| From: | Thomas Munro <tmunro(at)postgresql(dot)org> |
|---|---|
| To: | pgsql-committers(at)lists(dot)postgresql(dot)org |
| Subject: | pgsql: Add BarrierArriveAndDetachExceptLast(). |
| Date: | 2020-11-19 05:14:56 |
| Message-ID: | E1kfcHY-0000uJ-MZ@gemulon.postgresql.org |
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| Thread: | |
| Lists: | pgsql-committers |
Add BarrierArriveAndDetachExceptLast().
Provide a way for one process to continue the remaining phases of a
(previously) parallel computation alone. Later patches will use this to
extend Parallel Hash Join.
Author: Melanie Plageman <melanieplageman(at)gmail(dot)com>
Reviewed-by: Thomas Munro <thomas(dot)munro(at)gmail(dot)com>
Discussion: https://postgr.es/m/CA%2BhUKG%2BA6ftXPz4oe92%2Bx8Er%2BxpGZqto70-Q_ERwRaSyA%3DafNg%40mail.gmail.com
Branch
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master
Details
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https://git.postgresql.org/pg/commitdiff/7888b0999488511e4266f2134053fa3a6505a155
Modified Files
--------------
src/backend/storage/ipc/barrier.c | 22 ++++++++++++++++++++++
src/include/storage/barrier.h | 1 +
2 files changed, 23 insertions(+)
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