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util/adhoc.lua @ 11694:d6be4dda1f60
net.server_epoll: Set minimum wait time to 1ms, matching epoll
A timeout value less than 0.001 gets turned into zero on the C side, so
epoll_wait() returns instantly and essentially busy-loops up to 1ms,
e.g. when a timer event ends up scheduled (0, 0.001)ms into the future.
Unsure if this has much effect in practice, but it may waste a small
amount of CPU time. How much would depend on how often this ends up
happening and how fast the CPU gets trough main loop iterations.
author | Kim Alvefur <zash@zash.se> |
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date | Thu, 15 Jul 2021 01:38:44 +0200 |
parent | 11352:e10567199f02 |
rev | line source |
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1 -- luacheck: ignore 212/self |
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2 |
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3 local function new_simple_form(form, result_handler) |
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4 return function(self, data, state) |
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5 if state or data.form then |
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6 if data.action == "cancel" then |
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7 return { status = "canceled" }; |
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8 end |
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9 local fields, err = form:data(data.form); |
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10 return result_handler(fields, err, data); |
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11 else |
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12 return { status = "executing", actions = {"next", "complete", default = "complete"}, form = form }, "executing"; |
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13 end |
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14 end |
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15 end |
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16 |
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17 local function new_initial_data_form(form, initial_data, result_handler) |
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18 return function(self, data, state) |
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19 if state or data.form then |
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20 if data.action == "cancel" then |
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21 return { status = "canceled" }; |
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22 end |
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23 local fields, err = form:data(data.form); |
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24 return result_handler(fields, err, data); |
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25 else |
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26 local values, err = initial_data(data); |
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27 if type(err) == "table" then |
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28 return {status = "error"; error = err} |
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29 elseif type(err) == "string" then |
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30 return {status = "error"; error = {type = "cancel"; condition = "internal-server-error", err}} |
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31 end |
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32 return { status = "executing", actions = {"next", "complete", default = "complete"}, |
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33 form = { layout = form, values = values } }, "executing"; |
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34 end |
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35 end |
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36 end |
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37 |
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38 return { new_simple_form = new_simple_form, |
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39 new_initial_data_form = new_initial_data_form }; |