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
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
|
/*
* This file is subject to the terms and conditions of the GNU General Public
* License. See the file "COPYING" in the main directory of this archive
* for more details.
*
* Copyright (C) 1998, 1999, 2001, 2003 Ralf Baechle
* Copyright (C) 2000, 2001 Silicon Graphics, Inc.
*/
#ifndef _ASM_SIGINFO_H
#define _ASM_SIGINFO_H
#include <linux/config.h>
#undef __ARCH_SI_TRAPNO /* exception code needs to fill this ... */
#define HAVE_ARCH_SIGINFO_T
/*
* We duplicate the generic versions - <asm-generic/siginfo.h> is just borked
* by design ...
*/
#define HAVE_ARCH_COPY_SIGINFO
struct siginfo;
/*
* Careful to keep union _sifields from shifting ...
*/
#ifdef CONFIG_32BIT
#define __ARCH_SI_PREAMBLE_SIZE (3 * sizeof(int))
#endif
#ifdef CONFIG_64BIT
#define __ARCH_SI_PREAMBLE_SIZE (4 * sizeof(int))
#endif
#include <asm-generic/siginfo.h>
typedef struct siginfo {
int si_signo;
int si_code;
int si_errno;
int __pad0[SI_MAX_SIZE / sizeof(int) - SI_PAD_SIZE - 3];
union {
int _pad[SI_PAD_SIZE];
/* kill() */
struct {
pid_t _pid; /* sender's pid */
__ARCH_SI_UID_T _uid; /* sender's uid */
} _kill;
/* POSIX.1b timers */
struct {
timer_t _tid; /* timer id */
int _overrun; /* overrun count */
char _pad[sizeof( __ARCH_SI_UID_T) - sizeof(int)];
sigval_t _sigval; /* same as below */
int _sys_private; /* not to be passed to user */
} _timer;
/* POSIX.1b signals */
struct {
pid_t _pid; /* sender's pid */
__ARCH_SI_UID_T _uid; /* sender's uid */
sigval_t _sigval;
} _rt;
/* SIGCHLD */
struct {
pid_t _pid; /* which child */
__ARCH_SI_UID_T _uid; /* sender's uid */
int _status; /* exit code */
clock_t _utime;
clock_t _stime;
} _sigchld;
/* IRIX SIGCHLD */
struct {
pid_t _pid; /* which child */
clock_t _utime;
int _status; /* exit code */
clock_t _stime;
} _irix_sigchld;
/* SIGILL, SIGFPE, SIGSEGV, SIGBUS */
struct {
void __user *_addr; /* faulting insn/memory ref. */
#ifdef __ARCH_SI_TRAPNO
int _trapno; /* TRAP # which caused the signal */
#endif
} _sigfault;
/* SIGPOLL, SIGXFSZ (To do ...) */
struct {
__ARCH_SI_BAND_T _band; /* POLL_IN, POLL_OUT, POLL_MSG */
int _fd;
} _sigpoll;
} _sifields;
} siginfo_t;
/*
* si_code values
* Again these have been choosen to be IRIX compatible.
*/
#undef SI_ASYNCIO
#undef SI_TIMER
#undef SI_MESGQ
#define SI_ASYNCIO -2 /* sent by AIO completion */
#define SI_TIMER __SI_CODE(__SI_TIMER,-3) /* sent by timer expiration */
#define SI_MESGQ __SI_CODE(__SI_MESGQ,-4) /* sent by real time mesq state change */
#ifdef __KERNEL__
/*
* Duplicated here because of <asm-generic/siginfo.h> braindamage ...
*/
#include <linux/string.h>
static inline void copy_siginfo(struct siginfo *to, struct siginfo *from)
{
if (from->si_code < 0)
memcpy(to, from, sizeof(*to));
else
/* _sigchld is currently the largest know union member */
memcpy(to, from, 3*sizeof(int) + sizeof(from->_sifields._sigchld));
}
#endif
#endif /* _ASM_SIGINFO_H */
|
