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diff src/share/vm/gc_implementation/parallelScavenge/psMarkSweep.cpp @ 10287:12f651e29f6b

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6843347: Boundary values in some public GC options cause crashes Summary: Setting some public integer options to specific values causes crashes or undefined GC behavior. This patchset adds the necessary argument checking for these options. Reviewed-by: jmasa, brutisso
author tschatzl
date Wed, 15 May 2013 11:05:09 +0200
parents 2f50bc369470
children eba99d16dc6f
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--- a/src/share/vm/gc_implementation/parallelScavenge/psMarkSweep.cpp	Tue May 14 17:08:31 2013 +0200
+++ b/src/share/vm/gc_implementation/parallelScavenge/psMarkSweep.cpp	Wed May 15 11:05:09 2013 +0200
@@ -92,8 +92,8 @@
   const bool clear_all_soft_refs =
     heap->collector_policy()->should_clear_all_soft_refs();
 
-  int count = (maximum_heap_compaction)?1:MarkSweepAlwaysCompactCount;
-  IntFlagSetting flag_setting(MarkSweepAlwaysCompactCount, count);
+  uint count = maximum_heap_compaction ? 1 : MarkSweepAlwaysCompactCount;
+  UIntFlagSetting flag_setting(MarkSweepAlwaysCompactCount, count);
   PSMarkSweep::invoke_no_policy(clear_all_soft_refs || maximum_heap_compaction);
 }