diff options
| author | Thomas Munro <tmunro@postgresql.org> | 2024-07-30 21:45:01 +1200 |
|---|---|---|
| committer | Thomas Munro <tmunro@postgresql.org> | 2024-07-30 22:58:37 +1200 |
| commit | e25626677f8076eb3ce94586136c5464ee154381 (patch) | |
| tree | f03f87af97b998e2dd5aadcfe8a93a83a1ae716b /src/backend/port/posix_sema.c | |
| parent | 1330843bb78e9d2422af2f2b9909b80732bd6fc0 (diff) | |
Remove --disable-spinlocks.
A later change will require atomic support, so it wouldn't make sense
for a hypothetical new system not to be able to implement spinlocks.
Reviewed-by: Heikki Linnakangas <hlinnaka@iki.fi>
Reviewed-by: Tom Lane <tgl@sss.pgh.pa.us> (concept, not the patch)
Reviewed-by: Andres Freund <andres@anarazel.de> (concept, not the patch)
Discussion: https://postgr.es/m/3351991.1697728588%40sss.pgh.pa.us
Diffstat (limited to 'src/backend/port/posix_sema.c')
| -rw-r--r-- | src/backend/port/posix_sema.c | 3 |
1 files changed, 1 insertions, 2 deletions
diff --git a/src/backend/port/posix_sema.c b/src/backend/port/posix_sema.c index 5886d2233f5..64186ec0a7e 100644 --- a/src/backend/port/posix_sema.c +++ b/src/backend/port/posix_sema.c @@ -217,8 +217,7 @@ PGReserveSemaphores(int maxSemas) /* * We must use ShmemAllocUnlocked(), since the spinlock protecting - * ShmemAlloc() won't be ready yet. (This ordering is necessary when we - * are emulating spinlocks with semaphores.) + * ShmemAlloc() won't be ready yet. */ sharedSemas = (PGSemaphore) ShmemAllocUnlocked(PGSemaphoreShmemSize(maxSemas)); |