1 /*
   2  * Copyright (c) 2006, 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 // JvmtiEnvThreadStateIterator implementation
  26 
  27 inline JvmtiEnvThreadStateIterator::JvmtiEnvThreadStateIterator(JvmtiThreadState* thread_state) {
  28   state = thread_state;
  29   Thread::current()->entering_jvmti_env_iteration();
  30 }
  31 
  32 inline JvmtiEnvThreadStateIterator::~JvmtiEnvThreadStateIterator() {
  33   Thread::current()->leaving_jvmti_env_iteration();
  34 }
  35 
  36 inline JvmtiEnvThreadState* JvmtiEnvThreadStateIterator::first() {
  37   return state->head_env_thread_state();
  38 }
  39 
  40 inline JvmtiEnvThreadState* JvmtiEnvThreadStateIterator::next(JvmtiEnvThreadState* ets) {
  41   return ets->next();
  42 }
  43 
  44 // JvmtiThreadState implementation
  45 
  46 JvmtiEnvThreadState* JvmtiThreadState::env_thread_state(JvmtiEnvBase *env) {
  47   JvmtiEnvThreadStateIterator it(this);
  48   for (JvmtiEnvThreadState* ets = it.first(); ets != NULL; ets = it.next(ets)) {
  49     if ((JvmtiEnvBase*)(ets->get_env()) == env) {
  50       return ets;
  51     }
  52   }
  53   return NULL;
  54 }
  55 
  56 JvmtiEnvThreadState* JvmtiThreadState::head_env_thread_state() {
  57   return _head_env_thread_state;
  58 }
  59 
  60 void JvmtiThreadState::set_head_env_thread_state(JvmtiEnvThreadState* ets) {
  61   _head_env_thread_state = ets;
  62 }