1#if defined(_POSIX_SOURCE) || defined(_POSIX_C_SOURCE) \
2 || defined(_XOPEN_SOURCE) || defined(_GNU_SOURCE) || defined(_BSD_SOURCE)
3
4#if defined(_XOPEN_SOURCE) || defined(_GNU_SOURCE) || defined(_BSD_SOURCE)
5#define MINSIGSTKSZ 2048
6#define SIGSTKSZ 8192
7#endif
8
9#if defined(_GNU_SOURCE) || defined(_BSD_SOURCE)
10typedef int greg_t, gregset_t[18];
11typedef struct sigcontext {
12	unsigned long trap_no, error_code, oldmask;
13	unsigned long arm_r0, arm_r1, arm_r2, arm_r3;
14	unsigned long arm_r4, arm_r5, arm_r6, arm_r7;
15	unsigned long arm_r8, arm_r9, arm_r10, arm_fp;
16	unsigned long arm_ip, arm_sp, arm_lr, arm_pc;
17	unsigned long arm_cpsr, fault_address;
18} mcontext_t;
19#else
20typedef struct {
21	unsigned long __regs[21];
22} mcontext_t;
23#endif
24
25struct sigaltstack {
26	void *ss_sp;
27	int ss_flags;
28	size_t ss_size;
29};
30
31typedef struct __ucontext {
32	unsigned long uc_flags;
33	struct __ucontext *uc_link;
34	stack_t uc_stack;
35	mcontext_t uc_mcontext;
36	sigset_t uc_sigmask;
37	unsigned long long uc_regspace[64];
38} ucontext_t;
39
40#define SA_NOCLDSTOP  1
41#define SA_NOCLDWAIT  2
42#define SA_SIGINFO    4
43#define SA_ONSTACK    0x08000000
44#define SA_RESTART    0x10000000
45#define SA_NODEFER    0x40000000
46#define SA_RESETHAND  0x80000000
47#define SA_RESTORER   0x04000000
48
49#endif
50
51#define SIGHUP    1
52#define SIGINT    2
53#define SIGQUIT   3
54#define SIGILL    4
55#define SIGTRAP   5
56#define SIGABRT   6
57#define SIGIOT    SIGABRT
58#define SIGBUS    7
59#define SIGFPE    8
60#define SIGKILL   9
61#define SIGUSR1   10
62#define SIGSEGV   11
63#define SIGUSR2   12
64#define SIGPIPE   13
65#define SIGALRM   14
66#define SIGTERM   15
67#define SIGSTKFLT 16
68#define SIGCHLD   17
69#define SIGCONT   18
70#define SIGSTOP   19
71#define SIGTSTP   20
72#define SIGTTIN   21
73#define SIGTTOU   22
74#define SIGURG    23
75#define SIGXCPU   24
76#define SIGXFSZ   25
77#define SIGVTALRM 26
78#define SIGPROF   27
79#define SIGWINCH  28
80#define SIGIO     29
81#define SIGPOLL   29
82#define SIGPWR    30
83#define SIGSYS    31
84#define SIGUNUSED SIGSYS
85
86#define _NSIG 65
87