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| 1 | /* | ||
| 2 | * Copyright (c) 2005, 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. Oracle designates this | ||
| 8 | * particular file as subject to the "Classpath" exception as provided | ||
| 9 | * by Oracle in the LICENSE file that accompanied this code. | ||
| 10 | * | ||
| 11 | * This code is distributed in the hope that it will be useful, but WITHOUT | ||
| 12 | * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or | ||
| 13 | * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License | ||
| 14 | * version 2 for more details (a copy is included in the LICENSE file that | ||
| 15 | * accompanied this code). | ||
| 16 | * | ||
| 17 | * You should have received a copy of the GNU General Public License version | ||
| 18 | * 2 along with this work; if not, write to the Free Software Foundation, | ||
| 19 | * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. | ||
| 20 | * | ||
| 21 | * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA | ||
| 22 | * or visit www.oracle.com if you need additional information or have any | ||
| 23 | * questions. | ||
| 24 | */ | ||
| 25 | |||
| 26 | package com.sun.jdi; | ||
| 27 | |||
| 28 | /** | ||
| 29 | * Information about a monitor owned by a thread. | ||
| 30 | * | ||
| 31 | * @author Swamy Venkataramanappa | ||
| 32 | * @since 1.6 | ||
| 33 | */ | ||
| 34 | |||
| 35 | public interface MonitorInfo extends Mirror { | ||
| 36 | |||
| 37 | /** | ||
| 38 | * Returns the {@link ObjectReference} object for the monitor. | ||
| 39 | * @return the {@link ObjectReference} object for the monitor. | ||
| 40 | * @throws InvalidStackFrameException if the associated stack | ||
| 41 | * frame has become invalid. Once the frame's thread is resumed, | ||
| 42 | * the stack frame is no longer valid. | ||
| 43 | * @see ThreadReference#ownedMonitorsAndFrames | ||
| 44 | * @since 1.6 | ||
| 45 | */ | ||
| 46 | public ObjectReference monitor(); | ||
| 47 | |||
| 48 | /** | ||
| 49 | * Returns the stack depth at which this monitor was | ||
| 50 | * acquired by the owning thread. Returns -1 if the | ||
| 51 | * implementation cannot determine the stack depth | ||
| 52 | * (e.g., for monitors acquired by JNI MonitorEnter). | ||
| 53 | * @return the stack depth at which this monitor was | ||
| 54 | * acquired by the owning thread. | ||
| 55 | * @throws InvalidStackFrameException if the associated stack | ||
| 56 | * frame has become invalid. Once the frame's thread is resumed, | ||
| 57 | * the stack frame is no longer valid. | ||
| 58 | * @see ThreadReference#ownedMonitorsAndFrames | ||
| 59 | */ | ||
| 60 | public int stackDepth(); | ||
| 61 | |||
| 62 | /** | ||
| 63 | * Returns a {@link ThreadReference} object for the thread that | ||
| 64 | * owns the monitor. | ||
| 65 | * @return a {@link ThreadReference} object for the thread that | ||
| 66 | * owns the monitor. | ||
| 67 | * @throws InvalidStackFrameException if the associated stack | ||
| 68 | * frame has become invalid. Once the frame's thread is resumed, | ||
| 69 | * the stack frame is no longer valid. | ||
| 70 | * @see ThreadReference#frame | ||
| 71 | */ | ||
| 72 | ThreadReference thread(); | ||
| 73 | } | ||