01: /*
02: * <copyright>
03: *
04: * Copyright 1997-2004 BBNT Solutions, LLC
05: * under sponsorship of the Defense Advanced Research Projects
06: * Agency (DARPA).
07: *
08: * You can redistribute this software and/or modify it under the
09: * terms of the Cougaar Open Source License as published on the
10: * Cougaar Open Source Website (www.cougaar.org).
11: *
12: * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
13: * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
14: * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
15: * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
16: * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
17: * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
18: * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
19: * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
20: * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
21: * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
22: * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
23: *
24: * </copyright>
25: */
26:
27: package org.cougaar.core.service;
28:
29: import org.cougaar.core.component.Service;
30:
31: /**
32: * This service requests a JVM-wide stack dump.
33: * <p>
34: * Access to this service will likely be restricted to a
35: * limited subset of node-agent components. Typical plugin
36: * developers should not use this service.
37: */
38: public interface JvmStackDumpService extends Service {
39:
40: /**
41: * Request that the JVM dump its stack to standard-out.
42: * <p>
43: * This is equivalent to typing "CTRL-BREAK" on Windows or
44: * or "CTRL-\" on Unix.
45: * <p>
46: * For notes on the format of the JVM stack dump, see:
47: * <a href="http://java.sun.com/j2se/1.4.1/changes.html#deadlock"
48: * >http://java.sun.com/j2se/1.4.1/changes.html#deadlock</a>.
49: *
50: * @return true if the stack was dumped
51: */
52: public boolean dumpStack();
53:
54: }
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