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 4096
6 #define SIGSTKSZ    10240
7 #endif
8 
9 #if defined(_GNU_SOURCE) || defined(_BSD_SOURCE)
10 
11 typedef unsigned long greg_t, gregset_t[27];
12 
13 typedef struct {
14 	unsigned long mask;
15 	unsigned long addr;
16 } __psw_t;
17 
18 typedef union {
19 	double d;
20 	float f;
21 } fpreg_t;
22 
23 typedef struct {
24 	unsigned fpc;
25 	fpreg_t fprs[16];
26 } fpregset_t;
27 
28 typedef struct
29 {
30 	__psw_t psw;
31 	unsigned long gregs[16];
32 	unsigned aregs[16];
33 	fpregset_t fpregs;
34 } mcontext_t;
35 
36 struct sigcontext {
37 	unsigned long oldmask[1];
38 	struct {
39 		struct {
40 			__psw_t psw;
41 			unsigned long gprs[16];
42 			unsigned acrs[16];
43 		} regs;
44 		struct {
45 			unsigned fpc;
46 			double fprs[16];
47 		} fpregs;
48 	} *sregs;
49 };
50 
51 #else
52 
53 typedef struct {
54 	unsigned long __regs1[18];
55 	unsigned __regs2[18];
56 	double __regs3[16];
57 } mcontext_t;
58 
59 #endif
60 
61 struct sigaltstack {
62 	void *ss_sp;
63 	int ss_flags;
64 	size_t ss_size;
65 };
66 
67 typedef struct __ucontext {
68 	unsigned long uc_flags;
69 	struct __ucontext *uc_link;
70 	stack_t uc_stack;
71 	mcontext_t uc_mcontext;
72 	sigset_t uc_sigmask;
73 } ucontext_t;
74 
75 #define SA_NOCLDSTOP  1U
76 #define SA_NOCLDWAIT  2U
77 #define SA_SIGINFO    4U
78 #define SA_ONSTACK    0x08000000U
79 #define SA_RESTART    0x10000000U
80 #define SA_NODEFER    0x40000000U
81 #define SA_RESETHAND  0x80000000U
82 #define SA_RESTORER   0x04000000U
83 
84 #endif
85 
86 #define SIGHUP    1
87 #define SIGINT    2
88 #define SIGQUIT   3
89 #define SIGILL    4
90 #define SIGTRAP   5
91 #define SIGABRT   6
92 #define SIGIOT    SIGABRT
93 #define SIGBUS    7
94 #define SIGFPE    8
95 #define SIGKILL   9
96 #define SIGUSR1   10
97 #define SIGSEGV   11
98 #define SIGUSR2   12
99 #define SIGPIPE   13
100 #define SIGALRM   14
101 #define SIGTERM   15
102 #define SIGSTKFLT 16
103 #define SIGCHLD   17
104 #define SIGCONT   18
105 #define SIGSTOP   19
106 #define SIGTSTP   20
107 #define SIGTTIN   21
108 #define SIGTTOU   22
109 #define SIGURG    23
110 #define SIGXCPU   24
111 #define SIGXFSZ   25
112 #define SIGVTALRM 26
113 #define SIGPROF   27
114 #define SIGWINCH  28
115 #define SIGIO     29
116 #define SIGPOLL   SIGIO
117 #define SIGPWR    30
118 #define SIGSYS    31
119 #define SIGUNUSED SIGSYS
120 
121 #define _NSIG 65
122