1 /*
2 * Copyright (c) 2004-2006 Maxim Sobolev <sobomax@FreeBSD.org>
3 * Copyright (c) 2006-2015 Sippy Software, Inc., http://www.sippysoft.com
4 * All rights reserved.
5 *
6 * Redistribution and use in source and binary forms, with or without
7 * modification, are permitted provided that the following conditions
8 * are met:
9 * 1. Redistributions of source code must retain the above copyright
10 * notice, this list of conditions and the following disclaimer.
11 * 2. Redistributions in binary form must reproduce the above copyright
12 * notice, this list of conditions and the following disclaimer in the
13 * documentation and/or other materials provided with the distribution.
14 *
15 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
16 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
17 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
18 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
19 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
20 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
21 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
22 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
23 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
24 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
25 * SUCH DAMAGE.
26 *
27 */
28
29 #include <sys/types.h>
30 #include <signal.h>
31 #include <stdio.h>
32 #include <unistd.h>
33
34 #include "libexecinfo/execinfo.h"
35
36 void
rtpp_stacktrace(int sig)37 rtpp_stacktrace(int sig)
38 {
39 /* Obtain a backtrace and print it to stderr. */
40 void *array[10];
41 size_t size;
42 char **strings;
43 int i;
44
45 size = backtrace(array, 10);
46 strings = backtrace_symbols(array, size);
47
48 fprintf(stderr, "Died on signal %d, obtained %ld stack frames.\n",
49 sig, size);
50
51 for (i = 0; i < size; i++)
52 fprintf(stderr, "%s\n", strings[i]);
53 fflush(stderr);
54 signal(sig, SIG_DFL);
55 kill(getpid(), sig);
56 }
57
58 void
rtpp_stacktrace_print(const char * msg)59 rtpp_stacktrace_print(const char *msg)
60 {
61 /* Obtain a backtrace and print it to stderr. */
62 void *array[10];
63 size_t size;
64 char **strings;
65 int i;
66
67 size = backtrace(array, 10);
68 strings = backtrace_symbols(array, size);
69
70 fprintf(stderr, "%s\nTraceback:\n", msg);
71 for (i = 0; i < size; i++)
72 fprintf(stderr, " %s\n", strings[i]);
73 fflush(stderr);
74 }
75