jdk8-mips64-public/hotspot: src/share/vm/runtime/handles.inline.hpp@f08d439fab8c

7089790: integrate bsd-port changes
Reviewed-by: kvn, twisti, jrose
Contributed-by: Kurt Miller <kurt@intricatesoftware.com>, Greg Lewis <glewis@eyesbeyond.com>, Jung-uk Kim <jkim@freebsd.org>, Christos Zoulas <christos@zoulas.com>, Landon Fuller <landonf@plausible.coop>, The FreeBSD Foundation <board@freebsdfoundation.org>, Michael Franz <mvfranz@gmail.com>, Roger Hoover <rhoover@apple.com>, Alexander Strange <astrange@apple.com>

     1 /*

     2  * Copyright (c) 1998, 2010, Oracle and/or its affiliates. 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 Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA

    20  * or visit www.oracle.com if you need additional information or have any

    21  * questions.

    22  *

    23  */

    25 #ifndef SHARE_VM_RUNTIME_HANDLES_INLINE_HPP

    26 #define SHARE_VM_RUNTIME_HANDLES_INLINE_HPP

    28 #include "runtime/handles.hpp"

    29 #ifdef TARGET_OS_FAMILY_linux

    30 # include "thread_linux.inline.hpp"

    31 #endif

    32 #ifdef TARGET_OS_FAMILY_solaris

    33 # include "thread_solaris.inline.hpp"

    34 #endif

    35 #ifdef TARGET_OS_FAMILY_windows

    36 # include "thread_windows.inline.hpp"

    37 #endif

    38 #ifdef TARGET_OS_FAMILY_bsd

    39 # include "thread_bsd.inline.hpp"

    40 #endif

    42 // these inline functions are in a separate file to break an include cycle

    43 // between Thread and Handle

    45 inline Handle::Handle(oop obj) {

    46   if (obj == NULL) {

    47     _handle = NULL;

    48   } else {

    49     _handle = Thread::current()->handle_area()->allocate_handle(obj);

    50   }

    51 }

    54 #ifndef ASSERT

    55 inline Handle::Handle(Thread* thread, oop obj) {

    56   assert(thread == Thread::current(), "sanity check");

    57   if (obj == NULL) {

    58     _handle = NULL;

    59   } else {

    60     _handle = thread->handle_area()->allocate_handle(obj);

    61   }

    62 }

    63 #endif // ASSERT

    66 inline HandleMark::HandleMark() {

    67   initialize(Thread::current());

    68 }

    71 inline void HandleMark::push() {

    72   // This is intentionally a NOP. pop_and_restore will reset

    73   // values to the HandleMark further down the stack, typically

    74   // in JavaCalls::call_helper.

    75   debug_only(_area->_handle_mark_nesting++);

    76 }

    78 inline void HandleMark::pop_and_restore() {

    79   HandleArea* area = _area;   // help compilers with poor alias analysis

    80   // Delete later chunks

    81   if( _chunk->next() ) {

    82     _chunk->next_chop();

    83   }

    84   // Roll back arena to saved top markers

    85   area->_chunk = _chunk;

    86   area->_hwm = _hwm;

    87   area->_max = _max;

    88   NOT_PRODUCT(area->set_size_in_bytes(_size_in_bytes);)

    89   debug_only(area->_handle_mark_nesting--);

    90 }

    92 #endif // SHARE_VM_RUNTIME_HANDLES_INLINE_HPP

Mercurial > jdk8-mips64-public > hotspot / file revision

src/share/vm/runtime/handles.inline.hpp@f08d439fab8c

src/share/vm/runtime/handles.inline.hpp