Nobuyoshi Nakada	2019-04-24 12:52:57 +0900 (Wed, 24 Apr 2019)

  New Revision: f1a52d96a5

  https://git.ruby-lang.org/ruby.git/commit/?id=3Df1a52d96a5

  Log:
    Defer setting gc_stress until inits done
    =

    [Bug #15784]

  Modified files:
    gc.c
    inits.c
    test/ruby/test_gc.rb=
From f1a52d96a59c63d46cb23af60cdcaf38e30e0512 Mon Sep 17 00:00:00 2001
From: Nobuyoshi Nakada <nobu@r...>
Date: Wed, 24 Apr 2019 12:52:57 +0900
Subject: Defer setting gc_stress until inits done

[Bug #15784]

diff --git a/gc.c b/gc.c
index 8f59f19..a12854d 100644
--- a/gc.c
+++ b/gc.c
@@ -2571,6 +2571,8 @@ Init_heap(void) https://github.com/ruby/ruby/blob/trunk/#L2571
     objspace->id_to_obj_tbl = st_init_numtable();
     objspace->obj_to_id_tbl = st_init_numtable();
 
+    dont_gc = 1;
+
     gc_stress_set(objspace, ruby_initial_gc_stress);
 
 #if RGENGC_ESTIMATE_OLDMALLOC
@@ -2584,6 +2586,14 @@ Init_heap(void) https://github.com/ruby/ruby/blob/trunk/#L2586
     finalizer_table = st_init_numtable();
 }
 
+void
+Init_gc_stress(void)
+{
+    rb_objspace_t *objspace = &rb_objspace;
+
+    dont_gc = 0;
+}
+
 typedef int each_obj_callback(void *, void *, size_t, void *);
 
 struct each_obj_args {
diff --git a/inits.c b/inits.c
index f730903..ad34223 100644
--- a/inits.c
+++ b/inits.c
@@ -67,5 +67,6 @@ rb_call_inits(void) https://github.com/ruby/ruby/blob/trunk/#L67
     CALL(vm_trace);
     CALL(vm_stack_canary);
     CALL(ast);
+    CALL(gc_stress);
 }
 #undef CALL
diff --git a/test/ruby/test_gc.rb b/test/ruby/test_gc.rb
index 8f77f49..5dea1b2 100644
--- a/test/ruby/test_gc.rb
+++ b/test/ruby/test_gc.rb
@@ -384,6 +384,10 @@ class TestGc < Test::Unit::TestCase https://github.com/ruby/ruby/blob/trunk/#L384
     end;
   end
 
+  def test_gc_stress_at_startup
+    assert_in_out_err([{"RUBY_DEBUG"=>"gc_stress"}], '', [], [], '[Bug #15784]', success: true)
+  end
+
   def test_gc_disabled_start
     begin
       disabled = GC.disable
-- 
cgit v0.10.2


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