From 017249b828880073140a3e4cc13858804b4418de Mon Sep 17 00:00:00 2001
From: Thomas Munro <tmunro@postgresql.org>
Date: Thu, 13 Nov 2025 22:56:08 +1300
Subject: [PATCH] Add some missing #include <limits.h>.

These files relied on transitive inclusion via port/atomics.h for
constants CHAR_BIT and INT_MAX.

Reviewed-by: Heikki Linnakangas <hlinnaka@iki.fi>
Discussion: https://postgr.es/m/536409d2-c9df-4ef3-808d-1ffc3182868c@iki.fi
---
 src/backend/access/brin/brin_bloom.c          | 1 +
 src/backend/lib/dshash.c                      | 2 ++
 src/backend/storage/lmgr/condition_variable.c | 2 ++
 3 files changed, 5 insertions(+)

diff --git a/src/backend/access/brin/brin_bloom.c b/src/backend/access/brin/brin_bloom.c
index d6da3abc8de..64dbb7b8532 100644
--- a/src/backend/access/brin/brin_bloom.c
+++ b/src/backend/access/brin/brin_bloom.c
@@ -114,6 +114,7 @@
  */
 #include "postgres.h"
 
+#include <limits.h>
 #include <math.h>
 
 #include "access/brin.h"
diff --git a/src/backend/lib/dshash.c b/src/backend/lib/dshash.c
index b8d031f2015..e1ba367cf17 100644
--- a/src/backend/lib/dshash.c
+++ b/src/backend/lib/dshash.c
@@ -31,6 +31,8 @@
 
 #include "postgres.h"
 
+#include <limits.h>
+
 #include "common/hashfn.h"
 #include "lib/dshash.h"
 #include "storage/lwlock.h"
diff --git a/src/backend/storage/lmgr/condition_variable.c b/src/backend/storage/lmgr/condition_variable.c
index 228303e77f7..59abc080ed2 100644
--- a/src/backend/storage/lmgr/condition_variable.c
+++ b/src/backend/storage/lmgr/condition_variable.c
@@ -18,6 +18,8 @@
 
 #include "postgres.h"
 
+#include <limits.h>
+
 #include "miscadmin.h"
 #include "portability/instr_time.h"
 #include "storage/condition_variable.h"