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(parent: 150e245) | patch
Add comment to explain why PGReserveSemaphores() is called early
authorHeikki Linnakangas <[email protected]>
Thu, 6 Nov 2025 10:50:10 +0000 (12:50 +0200)
committerHeikki Linnakangas <[email protected]>
Thu, 6 Nov 2025 12:20:48 +0000 (14:20 +0200)
commitdaf3d99d2b8bebb3361163a11ef3d232002127c9
tree386d35c84e32bef55dbaa67bf5aeb5d13ecbb917tree
parent150e24501bc218057a7b9a24b19a145fa8b5c678commit | 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 <[email protected]>
Discussion: https://www.postgresql.org/message-id/CAExHW5seSZpPx-znjidVZNzdagGHOk06F+Ds88MpPUbxd1kTaA@mail.gmail.com
Backpatch-to: 18
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