Re: psql use of 'volatile'

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От Bruce Momjian
Тема Re: psql use of 'volatile'
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Msg-id 200006291637.MAA06306@candle.pha.pa.us
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Ответ на psql use of 'volatile'  (Bruce Momjian <pgman@candle.pha.pa.us>)
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[ Charset ISO-8859-1 unsupported, converting... ]
> On Thu, 29 Jun 2000, Bruce Momjian wrote:
> 
> > Can someone explain why 'volatile' is used in psql/mainloop.c?
> 
> If you remove them then you get tons of warnings about variables possibly
> getting clobbered. The reason is the longjmp business that's going on when
> you press Control-C. (The fact that the variables would get clobbered is
> not critical since they're reinitialized immediately anyway, but who am I
> to argue with the compiler.)

Agreed.


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