/*

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 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.

 *

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 * published by the Free Software Foundation.

 *

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 * 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,

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#ifndef SHARE_VM_MEMORY_SPACE_INLINE_HPP

#define SHARE_VM_MEMORY_SPACE_INLINE_HPP

#include "gc_interface/collectedHeap.hpp"

#include "memory/space.hpp"

#include "memory/universe.hpp"

#include "runtime/safepoint.hpp"

inline HeapWord* Space::block_start(const void* p) {

  return block_start_const(p);

}

inline HeapWord* OffsetTableContigSpace::allocate(size_t size) {

  HeapWord* res = ContiguousSpace::allocate(size);

  if (res != NULL) {

    _offsets.alloc_block(res, size);

  }

  return res;

}

// Because of the requirement of keeping "_offsets" up to date with the

// allocations, we sequentialize these with a lock.  Therefore, best if

// this is used for larger LAB allocations only.

inline HeapWord* OffsetTableContigSpace::par_allocate(size_t size) {

  MutexLocker x(&_par_alloc_lock);

  // This ought to be just "allocate", because of the lock above, but that

  // ContiguousSpace::allocate asserts that either the allocating thread

  // holds the heap lock or it is the VM thread and we're at a safepoint.

  // The best I (dld) could figure was to put a field in ContiguousSpace

  // meaning "locking at safepoint taken care of", and set/reset that

  // here.  But this will do for now, especially in light of the comment

  // above.  Perhaps in the future some lock-free manner of keeping the

  // coordination.

  HeapWord* res = ContiguousSpace::par_allocate(size);

  if (res != NULL) {

    _offsets.alloc_block(res, size);

  }

  return res;

}

inline HeapWord*

OffsetTableContigSpace::block_start_const(const void* p) const {

  return _offsets.block_start(p);

}

#endif // SHARE_VM_MEMORY_SPACE_INLINE_HPP