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1 /*
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2 * Copyright 2000-2003 Sun Microsystems, Inc. All Rights Reserved.
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3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
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4 *
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5 * This code is free software; you can redistribute it and/or modify it
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6 * under the terms of the GNU General Public License version 2 only, as
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7 * published by the Free Software Foundation.
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8 *
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9 * This code is distributed in the hope that it will be useful, but WITHOUT
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10 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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11 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
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12 * version 2 for more details (a copy is included in the LICENSE file that
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13 * accompanied this code).
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14 *
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15 * You should have received a copy of the GNU General Public License version
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16 * 2 along with this work; if not, write to the Free Software Foundation,
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17 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
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18 *
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19 * Please contact Sun Microsystems, Inc., 4150 Network Circle, Santa Clara,
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20 * CA 95054 USA or visit www.sun.com if you need additional information or
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21 * have any questions.
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22 *
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23 */
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24
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25 package sun.jvm.hotspot.runtime;
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26
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27 /** This is a type-safe enum mirroring the JavaThreadState enum in
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28 globalDefinitions.hpp. The conversion between the underlying ints
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29 and these values is done in JavaThread. */
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30
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31 public class JavaThreadState {
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32 private String stringVal;
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33
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34 /** Should never happen (missing initialization) */
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35 public static final JavaThreadState UNINITIALIZED = new JavaThreadState("UNINITIALIZED");
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36 /** Just starting up, i.e., in process of being initialized */
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37 public static final JavaThreadState NEW = new JavaThreadState("NEW");
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38 /** Corresponding transition state (not used, included for completness) */
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39 public static final JavaThreadState NEW_TRANS = new JavaThreadState("NEW_TRANS");
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40 /** Running in native code */
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41 public static final JavaThreadState IN_NATIVE = new JavaThreadState("IN_NATIVE");
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42 /** Corresponding transition state */
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43 public static final JavaThreadState IN_NATIVE_TRANS = new JavaThreadState("IN_NATIVE_TRANS");
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44 /** Running in VM */
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45 public static final JavaThreadState IN_VM = new JavaThreadState("IN_VM");
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46 /** Corresponding transition state */
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47 public static final JavaThreadState IN_VM_TRANS = new JavaThreadState("IN_VM_TRANS");
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48 /** Running in Java or in stub code */
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49 public static final JavaThreadState IN_JAVA = new JavaThreadState("IN_JAVA");
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50 /** Corresponding transition state (not used, included for completness) */
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51 public static final JavaThreadState IN_JAVA_TRANS = new JavaThreadState("IN_JAVA_TRANS");
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52 /** Blocked in vm */
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53 public static final JavaThreadState BLOCKED = new JavaThreadState("BLOCKED");
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54 /** Corresponding transition state */
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55 public static final JavaThreadState BLOCKED_TRANS = new JavaThreadState("BLOCKED_TRANS");
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56 /** Special state needed, since we cannot suspend a thread when it is in native_trans */
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57
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58 private JavaThreadState(String stringVal) {
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59 this.stringVal = stringVal;
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60 }
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61
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62 public String toString() {
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63 return stringVal;
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64 }
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65 }
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