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

Wed, 06 Jul 2011 13:02:54 -0700

author
jcoomes
date
Wed, 06 Jul 2011 13:02:54 -0700
changeset 2997
bf6481e5f96d
parent 2314
f95d63e2154a
child 3156
f08d439fab8c
permissions
-rw-r--r--

7061225: os::print_cpu_info() should support os-specific data
Reviewed-by: dholmes, never, jwilhelm, kvn

duke@435 1 /*
stefank@2314 2 * Copyright (c) 1998, 2010, Oracle and/or its affiliates. All rights reserved.
duke@435 3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
duke@435 4 *
duke@435 5 * This code is free software; you can redistribute it and/or modify it
duke@435 6 * under the terms of the GNU General Public License version 2 only, as
duke@435 7 * published by the Free Software Foundation.
duke@435 8 *
duke@435 9 * This code is distributed in the hope that it will be useful, but WITHOUT
duke@435 10 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
duke@435 11 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
duke@435 12 * version 2 for more details (a copy is included in the LICENSE file that
duke@435 13 * accompanied this code).
duke@435 14 *
duke@435 15 * You should have received a copy of the GNU General Public License version
duke@435 16 * 2 along with this work; if not, write to the Free Software Foundation,
duke@435 17 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
duke@435 18 *
trims@1907 19 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
trims@1907 20 * or visit www.oracle.com if you need additional information or have any
trims@1907 21 * questions.
duke@435 22 *
duke@435 23 */
duke@435 24
stefank@2314 25 #ifndef SHARE_VM_RUNTIME_HANDLES_INLINE_HPP
stefank@2314 26 #define SHARE_VM_RUNTIME_HANDLES_INLINE_HPP
stefank@2314 27
stefank@2314 28 #include "runtime/handles.hpp"
stefank@2314 29 #ifdef TARGET_OS_FAMILY_linux
stefank@2314 30 # include "thread_linux.inline.hpp"
stefank@2314 31 #endif
stefank@2314 32 #ifdef TARGET_OS_FAMILY_solaris
stefank@2314 33 # include "thread_solaris.inline.hpp"
stefank@2314 34 #endif
stefank@2314 35 #ifdef TARGET_OS_FAMILY_windows
stefank@2314 36 # include "thread_windows.inline.hpp"
stefank@2314 37 #endif
stefank@2314 38
duke@435 39 // these inline functions are in a separate file to break an include cycle
duke@435 40 // between Thread and Handle
duke@435 41
duke@435 42 inline Handle::Handle(oop obj) {
duke@435 43 if (obj == NULL) {
duke@435 44 _handle = NULL;
duke@435 45 } else {
duke@435 46 _handle = Thread::current()->handle_area()->allocate_handle(obj);
duke@435 47 }
duke@435 48 }
duke@435 49
duke@435 50
duke@435 51 #ifndef ASSERT
duke@435 52 inline Handle::Handle(Thread* thread, oop obj) {
duke@435 53 assert(thread == Thread::current(), "sanity check");
duke@435 54 if (obj == NULL) {
duke@435 55 _handle = NULL;
duke@435 56 } else {
duke@435 57 _handle = thread->handle_area()->allocate_handle(obj);
duke@435 58 }
duke@435 59 }
duke@435 60 #endif // ASSERT
duke@435 61
duke@435 62
duke@435 63 inline HandleMark::HandleMark() {
duke@435 64 initialize(Thread::current());
duke@435 65 }
duke@435 66
duke@435 67
duke@435 68 inline void HandleMark::push() {
duke@435 69 // This is intentionally a NOP. pop_and_restore will reset
duke@435 70 // values to the HandleMark further down the stack, typically
duke@435 71 // in JavaCalls::call_helper.
duke@435 72 debug_only(_area->_handle_mark_nesting++);
duke@435 73 }
duke@435 74
duke@435 75 inline void HandleMark::pop_and_restore() {
duke@435 76 HandleArea* area = _area; // help compilers with poor alias analysis
duke@435 77 // Delete later chunks
duke@435 78 if( _chunk->next() ) {
duke@435 79 _chunk->next_chop();
duke@435 80 }
duke@435 81 // Roll back arena to saved top markers
duke@435 82 area->_chunk = _chunk;
duke@435 83 area->_hwm = _hwm;
duke@435 84 area->_max = _max;
duke@435 85 NOT_PRODUCT(area->set_size_in_bytes(_size_in_bytes);)
duke@435 86 debug_only(area->_handle_mark_nesting--);
duke@435 87 }
stefank@2314 88
stefank@2314 89 #endif // SHARE_VM_RUNTIME_HANDLES_INLINE_HPP

mercurial