1/* 2 * Copyright (c) 2000, 2003, 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 25package sun.jvm.hotspot.runtime; 26 27/** This is a type-safe enum mirroring the JavaThreadState enum in 28 globalDefinitions.hpp. The conversion between the underlying ints 29 and these values is done in JavaThread. */ 30 31public class JavaThreadState { 32 private String stringVal; 33 34 /** Should never happen (missing initialization) */ 35 public static final JavaThreadState UNINITIALIZED = new JavaThreadState("UNINITIALIZED"); 36 /** Just starting up, i.e., in process of being initialized */ 37 public static final JavaThreadState NEW = new JavaThreadState("NEW"); 38 /** Corresponding transition state (not used, included for completness) */ 39 public static final JavaThreadState NEW_TRANS = new JavaThreadState("NEW_TRANS"); 40 /** Running in native code */ 41 public static final JavaThreadState IN_NATIVE = new JavaThreadState("IN_NATIVE"); 42 /** Corresponding transition state */ 43 public static final JavaThreadState IN_NATIVE_TRANS = new JavaThreadState("IN_NATIVE_TRANS"); 44 /** Running in VM */ 45 public static final JavaThreadState IN_VM = new JavaThreadState("IN_VM"); 46 /** Corresponding transition state */ 47 public static final JavaThreadState IN_VM_TRANS = new JavaThreadState("IN_VM_TRANS"); 48 /** Running in Java or in stub code */ 49 public static final JavaThreadState IN_JAVA = new JavaThreadState("IN_JAVA"); 50 /** Corresponding transition state (not used, included for completness) */ 51 public static final JavaThreadState IN_JAVA_TRANS = new JavaThreadState("IN_JAVA_TRANS"); 52 /** Blocked in vm */ 53 public static final JavaThreadState BLOCKED = new JavaThreadState("BLOCKED"); 54 /** Corresponding transition state */ 55 public static final JavaThreadState BLOCKED_TRANS = new JavaThreadState("BLOCKED_TRANS"); 56 /** Special state needed, since we cannot suspend a thread when it is in native_trans */ 57 58 private JavaThreadState(String stringVal) { 59 this.stringVal = stringVal; 60 } 61 62 public String toString() { 63 return stringVal; 64 } 65} 66