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(parent: fd49d53) | patch
spinlock emulation: Fix bug when more than INT_MAX spinlocks are initialized.
authorAndres Freund <andres@anarazel.de>
Mon, 8 Jun 2020 22:25:49 +0000 (15:25 -0700)
committerAndres Freund <andres@anarazel.de>
Wed, 17 Jun 2020 19:50:54 +0000 (12:50 -0700)
commit4d4ca24efe8ebda9547337f47dcb61d3163be765
tree17121b6f45921655c6cce22694733a4a9db40f50tree
parentfd49d53807575e009f7b66771d48c9356344d7d1commit | diff
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-
src/backend/storage/lmgr/spin.c diff | blob | blame | history
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