On 2013-12-13 10:30:48 -0500, Tom Lane wrote:
> Andres Freund <and...@2ndquadrant.com> writes:
> > On 2013-12-13 09:52:06 -0500, Tom Lane wrote:
> >> I think you're probably right:
> >> what should be in the interrupt handler is something like
> >> "if (ImmediateInterruptOK) CHECK_FOR_INTERRUPTS();"
> 
> > Yea, that sounds right. Or just don't set process interrupts there, it
> > doesn't seem to be required for correctness?
> 
> It is if we need to break out of a wait-for-lock ...

Right, that uses MyProc->sem and not MyProc->procLatch...

Greetings,

Andres Freund

-- 
 Andres Freund                     http://www.2ndQuadrant.com/
 PostgreSQL Development, 24x7 Support, Training & Services


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