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Re: psql screen size

From: Tom Lane <tgl(at)sss(dot)pgh(dot)pa(dot)us>
To: Gregory Stark <stark(at)enterprisedb(dot)com>
Cc: Alvaro Herrera <alvherre(at)commandprompt(dot)com>, wstrzalka <wstrzalka(at)gmail(dot)com>, pgsql-general(at)postgresql(dot)org
Subject: Re: psql screen size
Date: 2008-10-30 23:00:49
Message-ID: (view raw, whole thread or download thread mbox)
Lists: pgsql-general
Gregory Stark <stark(at)enterprisedb(dot)com> writes:
> Alvaro Herrera <alvherre(at)commandprompt(dot)com> writes:
>> I can confirm that when the pager is open, psql does not resize
>> properly.  Maybe psql is ignoring signals while the pager is open, or
>> something.

> Hm, system() is documented to ignore SIGINT and SIGQUIT I wonder if it's
> (erroneously?) ignoring SIGWINCH as well.

So far as I can see, psql itself doesn't cache screen dimension info
anyplace --- it does an ioctl(TIOCGWINSZ) every time it wants the
numbers.  So if there is a problem here, it's not our bug; must be
readline's fault.

			regards, tom lane

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