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)
10 typedef unsigned long greg_t, gregset_t[38];
11 typedef struct sigcontext {
12 	struct {
13 		unsigned long r0, r1, r2, r3, r4, r5, r6, r7;
14 		unsigned long r8, r9, r10, r11, r12, r13, r14, r15;
15 		unsigned long r16, r17, r18, r19, r20, r21, r22, r23;
16 		unsigned long r24, r25, r26, r27, r28, r29, r30, r31;
17 		unsigned long pc, msr, ear, esr, fsr;
18 		int pt_mode;
19 	} regs;
20 	unsigned long oldmask;
21 } mcontext_t;
22 #else
23 typedef struct {
24 	unsigned long __regs[39];
25 } mcontext_t;
26 #endif
27 
28 struct sigaltstack {
29 	void *ss_sp;
30 	int ss_flags;
31 	size_t ss_size;
32 };
33 
34 typedef struct __ucontext {
35 	unsigned long uc_flags;
36 	struct __ucontext *uc_link;
37 	stack_t uc_stack;
38 	mcontext_t uc_mcontext;
39 	sigset_t uc_sigmask;
40 } ucontext_t;
41 
42 #define SA_NOCLDSTOP  1
43 #define SA_NOCLDWAIT  2
44 #define SA_SIGINFO    4
45 #define SA_ONSTACK    0x08000000
46 #define SA_RESTART    0x10000000
47 #define SA_NODEFER    0x40000000
48 #define SA_RESETHAND  0x80000000
49 #define SA_RESTORER   0x04000000
50 
51 #endif
52 
53 #define SIGHUP    1
54 #define SIGINT    2
55 #define SIGQUIT   3
56 #define SIGILL    4
57 #define SIGTRAP   5
58 #define SIGABRT   6
59 #define SIGIOT    SIGABRT
60 #define SIGBUS    7
61 #define SIGFPE    8
62 #define SIGKILL   9
63 #define SIGUSR1   10
64 #define SIGSEGV   11
65 #define SIGUSR2   12
66 #define SIGPIPE   13
67 #define SIGALRM   14
68 #define SIGTERM   15
69 #define SIGSTKFLT 16
70 #define SIGCHLD   17
71 #define SIGCONT   18
72 #define SIGSTOP   19
73 #define SIGTSTP   20
74 #define SIGTTIN   21
75 #define SIGTTOU   22
76 #define SIGURG    23
77 #define SIGXCPU   24
78 #define SIGXFSZ   25
79 #define SIGVTALRM 26
80 #define SIGPROF   27
81 #define SIGWINCH  28
82 #define SIGIO     29
83 #define SIGPOLL   29
84 #define SIGPWR    30
85 #define SIGSYS    31
86 #define SIGUNUSED SIGSYS
87 
88 #define _NSIG 65
89