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comparison src/share/vm/gc_interface/collectedHeap.hpp @ 4708:3c648b9ad052

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7121373: Clean up CollectedHeap::is_in Summary: Fixed G1CollectedHeap::is_in, added tests, cleaned up comments and made Space::is_in pure virtual. Reviewed-by: brutisso, tonyp, jcoomes
author stefank
date Wed, 14 Dec 2011 12:15:26 +0100
parents 53074c2c4600
children 441e946dc1af
comparison
equal deleted inserted replaced
4132:6d7d0790074d 4708:3c648b9ad052
215 215
216 bool is_in_reserved_or_null(const void* p) const { 216 bool is_in_reserved_or_null(const void* p) const {
217 return p == NULL || is_in_reserved(p); 217 return p == NULL || is_in_reserved(p);
218 } 218 }
219 219
220 // Returns "TRUE" if "p" points to the head of an allocated object in the 220 // Returns "TRUE" iff "p" points into the committed areas of the heap.
221 // heap. Since this method can be expensive in general, we restrict its 221 // Since this method can be expensive in general, we restrict its
222 // use to assertion checking only. 222 // use to assertion checking only.
223 virtual bool is_in(const void* p) const = 0; 223 virtual bool is_in(const void* p) const = 0;
224 224
225 bool is_in_or_null(const void* p) const { 225 bool is_in_or_null(const void* p) const {
226 return p == NULL || is_in(p); 226 return p == NULL || is_in(p);
646 // the actual number of GC worker threads is not pertinent but 646 // the actual number of GC worker threads is not pertinent but
647 // only whether there more than 0. Use of this method helps 647 // only whether there more than 0. Use of this method helps
648 // reduce the occurrence of ParallelGCThreads to uses where the 648 // reduce the occurrence of ParallelGCThreads to uses where the
649 // actual number may be germane. 649 // actual number may be germane.
650 static bool use_parallel_gc_threads() { return ParallelGCThreads > 0; } 650 static bool use_parallel_gc_threads() { return ParallelGCThreads > 0; }
651
652 /////////////// Unit tests ///////////////
653
654 NOT_PRODUCT(static void test_is_in();)
651 }; 655 };
652 656
653 // Class to set and reset the GC cause for a CollectedHeap. 657 // Class to set and reset the GC cause for a CollectedHeap.
654 658
655 class GCCauseSetter : StackObj { 659 class GCCauseSetter : StackObj {