nari	2011-08-09 13:26:15 +0900 (Tue, 09 Aug 2011)

  New Revision: 32894

  http://svn.ruby-lang.org/cgi-bin/viewvc.cgi?view=rev&revision=32894

  Log:
    * gc.c (gc_lazy_sweep): if sweep target slots are not found, we
      try heap_increment() because it might be able to expand the
      heap. [Bug #5127] [ruby-dev:44285]
    
    * gc.c (gc_clear_mark_on_sweep_slots): if a sweeping was
      interrupted, we expand the heap if at all possible.

  Modified files:
    trunk/ChangeLog
    trunk/gc.c

Index: ChangeLog
===================================================================
--- ChangeLog	(revision 32893)
+++ ChangeLog	(revision 32894)
@@ -1,3 +1,12 @@
+Tue Aug  9 11:21:08 2011  Narihiro Nakamura  <authornari@g...>
+
+	* gc.c (gc_lazy_sweep): if sweep target slots are not found, we
+	  try heap_increment() because it might be able to expand the
+	  heap. [Bug #5127] [ruby-dev:44285]
+
+	* gc.c (gc_clear_mark_on_sweep_slots): if a sweeping was
+	  interrupted, we expand the heap if at all possible.
+
 Tue Aug  9 12:20:33 2011  Naohisa Goto  <ngotogenome@g...>
 
 	* test/fiddle/helper.rb (libc_so, libm_so): Solaris support added.
Index: gc.c
===================================================================
--- gc.c	(revision 32893)
+++ gc.c	(revision 32894)
@@ -2172,6 +2172,12 @@
         }
         after_gc_sweep(objspace);
     }
+    else {
+        if (heaps_increment(objspace)) {
+            during_gc = 0;
+            return TRUE;
+        }
+    }
 
     gc_marks(objspace);
 
@@ -2417,6 +2423,7 @@
     RVALUE *p, *pend;
 
     if (objspace->heap.sweep_slots) {
+        while (heaps_increment(objspace));
         while (objspace->heap.sweep_slots) {
             scan = objspace->heap.sweep_slots;
             p = scan->slot; pend = p + scan->limit;

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