jdk8-mips64-public/hotspot: src/share/vm/gc_implementation/g1/g1CollectedHeap.inline.hpp@37f87013dfd8 (annotated)

src/share/vm/gc_implementation/g1/g1CollectedHeap.inline.hpp@37f87013dfd8 (annotated)

src/share/vm/gc_implementation/g1/g1CollectedHeap.inline.hpp

Thu, 05 Jun 2008 15:57:56 -0700

author: ysr
date: Thu, 05 Jun 2008 15:57:56 -0700
changeset 777: 37f87013dfd8
child 961: 818efdefcc99
permissions: -rw-r--r--

6711316: Open source the Garbage-First garbage collector
Summary: First mercurial integration of the code for the Garbage-First garbage collector.
Reviewed-by: apetrusenko, iveresov, jmasa, sgoldman, tonyp, ysr

 /*
  * Copyright 2001-2007 Sun Microsystems, Inc.  All Rights Reserved.
  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
  *
  * This code is free software; you can redistribute it and/or modify it
  * under the terms of the GNU General Public License version 2 only, as
  * published by the Free Software Foundation.
  *
  * This code is distributed in the hope that it will be useful, but WITHOUT
  * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
  * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
  * version 2 for more details (a copy is included in the LICENSE file that
  * accompanied this code).
  *
  * You should have received a copy of the GNU General Public License version
  * 2 along with this work; if not, write to the Free Software Foundation,
  * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
  *
  * Please contact Sun Microsystems, Inc., 4150 Network Circle, Santa Clara,
  * CA 95054 USA or visit www.sun.com if you need additional information or
  * have any questions.
  *
  */
 // Inline functions for G1CollectedHeap
 inline HeapRegion*
 G1CollectedHeap::heap_region_containing(const void* addr) const {
   HeapRegion* hr = _hrs->addr_to_region(addr);
   // hr can be null if addr in perm_gen
   if (hr != NULL && hr->continuesHumongous()) {
     hr = hr->humongous_start_region();
   }
   return hr;
 }
 inline HeapRegion*
 G1CollectedHeap::heap_region_containing_raw(const void* addr) const {
   HeapRegion* res = _hrs->addr_to_region(addr);
   assert(res != NULL, "addr outside of heap?");
   return res;
 }
 inline bool G1CollectedHeap::obj_in_cs(oop obj) {
   HeapRegion* r = _hrs->addr_to_region(obj);
   return r != NULL && r->in_collection_set();
 }
 inline HeapWord* G1CollectedHeap::attempt_allocation(size_t word_size,
                                               bool permit_collection_pause) {
   HeapWord* res = NULL;
   assert( SafepointSynchronize::is_at_safepoint() ||
           Heap_lock->owned_by_self(), "pre-condition of the call" );
   if (_cur_alloc_region != NULL) {
     // If this allocation causes a region to become non empty,
     // then we need to update our free_regions count.
     if (_cur_alloc_region->is_empty()) {
       res = _cur_alloc_region->allocate(word_size);
       if (res != NULL)
         _free_regions--;
     } else {
       res = _cur_alloc_region->allocate(word_size);
     }
   }
   if (res != NULL) {
     if (!SafepointSynchronize::is_at_safepoint()) {
       assert( Heap_lock->owned_by_self(), "invariant" );
       Heap_lock->unlock();
     }
     return res;
   }
   // attempt_allocation_slow will also unlock the heap lock when appropriate.
   return attempt_allocation_slow(word_size, permit_collection_pause);
 }
 inline RefToScanQueue* G1CollectedHeap::task_queue(int i) {
   return _task_queues->queue(i);
 }
 inline  bool G1CollectedHeap::isMarkedPrev(oop obj) const {
   return _cm->prevMarkBitMap()->isMarked((HeapWord *)obj);
 }
 inline bool G1CollectedHeap::isMarkedNext(oop obj) const {
   return _cm->nextMarkBitMap()->isMarked((HeapWord *)obj);
 }

Mercurial > jdk8-mips64-public > hotspot / annotate

src/share/vm/gc_implementation/g1/g1CollectedHeap.inline.hpp@37f87013dfd8 (annotated)

src/share/vm/gc_implementation/g1/g1CollectedHeap.inline.hpp