From ec20f7feb64d9cd8989ada24315ac4af0bb4158c Mon Sep 17 00:00:00 2001
From: Nobuyoshi Nakada <nobu@ruby-lang.org>
Date: Sun, 22 Jun 2025 01:08:38 +0900
Subject: [PATCH] Suppress warnings

- `ractor_sync_terminate_atfork` is unused unless fork is working
- `cr` in `vm_lock_leave` is only for debugging
---
 ractor_sync.c | 2 ++
 vm_sync.c     | 2 +-
 2 files changed, 3 insertions(+), 1 deletion(-)

diff --git a/ractor_sync.c b/ractor_sync.c
index 30c386663c..124ffc139c 100644
--- a/ractor_sync.c
+++ b/ractor_sync.c
@@ -507,12 +507,14 @@ ractor_free_all_ports(rb_ractor_t *cr)
     }
 }
 
+#if defined(HAVE_WORKING_FORK)
 static void
 ractor_sync_terminate_atfork(rb_vm_t *vm, rb_ractor_t *r)
 {
     ractor_free_all_ports(r);
     r->sync.legacy = Qnil;
 }
+#endif
 
 // Ractor#monitor
 
diff --git a/vm_sync.c b/vm_sync.c
index bafb18b126..772a3239db 100644
--- a/vm_sync.c
+++ b/vm_sync.c
@@ -106,7 +106,7 @@ vm_lock_enter(rb_ractor_t *cr, rb_vm_t *vm, bool locked, bool no_barrier, unsign
 static void
 vm_lock_leave(rb_vm_t *vm, bool no_barrier, unsigned int *lev APPEND_LOCATION_ARGS)
 {
-    rb_ractor_t *cr = vm->ractor.sync.lock_owner;
+    MAYBE_UNUSED(rb_ractor_t *cr = vm->ractor.sync.lock_owner);
 
     RUBY_DEBUG_LOG2(file, line, "rec:%u owner:%u%s", vm->ractor.sync.lock_rec,
                     (unsigned int)rb_ractor_id(cr),