Fix multi-ractor tests after rebase

Author: luke-gruber

ext/-test-/io_buffer/io_buffer.c

@@ -92,6 +92,9 @@ io_buffer_for_writing_modify_string(VALUE self, VALUE string)
 void
 Init_io_buffer(void)
 {
+#ifdef HAVE_RB_EXT_RACTOR_SAFE
+    rb_ext_ractor_safe(true);
+#endif
     VALUE mBug = rb_define_module("Bug");
     VALUE mIOBuffer = rb_define_module_under(mBug, "IOBuffer");
 

ext/-test-/regexp/new.c

@@ -10,5 +10,8 @@ reg_new_binary(VALUE self, VALUE src)
 void
 Init_new(VALUE klass)
 {
+#ifdef HAVE_RB_EXT_RACTOR_SAFE
+    rb_ext_ractor_safe(true);
+#endif
     rb_define_singleton_method(klass, "new_binary", reg_new_binary, 1);
 }

test/.excludes-ractor/TestFileExhaustive.rb

@@ -10,5 +10,6 @@
 exclude(:test_flock_exclusive, "subprocess")
 exclude(:test_flock_shared, "subprocess")
 exclude(:test_stat_dotted_prefix_ractor_unsafe, "Dir.chdir")
+exclude(:test_symlink_to_relative_directory, "Dir.chdir")
 exclude(:test_utime_ractor_unsafe, "Dir.chdir")
 exclude(:test_umask, "global side effects")

test/.excludes-ractor/TestProc.rb

@@ -0,0 +1,2 @@
+exclude(:test_refined_memo_avoids_recopy, "GC.disable")
+exclude(:test_refined_once_regexp, "FIXME: once option not working correctly under Ractors")

test/.excludes-ractor/TestProcess.rb

@@ -14,12 +14,14 @@
 exclude(:test_popen_fork, "fork")
 exclude(:test_popen_fork_ensure, "fork")
 exclude(:test_execopts_env_popen, "ENV changes")
+exclude(:test_execopts_redirect_pipe, "expects closed fd to not be reused")
 exclude(:test_execopts_unsetenv_others, "ENV changes")
 exclude(:test_process_detach, "fork")
 exclude(:test_seteuid_name, "unsafe Etc method")
 exclude(:test_signals_work_after_exec_fail, "fork")
 exclude(:test_threading_works_after_exec_fail, "fork")
 exclude(:test_to_hash_on_arguments, "separate processes")
 exclude(:test_waitall, "global side effects")
+exclude(:test_wait_and_sigchild, "global side effects")
 exclude(:test_uid_from_name_ractor_unsafe, "Etc.getpwuid")
 exclude(:test_gid_from_name_ractor_unsafe, "Etc.getgrgid")

test/.excludes-ractor/TestRegexp.rb

@@ -1,2 +1,3 @@
 exclude(:test_getter, "gvars")
 exclude(:test_ignorecase, "gvars")
+exclude(:test_once_multithread, "FIXME: not working correctly in Ractors")

test/.excludes-ractor/TestVariable.rb

@@ -2,6 +2,8 @@
 exclude(:test_cloned_classes_copy_cvar_cache, "cvars")
 exclude(:test_cvar_overtaken_by_module, "cvars")
 exclude(:test_cvar_overtaken_by_parent_class, "cvars")
+exclude(:test_cvar_cache_invalidated_by_parent_class_variable_set, "cvars")
+exclude(:test_cvar_cache_invalidated_by_module_class_variable_set, "cvars")
 exclude(:test_global_variable_popped, "gvars")
 exclude(:test_global_variables, "gvars")
 exclude(:test_include_refined_module_class_variable, "cvars")

test/.excludes-ractor/TestWeakmap.rb

@@ -0,0 +1,2 @@
+# FIXME: when ractor-local GC (rlgc) lands, see if it's fixed.
+exclude(:test_compaction, "GC.compact crashes")

test/ruby/test_syntax.rb

@@ -627,7 +627,7 @@ def test_cmd_symbol_singleton_class
   def test_cmd_symbol_superclass
     bug6347 = '[ruby-dev:45563]'
     @not_label = Object
-    assert_not_label(:foo, 'class Foo < not_label:foo; end', bug6347)
+    assert_not_label(:foo, "class Foo#{self.class}#{Ractor.current.object_id} < not_label:foo; end", bug6347)
   end
 
   def test_no_label_with_percent
@@ -2091,7 +2091,7 @@ def foo(*args) = super
     assert_equal(1, b.new.foo(1), bug21256)
   end
 
-  BUG_21669 = '[Bug #21669]'
+  BUG_21669 = '[Bug #21669]'.freeze
 
   def test_value_expr_in_block
     assert_syntax_error("#{<<~"{#"}\n#{<<~'};'}", /void value expression/, nil, "#{BUG_21669} 2.1")