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src/share/vm/memory/resourceArea.cpp@7ae4e26cb1e0 (annotated)

src/share/vm/memory/resourceArea.cpp

Thu, 12 Oct 2017 21:27:07 +0800

author

aoqi

date

Thu, 12 Oct 2017 21:27:07 +0800

changeset 7535

7ae4e26cb1e0

parent 6876

710a3c8b516e

child 9122

024be04bb151

permissions

-rw-r--r--

merge

aoqi@0	1	/*
aoqi@0	2	* Copyright (c) 1997, 2010, Oracle and/or its affiliates. All rights reserved.
aoqi@0	3	* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
aoqi@0	4	*
aoqi@0	5	* This code is free software; you can redistribute it and/or modify it
aoqi@0	6	* under the terms of the GNU General Public License version 2 only, as
aoqi@0	7	* published by the Free Software Foundation.
aoqi@0	8	*
aoqi@0	9	* This code is distributed in the hope that it will be useful, but WITHOUT
aoqi@0	10	* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
aoqi@0	11	* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
aoqi@0	12	* version 2 for more details (a copy is included in the LICENSE file that
aoqi@0	13	* accompanied this code).
aoqi@0	14	*
aoqi@0	15	* You should have received a copy of the GNU General Public License version
aoqi@0	16	* 2 along with this work; if not, write to the Free Software Foundation,
aoqi@0	17	* Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
aoqi@0	18	*
aoqi@0	19	* Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
aoqi@0	20	* or visit www.oracle.com if you need additional information or have any
aoqi@0	21	* questions.
aoqi@0	22	*
aoqi@0	23	*/
aoqi@0	24
aoqi@0	25	#include "precompiled.hpp"
aoqi@0	26	#include "memory/allocation.inline.hpp"
aoqi@0	27	#include "memory/resourceArea.hpp"
aoqi@0	28	#include "runtime/mutexLocker.hpp"
aoqi@0	29	#include "runtime/thread.inline.hpp"
aoqi@0	30
aoqi@0	31	//------------------------------ResourceMark-----------------------------------
aoqi@0	32	debug_only(int ResourceArea::_warned;) // to suppress multiple warnings
aoqi@0	33
aoqi@0	34	// The following routines are declared in allocation.hpp and used everywhere:
aoqi@0	35
aoqi@0	36	// Allocation in thread-local resource area
aoqi@0	37	extern char* resource_allocate_bytes(size_t size, AllocFailType alloc_failmode) {
aoqi@0	38	return Thread::current()->resource_area()->allocate_bytes(size, alloc_failmode);
aoqi@0	39	}
aoqi@0	40	extern char* resource_allocate_bytes(Thread* thread, size_t size, AllocFailType alloc_failmode) {
aoqi@0	41	return thread->resource_area()->allocate_bytes(size, alloc_failmode);
aoqi@0	42	}
aoqi@0	43
aoqi@0	44	extern char* resource_reallocate_bytes( char *old, size_t old_size, size_t new_size, AllocFailType alloc_failmode){
aoqi@0	45	return (char*)Thread::current()->resource_area()->Arealloc(old, old_size, new_size, alloc_failmode);
aoqi@0	46	}
aoqi@0	47
aoqi@0	48	extern void resource_free_bytes( char *old, size_t size ) {
aoqi@0	49	Thread::current()->resource_area()->Afree(old, size);
aoqi@0	50	}
aoqi@0	51
aoqi@0	52	#ifdef ASSERT
aoqi@0	53	ResourceMark::ResourceMark(Thread *thread) {
aoqi@0	54	assert(thread == Thread::current(), "not the current thread");
aoqi@0	55	initialize(thread);
aoqi@0	56	}
aoqi@0	57
aoqi@0	58	DeoptResourceMark::DeoptResourceMark(Thread *thread) {
aoqi@0	59	assert(thread == Thread::current(), "not the current thread");
aoqi@0	60	initialize(thread);
aoqi@0	61	}
aoqi@0	62	#endif
aoqi@0	63
aoqi@0	64
aoqi@0	65	//-------------------------------------------------------------------------------
aoqi@0	66	// Non-product code
aoqi@0	67	#ifndef PRODUCT
aoqi@0	68
aoqi@0	69	void ResourceMark::free_malloced_objects() {
aoqi@0	70	Arena::free_malloced_objects(_chunk, _hwm, _max, _area->_hwm);
aoqi@0	71	}
aoqi@0	72
aoqi@0	73	void DeoptResourceMark::free_malloced_objects() {
aoqi@0	74	Arena::free_malloced_objects(_chunk, _hwm, _max, _area->_hwm);
aoqi@0	75	}
aoqi@0	76
aoqi@0	77	#endif