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erlang
1163-Allow-to-refresh-resolver-settings-on-star...
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File 1163-Allow-to-refresh-resolver-settings-on-startup.patch of Package erlang
From 770c581cbe87706d2879025dfd3ea900933ed5e1 Mon Sep 17 00:00:00 2001 From: Michal Ptaszek <michal@ptaszek.net> Date: Thu, 28 Jan 2016 15:09:16 -0600 Subject: [PATCH 1/2] Allow to refresh resolver settings on startup After the VM time changes inet_db:times/0 instead of returning number of seconds since 1970, returns number of seconds since the VM start. As a result, if inet_res:lookup is called right after the system start, the condition for re-reading /etc/resolv.conf will not be met (time difference between last access: 0, and the value returned from inet_db:times/0 -> [0-5) is lower than 5 seconds) and no nameservers will be used. This patch allows /etc/resolv.conf to be read immediately after the system is started. --- lib/kernel/src/inet_db.erl | 3 ++- 1 file changed, 2 insertions(+), 1 deletion(-) diff --git a/lib/kernel/src/inet_db.erl b/lib/kernel/src/inet_db.erl index 108a803..7278ec4 100644 --- a/lib/kernel/src/inet_db.erl +++ b/lib/kernel/src/inet_db.erl @@ -514,7 +514,8 @@ res_update(Tag, TagTm, TagInfo, TagSetTm, SetFun) -> undefined -> ok; TM -> case times() of - Now when Now >= TM + ?RES_FILE_UPDATE_TM -> + Now when Now >= TM + ?RES_FILE_UPDATE_TM; + (TM =:= 0 andalso Now < ?RES_FILE_UPDATE_TM) -> case db_get(Tag) of undefined -> SetFun(""); -- 2.1.4
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