jdk8-mips64-public/hotspot: src/share/vm/memory/space.inline.hpp@d1605aabd0a1

6719955: Update copyright year
Summary: Update copyright year for files that have been modified in 2008
Reviewed-by: ohair, tbell

     1 /*

     2  * Copyright 2000-2006 Sun Microsystems, Inc.  All Rights Reserved.

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

     4  *

     5  * This code is free software; you can redistribute it and/or modify it

     6  * under the terms of the GNU General Public License version 2 only, as

     7  * published by the Free Software Foundation.

     8  *

     9  * This code is distributed in the hope that it will be useful, but WITHOUT

    10  * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or

    11  * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License

    12  * version 2 for more details (a copy is included in the LICENSE file that

    13  * accompanied this code).

    14  *

    15  * You should have received a copy of the GNU General Public License version

    16  * 2 along with this work; if not, write to the Free Software Foundation,

    17  * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.

    18  *

    19  * Please contact Sun Microsystems, Inc., 4150 Network Circle, Santa Clara,

    20  * CA 95054 USA or visit www.sun.com if you need additional information or

    21  * have any questions.

    22  *

    23  */

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

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

    27   if (res != NULL) {

    28     _offsets.alloc_block(res, size);

    29   }

    30   return res;

    31 }

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

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

    35 // this is used for larger LAB allocations only.

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

    37   MutexLocker x(&_par_alloc_lock);

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

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

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

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

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

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

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

    45   // coordination.

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

    47   if (res != NULL) {

    48     _offsets.alloc_block(res, size);

    49   }

    50   return res;

    51 }

    53 inline HeapWord* OffsetTableContigSpace::block_start(const void* p) const {

    54   return _offsets.block_start(p);

    55 }

    57 inline HeapWord* ContiguousSpace::concurrent_iteration_safe_limit()

    58 {

    59   assert(_concurrent_iteration_safe_limit <= top(),

    60          "_concurrent_iteration_safe_limit update missed");

    61   return _concurrent_iteration_safe_limit;

    62 }

    64 inline void ContiguousSpace::set_concurrent_iteration_safe_limit(HeapWord* new_limit)

    65 {

    66   assert(new_limit <= top(), "uninitialized objects in the safe range");

    67   _concurrent_iteration_safe_limit = new_limit;

    68 }

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