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Re: postgres is not using tas - Mailing list pgsql-hackers

From Tom Lane
Subject Re: postgres is not using tas
Date
Msg-id 189.1016475558@sss.pgh.pa.us
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In response to Re: postgres is not using tas  ("Luis Alberto Amigo Navarro" <lamigo@atc.unican.es>)
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"Luis Alberto Amigo Navarro" <lamigo@atc.unican.es> writes:
> As i know, it's only using semop, even with TAS_AND_SET defined, this is an
> extract from postmaster's process registry

The fact that there are some semops in the strace doesn't prove
anything.  We do use semaphores when we have to block the current
process.
        regards, tom lane

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