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comparison net/server_epoll.lua @ 10992:df3ee12acd8c

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net.server_epoll: Add setting for turning off callback protections Might improve (CPU) performance at the risk of triggering top level errors.
author Kim Alvefur <zash@zash.se>
date Tue, 30 Jun 2020 18:31:48 +0200
parents aa85cb5b859f
children 05fefde93036
comparison
equal deleted inserted replaced
10991:aa85cb5b859f 10992:df3ee12acd8c
72 72
73 -- EXPERIMENTAL 73 -- EXPERIMENTAL
74 -- Whether to kill connections in case of callback errors. 74 -- Whether to kill connections in case of callback errors.
75 fatal_errors = false; 75 fatal_errors = false;
76 76
77 -- Or disable protection (like server_select) for potential performance gains
78 protect_listeners = true;
79
77 -- Attempt writes instantly 80 -- Attempt writes instantly
78 opportunistic_writes = false; 81 opportunistic_writes = false;
79 }}; 82 }};
80 local cfg = default_config.__index; 83 local cfg = default_config.__index;
81 84
189 end 192 end
190 local listener = self.listeners["on"..what]; 193 local listener = self.listeners["on"..what];
191 if not listener then 194 if not listener then
192 self:noise("Missing listener 'on%s'", what); -- uncomment for development and debugging 195 self:noise("Missing listener 'on%s'", what); -- uncomment for development and debugging
193 return; 196 return;
197 end
198 if not cfg.protect_listeners then
199 return listener(self, ...);
194 end 200 end
195 local onerror = self.listeners.onerror or traceback; 201 local onerror = self.listeners.onerror or traceback;
196 local ok, err = xpcall(listener, onerror, self, ...); 202 local ok, err = xpcall(listener, onerror, self, ...);
197 if not ok then 203 if not ok then
198 if cfg.fatal_errors then 204 if cfg.fatal_errors then