test_all_ractors_multi_ractor: WIP encoding

Author: luke-gruber

encoding.c

@@ -408,7 +408,11 @@ enc_from_index(struct enc_table *enc_table, int index)
 rb_encoding *
 rb_enc_from_index(int index)
 {
-    return enc_from_index(&global_enc_table, index);
+    rb_encoding *enc;
+    GLOBAL_ENC_TABLE_LOCKING(enc_table) {
+        enc = enc_from_index(enc_table, index);
+    }
+    return enc;
 }
 
 int
@@ -849,10 +853,7 @@ rb_enc_find_index(const char *name)
     }
     rb_encoding *enc;
 
-    if (i < 0) {
-        i = load_encoding(name);
-    }
-    else if (!(enc = rb_enc_from_index(i))) {
+    if (!(enc = rb_enc_from_index(i))) {
         if (i != UNSPECIFIED_ENCODING) {
             rb_raise(rb_eArgError, "encoding %s is not registered", name);
         }
@@ -1540,6 +1541,7 @@ rb_locale_encindex(void)
                 enc_alias_internal(enc_table, "locale", idx);
             }
         }
+        enc_alias_internal(enc_table, "locale", idx);
     }
 
     return idx;

transcode.c

@@ -19,6 +19,7 @@
 #include "internal/object.h"
 #include "internal/string.h"
 #include "internal/transcode.h"
+#include "vm_sync.h"
 #include "ruby/encoding.h"
 #include "vm_sync.h"