01: /*
02: * Copyright 1998-1999 Sun Microsystems, Inc. All Rights Reserved.
03: * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
04: *
05: * This code is free software; you can redistribute it and/or modify it
06: * under the terms of the GNU General Public License version 2 only, as
07: * published by the Free Software Foundation. Sun designates this
08: * particular file as subject to the "Classpath" exception as provided
09: * by Sun 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 Sun Microsystems, Inc., 4150 Network Circle, Santa Clara,
22: * CA 95054 USA or visit www.sun.com if you need additional information or
23: * have any questions.
24: */
25:
26: package com.sun.jdi.event;
27:
28: import com.sun.jdi.*;
29:
30: /**
31: * Notification of a new running thread in the target VM.
32: * The new thread can be the result of a call to
33: * <code>{@link java.lang.Thread#start}</code> or the result of
34: * attaching a new thread to the VM though JNI. The
35: * notification is generated by the new thread some time before
36: * its execution starts.
37: * Because of this timing, it is possible to receive other events
38: * for the thread before this event is received. (Notably,
39: * {@link MethodEntryEvent}s and {@link MethodExitEvent}s might occur
40: * during thread initialization.)
41: * It is also possible for {@link VirtualMachine#allThreads} to return
42: * a new started thread before this event is received.
43: * <p>
44: * Note that this event gives no information
45: * about the creation of the thread object which may have happened
46: * much earlier, depending on the VM being debugged.
47: *
48: * @see EventQueue
49: * @see VirtualMachine
50: * @see ThreadReference
51: *
52: * @author Robert Field
53: * @since 1.3
54: */
55: public interface ThreadStartEvent extends Event {
56: /**
57: * Returns the thread which has started.
58: *
59: * @return a {@link ThreadReference} which mirrors the event's thread in
60: * the target VM.
61: */
62: public ThreadReference thread();
63: }
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