Software / code / prosody
Changeset
13440:b27de3d2bad6
net.server_epoll: Support hooking signals via signalfd
Handling signal events the same way as all other events makes sense and
seems safer than the signal handling just jumping around in C and
messing with Lua states.
| author | Kim Alvefur <zash@zash.se> |
|---|---|
| date | Sat, 24 Feb 2024 00:20:35 +0100 |
| parents | 13439:1e229d710a3c |
| children | 13441:6d96b6eeee5a |
| files | net/server_epoll.lua |
| diffstat | 1 files changed, 15 insertions(+), 0 deletions(-) [+] |
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--- a/net/server_epoll.lua Sat Feb 24 00:05:29 2024 +0100 +++ b/net/server_epoll.lua Sat Feb 24 00:20:35 2024 +0100 @@ -29,6 +29,7 @@ local xpcall = require "prosody.util.xpcall".xpcall; local sslconfig = require "prosody.util.sslconfig"; local tls_impl = require "prosody.net.tls_luasec"; +local have_signal, signal = pcall(require, "prosody.util.signal"); local poller = require "prosody.util.poll" local EEXIST = poller.EEXIST; @@ -1143,6 +1144,19 @@ return quitting; end +local hook_signal; +if have_signal and signal.signalfd then + local function dispatch(self) + return self:on("signal", signal.signalfd_read(self:getfd())); + end + + function hook_signal(signum, cb) + local watch = watchfd(signal.signalfd(signum), dispatch); + watch.listeners = { onsignal = cb }; + return watch; + end +end + return { get_backend = function () return "epoll"; end; addserver = addserver; @@ -1168,6 +1182,7 @@ set_config = function (newconfig) cfg = setmetatable(newconfig, default_config); end; + hook_signal = hook_signal; tls_builder = function(basedir) return sslconfig._new(tls_impl.new_context, basedir)
