Re: [PATCH] lock_timeout and common SIGALRM framework - Mailing list pgsql-hackers

From Tom Lane
Subject Re: [PATCH] lock_timeout and common SIGALRM framework
Date
Msg-id 26368.1342216305@sss.pgh.pa.us
Whole thread Raw
In response to Re: [PATCH] lock_timeout and common SIGALRM framework  (Boszormenyi Zoltan <zb@cybertec.at>)
Responses Re: [PATCH] lock_timeout and common SIGALRM framework  (Boszormenyi Zoltan <zb@cybertec.at>)
List pgsql-hackers
Boszormenyi Zoltan <zb@cybertec.at> writes:
> While doing it, I discovered another bug you introduced.
> enable_timeout_after(..., 0); would set an alarm instead of ignoring it.
> Try SET deadlock_timeout = 0;

Hm.  I don't think it's a bug for enable_timeout_after(..., 0) to cause
a timeout ... but we'll have to change the calling code.  Thanks for
catching that.

> Same for enable_timeout_at(..., fin_time): if fin_time points to the past,
> it enables a huge timeout

No, it should cause an immediate interrupt, or at least after 1
microsecond.  Look at TimestampDifference.
        regards, tom lane


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