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(parent: 8312253) | patch
Add comment to explain why PGReserveSemaphores() is called early
authorHeikki Linnakangas <heikki.linnakangas@iki.fi>
Thu, 6 Nov 2025 10:50:10 +0000 (12:50 +0200)
committerHeikki Linnakangas <heikki.linnakangas@iki.fi>
Thu, 6 Nov 2025 12:20:58 +0000 (14:20 +0200)
commit75ec47c38bcf8777164cf91885eb907eb3fc369b
treed8f2ab54db4dab0f982c7bba135b2eab72970232tree | snapshot
parent83122538f2f0354970cd5209a90abc677f32384ecommit | diff
Add comment to explain why PGReserveSemaphores() is called early

Before commit e25626677f, PGReserveSemaphores() had to be called
before SpinlockSemaInit() because spinlocks were implemented using
semaphores on some platforms (--disable-spinlocks). Add a comment
explaining that.

Author: Ashutosh Bapat <ashutosh.bapat.oss@gmail.com>
Discussion: https://www.postgresql.org/message-id/CAExHW5seSZpPx-znjidVZNzdagGHOk06F+Ds88MpPUbxd1kTaA@mail.gmail.com
Backpatch-to: 18
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