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Re: SpinLockAcquire question - Mailing list pgsql-hackers

From Tom Lane
Subject Re: SpinLockAcquire question
Date
Msg-id 27877.1271774759@sss.pgh.pa.us
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In response to SpinLockAcquire question  (Boszormenyi Zoltan <zb@cybertec.at>)
List pgsql-hackers
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Boszormenyi Zoltan <zb@cybertec.at> writes:
> is there a danger in using SpinLockAcquire() in
> a signal handler?

Yes.  Actually, pretty much anything beyond setting a "volatile" flag
variable is too dangerous.
        regards, tom lane

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