Software / code / prosody
Annotate
net/resolvers/manual.lua @ 13439:1e229d710a3c
util.signal: Add support for signalfd(2) on Linux
signalfd allows handling signal events using the same method as sockets,
via file descriptors. Thus all signal dispatch can go through the same
main event loop as everything else, removing need for thread-scary
signal handling where execution would just jump to the signal handler
regardless of the state of Lua, and needing to keep track of Lua
states/threads.
| author | Kim Alvefur <zash@zash.se> |
|---|---|
| date | Sat, 24 Feb 2024 00:05:29 +0100 (16 months ago) |
| parent | 12589:39ae08180c81 |
| rev | line source |
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1 local methods = {}; |
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2 local resolver_mt = { __index = methods }; |
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compat: Remove handling of Lua 5.1 location of 'unpack' function
Kim Alvefur <zash@zash.se>
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3 local unpack = table.unpack; |
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4 |
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5 -- Find the next target to connect to, and |
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6 -- pass it to cb() |
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7 function methods:next(cb) |
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8 if #self.targets == 0 then |
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9 cb(nil); |
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10 return; |
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11 end |
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12 local next_target = table.remove(self.targets, 1); |
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13 cb(unpack(next_target, 1, 4)); |
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14 end |
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15 |
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16 local function new(targets, conn_type, extra) |
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17 return setmetatable({ |
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18 conn_type = conn_type; |
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19 extra = extra; |
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20 targets = targets or {}; |
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21 }, resolver_mt); |
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22 end |
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23 |
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24 return { |
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25 new = new; |
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26 }; |
