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.

local xpcall = xpcall;

if select(2, xpcall(function (x) return x end, function () end,  "test")) ~= "test" then
	xpcall = require"prosody.util.compat".xpcall;
end

return {
	xpcall = xpcall;
};