Fix WakeupWaiters() to not wake up an exclusive locker unnecessarily. WakeupWaiters() is supposed to wake up all LW_WAIT_UNTIL_FREE waiters of the slot, but the loop incorrectly also woke up the first LW_EXCLUSIVE waiter, if there was no LW_WAIT_UNTIL_FREE waiters in the queue.
Noted by Andres Freund. This code is new in 9.4, so no backpatching. Branch ------ master Details ------- http://git.postgresql.org/pg/commitdiff/d699ba41349e4ef397222a7223606fa03f4c4870 Modified Files -------------- src/backend/access/transam/xlog.c | 9 +++++---- 1 file changed, 5 insertions(+), 4 deletions(-) -- Sent via pgsql-committers mailing list ([email protected]) To make changes to your subscription: http://www.postgresql.org/mailpref/pgsql-committers
