pgsql: Restore psql's SIGPIPE setting if popen() fails.

From: Tom Lane <tgl(at)sss(dot)pgh(dot)pa(dot)us>
To: pgsql-committers(at)postgresql(dot)org
Subject: pgsql: Restore psql's SIGPIPE setting if popen() fails.
Date: 2016-12-07 17:39:46
Message-ID: E1cEgC2-0000XP-K7@gemulon.postgresql.org
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Restore psql's SIGPIPE setting if popen() fails.

Ancient oversight in PageOutput(): if popen() fails, we'd better reset
the SIGPIPE handler before returning stdout, because ClosePager() won't.
Noticed while fixing the empty-PAGER issue.

Branch
------
REL9_2_STABLE

Details
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http://git.postgresql.org/pg/commitdiff/311bc147ff0924b651f36910925a163c4f3b4a6c

Modified Files
--------------
src/bin/psql/print.c | 4 ++++
1 file changed, 4 insertions(+)

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