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net.server_epoll: Add setting for turning off callback protections

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Might improve (CPU) performance at the risk of triggering top level
errors.
This commit is contained in:
Kim Alvefur 2020-06-30 18:31:48 +02:00
parent 7acd39cdbe
commit 8b9da40260
1 changed files with 6 additions and 0 deletions
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6
net/server_epoll.lua
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@ -74,6 +74,9 @@ local default_config = { __index = {
-- Whether to kill connections in case of callback errors.
fatal_errors = false;
-- Or disable protection (like server_select) for potential performance gains
protect_listeners = true;
-- Attempt writes instantly
opportunistic_writes = false;
}};
@ -192,6 +195,9 @@ function interface:on(what, ...)
self:noise("Missing listener 'on%s'", what); -- uncomment for development and debugging
return;
end
if not cfg.protect_listeners then
return listener(self, ...);
end
local onerror = self.listeners.onerror or traceback;
local ok, err = xpcall(listener, onerror, self, ...);
if not ok then