1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
|
/* Augment failing assertions with backtraces.
Copyright (C) 1994-2015 Free Software Foundation, Inc.
This file is part of the GNU Hurd.
The GNU Hurd is free software; you can redistribute it and/or
modify it under the terms of the GNU General Public License as
published by the Free Software Foundation; either version 2, or (at
your option) any later version.
The GNU Hurd is distributed in the hope that it will be useful, but
WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
General Public License for more details.
You should have received a copy of the GNU General Public License
along with the GNU Hurd. If not, see <http://www.gnu.org/licenses/>. */
#ifndef __ASSERT_BACKTRACE__
#define __ASSERT_BACKTRACE__
#ifdef NDEBUG
#define assert_backtrace(expr) ((void) 0)
#define assert_perror_backtrace(errnum) ((void) 0)
#else /* NDEBUG */
#include <sys/cdefs.h>
/* This prints an "Assertion failed" message, prints a stack trace,
and aborts. */
void __assert_fail_backtrace (const char *assertion,
const char *file,
unsigned int line,
const char *function)
__attribute__ ((noreturn, unused));
/* Likewise, but prints the error text for ERRNUM. */
void __assert_perror_fail_backtrace (int errnum,
const char *file,
unsigned int line,
const char *function)
__attribute__ ((noreturn, unused));
#define assert_backtrace(expr) \
(__builtin_expect(!!(expr), 1) \
? (void) 0 \
: __assert_fail_backtrace (__STRING(expr), \
__FILE__, __LINE__, \
__PRETTY_FUNCTION__))
#define assert_perror_backtrace(expr) \
(__builtin_expect(((expr) == 0), 1) \
? (void) 0 \
: __assert_perror_fail_backtrace ((expr), \
__FILE__, __LINE__, \
__PRETTY_FUNCTION__))
/* Print a stack trace on stderr. */
void backtrace_stderr (void);
/* Print a stack trace on the mach console. */
void backtrace_mach (void);
#endif /* NDEBUG */
#endif /* __ASSERT_BACKTRACE__ */
|
