src/share/vm/memory/resourceArea.cpp

Sun, 01 Apr 2012 17:04:26 -0400

author
acorn
date
Sun, 01 Apr 2012 17:04:26 -0400
changeset 3686
749b1464aa81
parent 3156
f08d439fab8c
child 4183
7b5885dadbdc
permissions
-rw-r--r--

Merge

     1 /*
     2  * Copyright (c) 1997, 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 #include "precompiled.hpp"
    26 #include "memory/allocation.inline.hpp"
    27 #include "memory/resourceArea.hpp"
    28 #include "runtime/mutexLocker.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 //------------------------------ResourceMark-----------------------------------
    43 debug_only(int ResourceArea::_warned;)      // to suppress multiple warnings
    45 // The following routines are declared in allocation.hpp and used everywhere:
    47 // Allocation in thread-local resource area
    48 extern char* resource_allocate_bytes(size_t size) {
    49   return Thread::current()->resource_area()->allocate_bytes(size);
    50 }
    51 extern char* resource_allocate_bytes(Thread* thread, size_t size) {
    52   return thread->resource_area()->allocate_bytes(size);
    53 }
    55 extern char* resource_reallocate_bytes( char *old, size_t old_size, size_t new_size){
    56   return (char*)Thread::current()->resource_area()->Arealloc(old, old_size, new_size);
    57 }
    59 extern void resource_free_bytes( char *old, size_t size ) {
    60   Thread::current()->resource_area()->Afree(old, size);
    61 }
    63 #ifdef ASSERT
    64 ResourceMark::ResourceMark(Thread *thread) {
    65   assert(thread == Thread::current(), "not the current thread");
    66   initialize(thread);
    67 }
    69 DeoptResourceMark::DeoptResourceMark(Thread *thread) {
    70   assert(thread == Thread::current(), "not the current thread");
    71   initialize(thread);
    72 }
    73 #endif
    76 //-------------------------------------------------------------------------------
    77 // Non-product code
    78 #ifndef PRODUCT
    80 void ResourceMark::free_malloced_objects() {
    81   Arena::free_malloced_objects(_chunk, _hwm, _max, _area->_hwm);
    82 }
    84 void DeoptResourceMark::free_malloced_objects() {
    85   Arena::free_malloced_objects(_chunk, _hwm, _max, _area->_hwm);
    86 }
    88 #endif

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