summaryrefslogtreecommitdiff
path: root/arch/i386/bits/signal.h
blob: 60a0bb5b3504fd1841c4e66dd2b1374cef4741e0 (plain) (blame)
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
131
132
133
134
135
136
137
138
139
140
141
#if defined(_POSIX_SOURCE) || defined(_POSIX_C_SOURCE) \
 || defined(_XOPEN_SOURCE) || defined(_GNU_SOURCE)

struct __fpstate {
	unsigned long __x[7];
	unsigned char __y[80];
	unsigned long __z;
};

typedef struct {
	unsigned long __gregs[19];
	void *__fpregs;
	unsigned long __oldmask, __cr2;
} mcontext_t;

typedef struct __ucontext {
	unsigned long uc_flags;
	struct __ucontext *uc_link;
	stack_t uc_stack;
	mcontext_t uc_mcontext;
	sigset_t uc_sigmask;
	struct __fpstate __fpregs_mem;
} ucontext_t;

#ifdef _GNU_SOURCE
struct sigcontext {
	unsigned short gs, __gsh, fs, __fsh, es, __esh, ds, __dsh;
	unsigned long edi, esi, ebp, esp, ebx, edx, ecx, eax;
	unsigned long trapno, err, eip;
	unsigned short cs, __csh;
	unsigned long eflags, esp_at_signal;
	unsigned short ss, __ssh;
	struct __fpstate *fpstate;
	unsigned long oldmask, cr2;
};
#endif

struct __siginfo
{
	int si_signo;
	int si_errno;
	int si_code;
	union
	{
		char __pad[128 - 3*sizeof(int)];
		struct {
			pid_t si_pid;
			uid_t si_uid;
			union sigval si_sigval;
		} __rt;
		struct {
			unsigned int si_timer1;
			unsigned int si_timer2;
		} __timer;
		struct {
			pid_t si_pid;
			uid_t si_uid;
			int si_status;
			clock_t si_utime;
			clock_t si_stime;
		} __sigchld;
		struct {
			void *si_addr;
		} __sigfault;
		struct {
			long int si_band;
			int si_fd;
		} __sigpoll;
	} __si_fields;
};

#define si_pid     __si_fields.__sigchld.si_pid
#define si_uid     __si_fields.__sigchld.si_uid
#define si_status  __si_fields.__sigchld.si_status
#define si_utime   __si_fields.__sigchld.si_utime
#define si_stime   __si_fields.__sigchld.si_stime
#define si_value   __si_fields.__rt.si_sigval
#define si_addr    __si_fields.__sigfault.si_addr
#define si_band    __si_fields.__sigpoll.si_band

#define SA_NOCLDSTOP  1
#define SA_NOCLDWAIT  2
#define SA_SIGINFO    4
#define SA_ONSTACK    0x08000000
#define SA_RESTART    0x10000000
#define SA_NODEFER    0x40000000
#define SA_RESETHAND  0x80000000
#define SA_RESTORER   0x04000000

#define SS_ONSTACK    1
#define SS_DISABLE    2

#define SIG_BLOCK     0
#define SIG_UNBLOCK   1
#define SIG_SETMASK   2

#define SIG_HOLD ((void (*)(int)) 2)

#endif

#ifdef _GNU_SOURCE
#define NSIG      64
#endif

#define SIG_ERR  ((void (*)(int))-1)
#define SIG_DFL  ((void (*)(int)) 0)
#define SIG_IGN  ((void (*)(int)) 1)

#define SIGHUP    1
#define SIGINT    2
#define SIGQUIT   3
#define SIGILL    4
#define SIGTRAP   5
#define SIGABRT   6
#define SIGBUS    7
#define SIGFPE    8
#define SIGKILL   9
#define SIGUSR1   10
#define SIGSEGV   11
#define SIGUSR2   12
#define SIGPIPE   13
#define SIGALRM   14
#define SIGTERM   15
#define SIGSTKFLT 16
#define SIGCHLD   17
#define SIGCONT   18
#define SIGSTOP   19
#define SIGTSTP   20
#define SIGTTIN   21
#define SIGTTOU   22
#define SIGURG    23
#define SIGXCPU   24
#define SIGXFSZ   25
#define SIGVTALRM 26
#define SIGPROF   27
#define SIGWINCH  28
#define SIGIO     29
#define SIGPOLL   29
#define SIGPWR    30
#define SIGSYS    31
#define SIGUNUSED SIGSYS