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Tom Lane 96d2df840b Fix VM buffer pin management in heap_lock_updated_tuple_rec(). 
Sloppy coding in this function could lead to leaking a VM buffer pin,
or to attempting to free the same pin twice.  Repair.  While at it,
reduce the code's tendency to free and reacquire the same page pin.

Back-patch to 9.6; before that, this routine did not concern itself
with VM pages.

Amit Kapila and Tom Lane

Discussion: https://postgr.es/m/CAA4eK1KJKwhc=isgTQHjM76CAdVswzNeAuZkh_cx-6QgGkSEgA@mail.gmail.com
2018-03-02 17:40:48 -05:00
..
backend Fix VM buffer pin management in heap_lock_updated_tuple_rec(). 2018-03-02 17:40:48 -05:00
bin Empty search_path in Autovacuum and non-psql/pgbench clients. 2018-02-26 07:39:48 -08:00
common pgindent run for 9.6 2016-06-09 18:02:36 -04:00
fe_utils Empty search_path in Autovacuum and non-psql/pgbench clients. 2018-02-26 07:39:48 -08:00
include Fix up ecpg's configuration so it handles "long long int" in MSVC builds. 2018-02-27 16:46:52 -05:00
interfaces Stamp 9.6.8. 2018-02-26 17:13:40 -05:00
makefiles Always use -fPIC, not -fpic, when building shared libraries with gcc. 2017-06-01 13:32:56 -04:00
pl Translation updates 2018-02-26 08:32:14 -05:00
port Stamp 9.6.8. 2018-02-26 17:13:40 -05:00
template Remove some remains from Alpha support removal 2015-10-29 16:40:14 -04:00
test Remove restriction on SQL block length in isolationtester scanner. 2018-02-28 16:57:37 -05:00
timezone Update time zone data files to tzdata release 2018c. 2018-01-27 16:42:44 -05:00
tools Fix up ecpg's configuration so it handles "long long int" in MSVC builds. 2018-02-27 16:46:52 -05:00
tutorial Update copyright for 2016 2016-01-02 13:33:40 -05:00
.gitignore Convert cvsignore to gitignore, and add .gitignore for build targets. 2010-09-22 12:57:04 +02:00
bcc32.mak Autoconfiscate selection of 64-bit int type for 64-bit large object API. 2012-10-07 21:52:43 -04:00
DEVELOPERS Replace a couple of references to files that no longer exist in the source 2009-05-04 08:08:47 +00:00
Makefile Install TAP test infrastructure so it's available for extension testing. 2016-09-23 15:50:00 -04:00
Makefile.global.in PL/Perl portability fix: absorb relevant -D switches from Perl. 2017-07-31 12:38:35 -04:00
Makefile.shlib Fix typos in comments. 2017-02-06 11:34:15 +02:00
nls-global.mk nls-global.mk: search build dir for source files, too 2016-06-07 18:55:18 -04:00
win32.mak Autoconfiscate selection of 64-bit int type for 64-bit large object API. 2012-10-07 21:52:43 -04:00