src/hotspot/share/memory/resourceArea.cpp
changeset 47216 71c04702a3d5
parent 14583 d70ee55535f4
child 47600 5c8607bb3d2d
equal deleted inserted replaced
47215:4ebc2e2fb97c 47216:71c04702a3d5
       
     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  */
       
    24 
       
    25 #include "precompiled.hpp"
       
    26 #include "memory/allocation.inline.hpp"
       
    27 #include "memory/resourceArea.hpp"
       
    28 #include "runtime/mutexLocker.hpp"
       
    29 #include "runtime/thread.inline.hpp"
       
    30 
       
    31 //------------------------------ResourceMark-----------------------------------
       
    32 debug_only(int ResourceArea::_warned;)      // to suppress multiple warnings
       
    33 
       
    34 // The following routines are declared in allocation.hpp and used everywhere:
       
    35 
       
    36 // Allocation in thread-local resource area
       
    37 extern char* resource_allocate_bytes(size_t size, AllocFailType alloc_failmode) {
       
    38   return Thread::current()->resource_area()->allocate_bytes(size, alloc_failmode);
       
    39 }
       
    40 extern char* resource_allocate_bytes(Thread* thread, size_t size, AllocFailType alloc_failmode) {
       
    41   return thread->resource_area()->allocate_bytes(size, alloc_failmode);
       
    42 }
       
    43 
       
    44 extern char* resource_reallocate_bytes( char *old, size_t old_size, size_t new_size, AllocFailType alloc_failmode){
       
    45   return (char*)Thread::current()->resource_area()->Arealloc(old, old_size, new_size, alloc_failmode);
       
    46 }
       
    47 
       
    48 extern void resource_free_bytes( char *old, size_t size ) {
       
    49   Thread::current()->resource_area()->Afree(old, size);
       
    50 }
       
    51 
       
    52 #ifdef ASSERT
       
    53 ResourceMark::ResourceMark(Thread *thread) {
       
    54   assert(thread == Thread::current(), "not the current thread");
       
    55   initialize(thread);
       
    56 }
       
    57 
       
    58 DeoptResourceMark::DeoptResourceMark(Thread *thread) {
       
    59   assert(thread == Thread::current(), "not the current thread");
       
    60   initialize(thread);
       
    61 }
       
    62 #endif
       
    63 
       
    64 
       
    65 //-------------------------------------------------------------------------------
       
    66 // Non-product code
       
    67 #ifndef PRODUCT
       
    68 
       
    69 void ResourceMark::free_malloced_objects() {
       
    70   Arena::free_malloced_objects(_chunk, _hwm, _max, _area->_hwm);
       
    71 }
       
    72 
       
    73 void DeoptResourceMark::free_malloced_objects() {
       
    74   Arena::free_malloced_objects(_chunk, _hwm, _max, _area->_hwm);
       
    75 }
       
    76 
       
    77 #endif