https://git.ruby-lang.org/ruby.git/commit/?id=52d42e7023

From 52d42e702375446746164a0251e1a10bce813b78 Mon Sep 17 00:00:00 2001
From: Peter Zhu <peter@p...>
Date: Tue, 14 Jun 2022 14:37:21 -0400
Subject: Rename GC_COMPACTION_SUPPORTED

Naming this macro GC_COMPACTION_SUPPORTED is misleading because it
only checks whether compaction is supported at compile time.

[Bug #18829]
---
 gc.c | 28 ++++++++++++++--------------
 1 file changed, 14 insertions(+), 14 deletions(-)

diff --git a/gc.c b/gc.c
index 106f7bb2b3..0f1c801613 100644
--- a/gc.c
+++ b/gc.c
@@ -5184,15 +5184,15 @@ gc_unprotect_pages(rb_objspace_t *objspace, rb_heap_t *heap) https://github.com/ruby/ruby/blob/trunk/gc.c#L5184
 static void gc_update_references(rb_objspace_t * objspace);
 static void invalidate_moved_page(rb_objspace_t *objspace, struct heap_page *page);
 
-#ifndef GC_COMPACTION_SUPPORTED
+#ifndef GC_CAN_COMPILE_COMPACTION
 #if defined(__wasi__) /* WebAssembly doesn't support signals */
-# define GC_COMPACTION_SUPPORTED 0
+# define GC_CAN_COMPILE_COMPACTION 0
 #else
-# define GC_COMPACTION_SUPPORTED 1
+# define GC_CAN_COMPILE_COMPACTION 1
 #endif
 #endif
 
-#if GC_COMPACTION_SUPPORTED
+#if GC_CAN_COMPILE_COMPACTION
 static void
 read_barrier_handler(uintptr_t address)
 {
@@ -5215,7 +5215,7 @@ read_barrier_handler(uintptr_t address) https://github.com/ruby/ruby/blob/trunk/gc.c#L5215
 }
 #endif
 
-#if !GC_COMPACTION_SUPPORTED
+#if !GC_CAN_COMPILE_COMPACTION
 static void
 uninstall_handlers(void)
 {
@@ -9575,7 +9575,7 @@ gc_start_internal(rb_execution_context_t *ec, VALUE self, VALUE full_mark, VALUE https://github.com/ruby/ruby/blob/trunk/gc.c#L9575
         }
 #endif
 
-#if !GC_COMPACTION_SUPPORTED
+#if !GC_CAN_COMPILE_COMPACTION
         rb_raise(rb_eNotImpError, "Compaction isn't available on this platform");
 #endif
 
@@ -9742,7 +9742,7 @@ gc_move(rb_objspace_t *objspace, VALUE scan, VALUE free, size_t src_slot_size, s https://github.com/ruby/ruby/blob/trunk/gc.c#L9742
     return (VALUE)src;
 }
 
-#if GC_COMPACTION_SUPPORTED
+#if GC_CAN_COMPILE_COMPACTION
 static int
 compare_free_slots(const void *left, const void *right, void *dummy)
 {
@@ -10491,7 +10491,7 @@ gc_update_references(rb_objspace_t *objspace) https://github.com/ruby/ruby/blob/trunk/gc.c#L10491
     gc_update_table_refs(objspace, finalizer_table);
 }
 
-#if GC_COMPACTION_SUPPORTED
+#if GC_CAN_COMPILE_COMPACTION
 /*
  *  call-seq:
  *     GC.latest_compact_info -> {:considered=>{:T_CLASS=>11}, :moved=>{:T_CLASS=>11}}
@@ -10544,7 +10544,7 @@ gc_compact_stats(VALUE self) https://github.com/ruby/ruby/blob/trunk/gc.c#L10544
 #  define gc_compact_stats rb_f_notimplement
 #endif
 
-#if GC_COMPACTION_SUPPORTED
+#if GC_CAN_COMPILE_COMPACTION
 static void
 root_obj_check_moved_i(const char *category, VALUE obj, void *data)
 {
@@ -10623,7 +10623,7 @@ gc_compact(VALUE self) https://github.com/ruby/ruby/blob/trunk/gc.c#L10623
 #  define gc_compact rb_f_notimplement
 #endif
 
-#if GC_COMPACTION_SUPPORTED
+#if GC_CAN_COMPILE_COMPACTION
 static VALUE
 gc_verify_compaction_references(rb_execution_context_t *ec, VALUE self, VALUE double_heap, VALUE toward_empty)
 {
@@ -11250,7 +11250,7 @@ gc_disable(rb_execution_context_t *ec, VALUE _) https://github.com/ruby/ruby/blob/trunk/gc.c#L11250
     return rb_gc_disable();
 }
 
-#if GC_COMPACTION_SUPPORTED
+#if GC_CAN_COMPILE_COMPACTION
 /*
  *  call-seq:
  *     GC.auto_compact = flag
@@ -11279,7 +11279,7 @@ gc_set_auto_compact(VALUE _, VALUE v) https://github.com/ruby/ruby/blob/trunk/gc.c#L11279
 #  define gc_set_auto_compact rb_f_notimplement
 #endif
 
-#if GC_COMPACTION_SUPPORTED
+#if GC_CAN_COMPILE_COMPACTION
 /*
  *  call-seq:
  *     GC.auto_compact    -> true or false
@@ -14154,7 +14154,7 @@ Init_GC(void) https://github.com/ruby/ruby/blob/trunk/gc.c#L14154
     rb_define_singleton_method(rb_mGC, "auto_compact", gc_get_auto_compact, 0);
     rb_define_singleton_method(rb_mGC, "auto_compact=", gc_set_auto_compact, 1);
     rb_define_singleton_method(rb_mGC, "latest_compact_info", gc_compact_stats, 0);
-#if !GC_COMPACTION_SUPPORTED
+#if !GC_CAN_COMPILE_COMPACTION
     rb_define_singleton_method(rb_mGC, "verify_compaction_references", rb_f_notimplement, -1);
 #endif
 
@@ -14180,7 +14180,7 @@ Init_GC(void) https://github.com/ruby/ruby/blob/trunk/gc.c#L14180
 	OPT(MALLOC_ALLOCATED_SIZE);
 	OPT(MALLOC_ALLOCATED_SIZE_CHECK);
 	OPT(GC_PROFILE_DETAIL_MEMORY);
-	OPT(GC_COMPACTION_SUPPORTED);
+	OPT(GC_CAN_COMPILE_COMPACTION);
 #undef OPT
 	OBJ_FREEZE(opts);
     }
-- 
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