1 /*
   2 * Copyright (c) 2016, 2018, 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 "jfr/recorder/checkpoint/types/jfrThreadState.hpp"
  27 #include "jfr/recorder/checkpoint/jfrCheckpointWriter.hpp"
  28 #include "jvmtifiles/jvmti.h"
  29 
  30 struct jvmti_thread_state {
  31   u8 id;
  32   const char* description;
  33 };
  34 
  35 static jvmti_thread_state states[] = {
  36   {
  37     JVMTI_JAVA_LANG_THREAD_STATE_NEW,
  38     "STATE_NEW"
  39   },
  40   {
  41     JVMTI_THREAD_STATE_TERMINATED,
  42     "STATE_TERMINATED"
  43   },
  44   {
  45     JVMTI_JAVA_LANG_THREAD_STATE_RUNNABLE,
  46     "STATE_RUNNABLE"
  47   },
  48   {
  49     (JVMTI_THREAD_STATE_ALIVE | JVMTI_THREAD_STATE_WAITING | JVMTI_THREAD_STATE_WAITING_WITH_TIMEOUT | JVMTI_THREAD_STATE_SLEEPING),
  50     "STATE_SLEEPING"
  51   },
  52   {
  53     (JVMTI_THREAD_STATE_ALIVE | JVMTI_THREAD_STATE_WAITING | JVMTI_THREAD_STATE_WAITING_INDEFINITELY | JVMTI_THREAD_STATE_IN_OBJECT_WAIT),
  54     "STATE_IN_OBJECT_WAIT"
  55   },
  56   {
  57     (JVMTI_THREAD_STATE_ALIVE | JVMTI_THREAD_STATE_WAITING | JVMTI_THREAD_STATE_WAITING_WITH_TIMEOUT | JVMTI_THREAD_STATE_IN_OBJECT_WAIT),
  58     "STATE_IN_OBJECT_WAIT_TIMED"
  59   },
  60   {
  61     (JVMTI_THREAD_STATE_ALIVE | JVMTI_THREAD_STATE_WAITING | JVMTI_THREAD_STATE_WAITING_INDEFINITELY | JVMTI_THREAD_STATE_PARKED),
  62     "STATE_PARKED"
  63   },
  64   {
  65     (JVMTI_THREAD_STATE_ALIVE | JVMTI_THREAD_STATE_WAITING | JVMTI_THREAD_STATE_WAITING_WITH_TIMEOUT | JVMTI_THREAD_STATE_PARKED),
  66     "STATE_PARKED_TIMED"
  67   },
  68   {
  69     JVMTI_JAVA_LANG_THREAD_STATE_BLOCKED,
  70     "STATE_BLOCKED_ON_MONITOR_ENTER"
  71   }
  72 };
  73 
  74 void JfrThreadState::serialize(JfrCheckpointWriter& writer) {
  75   const u4 number_of_states = sizeof(states) / sizeof(jvmti_thread_state);
  76   writer.write_count(number_of_states);
  77   for (u4 i = 0; i < number_of_states; ++i) {
  78     writer.write_key(states[i].id);
  79     writer.write(states[i].description);
  80   }
  81 }
  82