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
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
|
/*
* libdpkg - Debian packaging suite library routines
* ehandle.h - error handling
*
* Copyright © 1994,1995 Ian Jackson <ijackson@chiark.greenend.org.uk>
* Copyright © 2000,2001 Wichert Akkerman <wichert@debian.org>
*
* This 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 of the License, or
* (at your option) any later version.
*
* This 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 this program. If not, see <https://www.gnu.org/licenses/>.
*/
#ifndef LIBDPKG_EHANDLE_H
#define LIBDPKG_EHANDLE_H
#include <setjmp.h>
#include <stddef.h>
#include <stdarg.h>
#include <dpkg/macros.h>
DPKG_BEGIN_DECLS
/**
* @defgroup ehandle Error context handling
* @ingroup dpkg-public
* @{
*/
extern volatile int onerr_abort;
enum {
ehflag_normaltidy = DPKG_BIT(0),
ehflag_bombout = DPKG_BIT(1),
ehflag_recursiveerror = DPKG_BIT(2),
};
typedef void error_handler_func(void);
typedef void error_printer_func(const char *emsg, const void *data);
void print_fatal_error(const char *emsg, const void *data);
void catch_fatal_error(void);
void push_error_context_jump(jmp_buf *jumper,
error_printer_func *printer,
const void *printer_data);
void push_error_context_func(error_handler_func *handler,
error_printer_func *printer,
const void *printer_data);
void push_error_context(void);
void pop_error_context(int flagset);
void push_cleanup_fallback(void (*f1)(int argc, void **argv), int flagmask1,
void (*f2)(int argc, void **argv), int flagmask2,
unsigned int nargs, ...);
void push_cleanup(void (*call)(int argc, void **argv), int flagmask,
unsigned int nargs, ...);
void push_checkpoint(int mask, int value);
void pop_cleanup(int flagset);
void ohshitv(const char *fmt, va_list args)
DPKG_ATTR_NORET DPKG_ATTR_VPRINTF(1);
void ohshit(const char *fmt, ...) DPKG_ATTR_NORET DPKG_ATTR_PRINTF(1);
void ohshite(const char *fmt, ...) DPKG_ATTR_NORET DPKG_ATTR_PRINTF(1);
void do_internerr(const char *file, int line, const char *func,
const char *fmt, ...)
DPKG_ATTR_NORET DPKG_ATTR_PRINTF(4);
#define internerr(...) do_internerr(__FILE__, __LINE__, __func__, __VA_ARGS__)
/** @} */
DPKG_END_DECLS
#endif /* LIBDPKG_EHANDLE_H */
|
