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(parent: 4eb4b3f) | patch
Fix hard to hit race condition in heapam's tuple locking code.
authorAndres Freund <andres@anarazel.de>
Fri, 5 Aug 2016 03:07:16 +0000 (20:07 -0700)
committerAndres Freund <andres@anarazel.de>
Fri, 5 Aug 2016 03:07:16 +0000 (20:07 -0700)
commite7caacf733f3ee77a555aa715ab6fbf4434e6b52
treeb3d6dd865e059192bb0153a85d2b0a05e6377f96tree | snapshot
parent4eb4b3f24561cb115b24984c755b2a75155afedfcommit | diff
Fix hard to hit race condition in heapam's tuple locking code.

As mentioned in its commit message, eca0f1db left open a race condition,
where a page could be marked all-visible, after the code checked
PageIsAllVisible() to pin the VM, but before the page is locked.  Plug
that hole.

Reviewed-By: Robert Haas, Andres Freund
Author: Amit Kapila
Discussion: CAEepm=3fWAbWryVW9swHyLTY4sXVf0xbLvXqOwUoDiNCx9mBjQ@mail.gmail.com
Backpatch: -
src/backend/access/heap/heapam.c diff | blob | history
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