Re: Terminate the idle sessions

From: Li Japin <japinli(at)hotmail(dot)com>
To: "kuroda(dot)hayato(at)fujitsu(dot)com" <kuroda(dot)hayato(at)fujitsu(dot)com>
Cc: "David G(dot) Johnston" <david(dot)g(dot)johnston(at)gmail(dot)com>, Kyotaro Horiguchi <horikyota(dot)ntt(at)gmail(dot)com>, Thomas Munro <thomas(dot)munro(at)gmail(dot)com>, "bharath(dot)rupireddyforpostgres(at)gmail(dot)com" <bharath(dot)rupireddyforpostgres(at)gmail(dot)com>, "pgsql-hackers(at)lists(dot)postgresql(dot)org" <pgsql-hackers(at)lists(dot)postgresql(dot)org>
Subject: Re: Terminate the idle sessions
Date: 2020-11-18 06:57:13
Message-ID: 2B9BB40C-DDEA-4CDB-B37E-C2738E739416@hotmail.com
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On Nov 18, 2020, at 2:22 PM, kuroda(dot)hayato(at)fujitsu(dot)com<mailto:kuroda(dot)hayato(at)fujitsu(dot)com> wrote:

Oops.. I forgot putting my suggestion. Sorry.
How about substituting sigalrm_delivered to true in the reschedule_timeouts()?
Maybe this processing looks strange, so some comments should be put too.
Here is an example:

```diff
@@ -423,7 +423,14 @@ reschedule_timeouts(void)

/* Reschedule the interrupt, if any timeouts remain active. */
if (num_active_timeouts > 0)
+ {
+ /*
+ * sigalrm_delivered is set to true,
+ * because any intrreputions might be occured.
+ */
+ sigalrm_delivered = true;
schedule_alarm(GetCurrentTimestamp());
+ }
}
```

Thanks for your suggestion. Attached!

--
Best regards
Japin Li

Attachment Content-Type Size
v7-0001-Allow-terminating-the-idle-sessions.patch application/octet-stream 10.1 KB
v7-0002-Optimize-setitimer-usage.patch application/octet-stream 4.1 KB

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