Avoid bogus TwoPhaseState locking sequences The optimized code in 728bd991c3c4 contains a few invalid locking sequences. To wit, the original code would try to acquire an lwlock that it already holds. Avoid this by moving lock acquisitions to higher-level code, and install appropriate assertions in low-level that the correct mode is held.
Authors: Michael Paquier, Álvaro Herrera Reported-By: chuanting wang Bug: #14680 Discussion: https://postgr.es/m/20170531033228.1487.10...@wrigleys.postgresql.org Branch ------ master Details ------- https://git.postgresql.org/pg/commitdiff/e90ceeaa495f5f40f224bcf84d2b0700eae8d7a3 Modified Files -------------- src/backend/access/transam/twophase.c | 87 +++++++++++++++++++---------------- src/backend/access/transam/xact.c | 68 ++++++++++++++------------- 2 files changed, 83 insertions(+), 72 deletions(-) -- Sent via pgsql-committers mailing list (pgsql-committers@postgresql.org) To make changes to your subscription: http://www.postgresql.org/mailpref/pgsql-committers