From 9959052cbfd47bece6739dc5d7696accdfc15e57 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Johan=20Sj=C3=B6l=C3=A9n?= <johan.sjolen@oracle.com>
Date: Mon, 16 Dec 2024 14:36:00 +0100
Subject: [PATCH] Const

---
 src/hotspot/share/logging/circularStringBuffer.hpp | 4 ++--
 src/hotspot/share/logging/logAsyncWriter.cpp       | 2 +-
 2 files changed, 3 insertions(+), 3 deletions(-)

diff --git a/src/hotspot/share/logging/circularStringBuffer.hpp b/src/hotspot/share/logging/circularStringBuffer.hpp
index b96cbb88de267..d1dc93a54efeb 100644
--- a/src/hotspot/share/logging/circularStringBuffer.hpp
+++ b/src/hotspot/share/logging/circularStringBuffer.hpp
@@ -106,13 +106,13 @@ class CircularStringBuffer {
         decorations(None) {
     }
 
-    bool is_token() {
+    bool is_token() const {
       return output == nullptr;
     }
   };
 
   struct StalledMessage {
-    Message msg;
+    const Message msg;
     const char* string;
     StalledMessage(Message& msg, const char* string)
     : msg(msg), string(string) {}
diff --git a/src/hotspot/share/logging/logAsyncWriter.cpp b/src/hotspot/share/logging/logAsyncWriter.cpp
index 419c23003f52c..af4df4f04cf1d 100644
--- a/src/hotspot/share/logging/logAsyncWriter.cpp
+++ b/src/hotspot/share/logging/logAsyncWriter.cpp
@@ -105,7 +105,7 @@ bool AsyncLogWriter::write(char* write_buffer, size_t write_buffer_size) {
   if (stalling_enabled) {
     {
       CircularStringBuffer::StallingLocker lock(&_circular_buffer);
-      CircularStringBuffer::StalledMessage* mptr = _circular_buffer.stalled_message();
+      const CircularStringBuffer::StalledMessage* mptr = _circular_buffer.stalled_message();
       if (mptr != nullptr) {
         const char* str = mptr->string;
         assert(!mptr->msg.is_token(), "must");