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pgsql: spinlock emulation: Fix bug when more than INT_MAX spinlocks are - Mailing list pgsql-committers

From Andres Freund
Subject pgsql: spinlock emulation: Fix bug when more than INT_MAX spinlocks are
Date
Msg-id E1jleN1-0005Lb-LQ@gemulon.postgresql.org
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spinlock emulation: Fix bug when more than INT_MAX spinlocks are initialized.

Once the counter goes negative we ended up with spinlocks that errored
out on first use (due to check in tas_sema).

Author: Andres Freund
Reviewed-By: Robert Haas
Discussion: https://postgr.es/m/20200606023103.avzrctgv7476xj7i@alap3.anarazel.de
Backpatch: 9.5-

Branch
------
master

Details
-------
https://git.postgresql.org/pg/commitdiff/4d4ca24efe8ebda9547337f47dcb61d3163be765

Modified Files
--------------
src/backend/storage/lmgr/spin.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)

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