bitset.cpp

/*
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 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
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 * 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
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 *
 * 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.
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#include "precompiled.hpp"
#include "jfr/leakprofiler/chains/bitset.inline.hpp"

BitSet::BitMapFragment::BitMapFragment(uintptr_t granule, BitMapFragment* next) :
    _bits(_bitmap_granularity_size >> LogMinObjAlignmentInBytes, mtTracing, true /* clear */),
    _next(next) {
}

BitSet::BitMapFragmentTable::~BitMapFragmentTable() {
  for (int index = 0; index < table_size(); index ++) {
    Entry* e = bucket(index);
    while (e != nullptr) {
      Entry* tmp = e;
      e = e->next();
      free_entry(tmp);
    }
  }
}

BitSet::BitSet() :
    _bitmap_fragments(32),
    _fragment_list(NULL),
    _last_fragment_bits(NULL),
    _last_fragment_granule(UINTPTR_MAX) {
}

BitSet::~BitSet() {
  BitMapFragment* current = _fragment_list;
  while (current != NULL) {
    BitMapFragment* next = current->next();
    delete current;
    current = next;
  }
}