Mercurial > hg > truffle

diff src/share/vm/runtime/thread.hpp @ 806:821269eca479

Find changesets by keywords (author, files, the commit message), revision number or hash, or revset expression.
6820167: GCALotAtAllSafepoints + FullGCALot(ScavengeALot) options crash JVM Summary: Short-circuit gc-a-lot attempts by non-JavaThreads; SkipGCALot c'tor to elide re-entrant gc-a-lot attempts. Reviewed-by: apetrusenko, jcoomes, jmasa, kamg
author ysr
date Thu, 11 Jun 2009 12:40:00 -0700
parents b9fba36710f2
children bd02caa94611
line wrap: on
line diff
--- a/src/share/vm/runtime/thread.hpp	Wed Jun 10 14:57:21 2009 -0700
+++ b/src/share/vm/runtime/thread.hpp	Thu Jun 11 12:40:00 2009 -0700
@@ -191,6 +191,9 @@
   NOT_PRODUCT(int _allow_safepoint_count;)       // If 0, thread allow a safepoint to happen
   debug_only (int _allow_allocation_count;)      // If 0, the thread is allowed to allocate oops.
 
+  // Used by SkipGCALot class.
+  NOT_PRODUCT(bool _skip_gcalot;)                // Should we elide gc-a-lot?
+
   // Record when GC is locked out via the GC_locker mechanism
   CHECK_UNHANDLED_OOPS_ONLY(int _gc_locked_out_count;)
 
@@ -308,6 +311,11 @@
   bool is_gc_locked_out() { return _gc_locked_out_count > 0; }
 #endif // CHECK_UNHANDLED_OOPS
 
+#ifndef PRODUCT
+  bool skip_gcalot()           { return _skip_gcalot; }
+  void set_skip_gcalot(bool v) { _skip_gcalot = v;    }
+#endif
+
  public:
   // Installs a pending exception to be inserted later
   static void send_async_exception(oop thread_oop, oop java_throwable);