many subscribed
nodes this adds up to a fair bit of IO bound work that is avoided by
keeping them separate.
author | Kim Alvefur <zash@zash.se> |
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date | Thu, 30 May 2019 15:16:56 +0200 |
parent | 9561:cfc7b2f7251e |
child | 12975:d10957394a3c |
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local xpcall = xpcall; if select(2, xpcall(function (x) return x end, function () end, "test")) ~= "test" then xpcall = require"util.compat".xpcall; end return { xpcall = xpcall; };