annotate agent/src/share/classes/sun/jvm/hotspot/runtime/linux/LinuxSignals.java @ 6972:bd7a7ce2e264

6830717: replay of compilations would help with debugging Summary: When java process crashed in compiler thread, repeat the compilation process will help finding root cause. This is done with using SA dump application class data and replay data from core dump, then use debug version of jvm to recompile the problematic java method. Reviewed-by: kvn, twisti, sspitsyn Contributed-by: yumin.qi@oracle.com
author minqi
date Mon, 12 Nov 2012 14:03:53 -0800
parents c18cbe5936b8
children
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
rev   line source
0
a61af66fc99e Initial load
duke
parents:
diff changeset
1 /*
1552
c18cbe5936b8 6941466: Oracle rebranding changes for Hotspot repositories
trims
parents: 0
diff changeset
2 * Copyright (c) 2003, Oracle and/or its affiliates. All rights reserved.
0
a61af66fc99e Initial load
duke
parents:
diff changeset
3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
a61af66fc99e Initial load
duke
parents:
diff changeset
4 *
a61af66fc99e Initial load
duke
parents:
diff changeset
5 * This code is free software; you can redistribute it and/or modify it
a61af66fc99e Initial load
duke
parents:
diff changeset
6 * under the terms of the GNU General Public License version 2 only, as
a61af66fc99e Initial load
duke
parents:
diff changeset
7 * published by the Free Software Foundation.
a61af66fc99e Initial load
duke
parents:
diff changeset
8 *
a61af66fc99e Initial load
duke
parents:
diff changeset
9 * This code is distributed in the hope that it will be useful, but WITHOUT
a61af66fc99e Initial load
duke
parents:
diff changeset
10 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
a61af66fc99e Initial load
duke
parents:
diff changeset
11 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
a61af66fc99e Initial load
duke
parents:
diff changeset
12 * version 2 for more details (a copy is included in the LICENSE file that
a61af66fc99e Initial load
duke
parents:
diff changeset
13 * accompanied this code).
a61af66fc99e Initial load
duke
parents:
diff changeset
14 *
a61af66fc99e Initial load
duke
parents:
diff changeset
15 * You should have received a copy of the GNU General Public License version
a61af66fc99e Initial load
duke
parents:
diff changeset
16 * 2 along with this work; if not, write to the Free Software Foundation,
a61af66fc99e Initial load
duke
parents:
diff changeset
17 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
a61af66fc99e Initial load
duke
parents:
diff changeset
18 *
1552
c18cbe5936b8 6941466: Oracle rebranding changes for Hotspot repositories
trims
parents: 0
diff changeset
19 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
c18cbe5936b8 6941466: Oracle rebranding changes for Hotspot repositories
trims
parents: 0
diff changeset
20 * or visit www.oracle.com if you need additional information or have any
c18cbe5936b8 6941466: Oracle rebranding changes for Hotspot repositories
trims
parents: 0
diff changeset
21 * questions.
0
a61af66fc99e Initial load
duke
parents:
diff changeset
22 *
a61af66fc99e Initial load
duke
parents:
diff changeset
23 */
a61af66fc99e Initial load
duke
parents:
diff changeset
24
a61af66fc99e Initial load
duke
parents:
diff changeset
25 package sun.jvm.hotspot.runtime.linux;
a61af66fc99e Initial load
duke
parents:
diff changeset
26
a61af66fc99e Initial load
duke
parents:
diff changeset
27 public class LinuxSignals {
a61af66fc99e Initial load
duke
parents:
diff changeset
28 private static String[] signalNames = {
a61af66fc99e Initial load
duke
parents:
diff changeset
29 "", /* No signal 0 */
a61af66fc99e Initial load
duke
parents:
diff changeset
30 "SIGHUP", /* hangup */
a61af66fc99e Initial load
duke
parents:
diff changeset
31 "SIGINT", /* interrupt (rubout) */
a61af66fc99e Initial load
duke
parents:
diff changeset
32 "SIGQUIT", /* quit (ASCII FS) */
a61af66fc99e Initial load
duke
parents:
diff changeset
33 "SIGILL", /* illegal instruction (not reset when caught) */
a61af66fc99e Initial load
duke
parents:
diff changeset
34 "SIGTRAP", /* trace trap (not reset when caught) */
a61af66fc99e Initial load
duke
parents:
diff changeset
35 "SIGABRT", /* used by abort, replace SIGIOT in the future */
a61af66fc99e Initial load
duke
parents:
diff changeset
36 "SIGIOT",
a61af66fc99e Initial load
duke
parents:
diff changeset
37 "SIGBUS",
a61af66fc99e Initial load
duke
parents:
diff changeset
38 "SIGFPE", /* floating point exception */
a61af66fc99e Initial load
duke
parents:
diff changeset
39 "SIGKILL", /* kill (cannot be caught or ignored) */
a61af66fc99e Initial load
duke
parents:
diff changeset
40 "SIGUSR1", /* user defined signal 1 */
a61af66fc99e Initial load
duke
parents:
diff changeset
41 "SIGSEGV", /* segmentation violation */
a61af66fc99e Initial load
duke
parents:
diff changeset
42 "SIGUSR2", /* user defined signal 2 */
a61af66fc99e Initial load
duke
parents:
diff changeset
43 "SIGPIPE", /* write on a pipe with no one to read it */
a61af66fc99e Initial load
duke
parents:
diff changeset
44 "SIGALRM", /* alarm clock */
a61af66fc99e Initial load
duke
parents:
diff changeset
45 "SIGTERM", /* software termination signal from kill */
a61af66fc99e Initial load
duke
parents:
diff changeset
46 "SIGSTKFLT",
a61af66fc99e Initial load
duke
parents:
diff changeset
47 "SIGCHLD", /* child status change alias */
a61af66fc99e Initial load
duke
parents:
diff changeset
48 "SIGCONT", /* stopped process has been continued */
a61af66fc99e Initial load
duke
parents:
diff changeset
49 "SIGSTOP", /* stop (cannot be caught or ignored) */
a61af66fc99e Initial load
duke
parents:
diff changeset
50 "SIGTSTP", /* user stop requested from tty */
a61af66fc99e Initial load
duke
parents:
diff changeset
51 "SIGTTIN", /* background tty read attempted */
a61af66fc99e Initial load
duke
parents:
diff changeset
52 "SIGTTOU", /* background tty write attempted */
a61af66fc99e Initial load
duke
parents:
diff changeset
53 "SIGURG", /* urgent socket condition */
a61af66fc99e Initial load
duke
parents:
diff changeset
54 "SIGXCPU", /* exceeded cpu limit */
a61af66fc99e Initial load
duke
parents:
diff changeset
55 "SIGXFSZ", /* exceeded file size limit */
a61af66fc99e Initial load
duke
parents:
diff changeset
56 "SIGVTALRM", /* virtual timer expired */
a61af66fc99e Initial load
duke
parents:
diff changeset
57 "SIGPROF", /* profiling timer expired */
a61af66fc99e Initial load
duke
parents:
diff changeset
58 "SIGWINCH", /* window size change */
a61af66fc99e Initial load
duke
parents:
diff changeset
59 "SIGPOLL", /* pollable event occured */
a61af66fc99e Initial load
duke
parents:
diff changeset
60 "SIGPWR", /* power-fail restart */
a61af66fc99e Initial load
duke
parents:
diff changeset
61 "SIGSYS"
a61af66fc99e Initial load
duke
parents:
diff changeset
62 };
a61af66fc99e Initial load
duke
parents:
diff changeset
63
a61af66fc99e Initial load
duke
parents:
diff changeset
64 public static String getSignalName(int sigNum) {
a61af66fc99e Initial load
duke
parents:
diff changeset
65 if ((sigNum <= 0) || (sigNum >= signalNames.length)) {
a61af66fc99e Initial load
duke
parents:
diff changeset
66 // Probably best to fail in a non-destructive way
a61af66fc99e Initial load
duke
parents:
diff changeset
67 return "<Error: Illegal signal number " + sigNum + ">";
a61af66fc99e Initial load
duke
parents:
diff changeset
68 }
a61af66fc99e Initial load
duke
parents:
diff changeset
69 return signalNames[sigNum];
a61af66fc99e Initial load
duke
parents:
diff changeset
70 }
a61af66fc99e Initial load
duke
parents:
diff changeset
71 }