kingluo commented on code in PR #9909:
URL: https://github.com/apache/apisix/pull/9909#discussion_r1275673613
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apisix/core/config_etcd.lua:
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@@ -188,9 +190,43 @@ local function run_watch(premature)
::watch_event::
while true do
- local res, err = res_func()
- if log_level >= NGX_INFO then
- log.info("res_func: ", inspect(res))
+ local res
+ local sema, err = semaphore.new()
+ if not sema then
+ log.error("create sema failed", err)
+ goto watch_event
+ end
+
+ local get_res_th = ngx_thread_spawn(function ()
+ res, err = res_func()
+ if log_level >= NGX_INFO then
+ log.info("res_func: ", inspect(res))
+ end
+ sema:post()
+ end)
+
+ local check_worker_th = ngx_thread_spawn(function ()
+ while not exiting() do
+ ngx_sleep(0.1)
+ end
+ sema:post()
+ end)
+
+ local _, sem_err = sema:wait(opts.timeout + 10)
Review Comment:
Could we use ngx.thread.wait instead of sema?
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