* gc.c: We have no chance to expand the heap when lazy sweeping is

  restricted. So collecting is often invoked if there is not
  enough free space in the heap. Try to expand heap when this is
  the case.

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@39900 b2dd03c8-39d4-4d8f-98ff-823fe69b080e

2 files changed, 15 insertions, 2 deletions

diff --git a/ChangeLog b/ChangeLog
index f5c2759daa..08f7ac2c64 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,3 +1,10 @@
+Sun Mar 24 12:55:47 2013  Narihiro Nakamura  <authornari@gmail.com>
+
+	* gc.c: We have no chance to expand the heap when lazy sweeping is
+	  restricted. So collecting is often invoked if there is not
+	  enough free space in the heap. Try to expand heap when this is
+	  the case.
+
 Sun Mar 24 11:03:31 2013  Tanaka Akira  <akr@fsij.org>
 
 	* test/ruby/test_require.rb: Remove temporally files in the tests.
diff --git a/gc.c b/gc.c
index 635e3ecadf..38bdcfd04b 100644
--- a/gc.c
+++ b/gc.c
@@ -2043,8 +2043,14 @@ gc_prepare_free_objects(rb_objspace_t *objspace)
 {
     int res;
 
-    if (objspace->flags.dont_lazy_sweep)
-        return garbage_collect(objspace);
+    if (objspace->flags.dont_lazy_sweep) {
+	if (heaps_increment(objspace)) {
+	    return;
+	}
+	else {
+	    return garbage_collect(objspace);
+	}
+    }
 
 
     if (!ready_to_gc(objspace)) return TRUE;