#if defined(_POSIX_SOURCE) || defined(_POSIX_C_SOURCE) \
|| defined(_XOPEN_SOURCE) || defined(_GNU_SOURCE) || defined(_BSD_SOURCE)
#if defined(_XOPEN_SOURCE) || defined(_GNU_SOURCE) || defined(_BSD_SOURCE)
#define MINSIGSTKSZ 2048
#define SIGSTKSZ 8192
#endif
#ifdef _GNU_SOURCE
#define REG_R8 0
#define REG_R9 1
#define REG_R10 2
#define REG_R11 3
#define REG_R12 4
#define REG_R13 5
#define REG_R14 6
#define REG_R15 7
#define REG_RDI 8
#define REG_RSI 9
#define REG_RBP 10
#define REG_RBX 11
#define REG_RDX 12
#define REG_RAX 13
#define REG_RCX 14
#define REG_RSP 15
#define REG_RIP 16
#define REG_EFL 17
#define REG_CSGSFS 18
#define REG_ERR 19
#define REG_TRAPNO 20
#define REG_OLDMASK 21
#define REG_CR2 22
#endif
#if defined(_GNU_SOURCE) || defined(_BSD_SOURCE)
typedef long long greg_t, gregset_t[23];
typedef struct _fpstate {
unsigned short cwd, swd, ftw, fop;
unsigned long long rip, rdp;
unsigned mxcsr, mxcr_mask;
struct {
unsigned short significand[4], exponent, padding[3];
} _st[8];
struct {
unsigned element[4];
} _xmm[16];
unsigned padding[24];
} *fpregset_t;
struct sigcontext {
unsigned long r8, r9, r10, r11, r12, r13, r14, r15;
unsigned long rdi, rsi, rbp, rbx, rdx, rax, rcx, rsp, rip, eflags;
unsigned short cs, gs, fs, __pad0;
unsigned long err, trapno, oldmask, cr2;
struct _fpstate *fpstate;
unsigned long __reserved1[8];
};
typedef struct {
gregset_t gregs;
fpregset_t fpregs;
unsigned long long __reserved1[8];
} mcontext_t;
#else
typedef struct {
unsigned long __space[32];
} mcontext_t;
#endif
struct sigaltstack {
void *ss_sp;
int ss_flags;
size_t ss_size;
};
typedef struct __ucontext {
unsigned long uc_flags;
struct __ucontext *uc_link;
stack_t uc_stack;
mcontext_t uc_mcontext;
sigset_t uc_sigmask;
unsigned long __fpregs_mem[64];
} ucontext_t;
#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
#endif
#define SIGHUP 1
#define SIGINT 2
#define SIGQUIT 3
#define SIGILL 4
#define SIGTRAP 5
#define SIGABRT 6
#define SIGIOT SIGABRT
#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
#define _NSIG 65
