#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;
#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
#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;
};
#define NSIG 64
#endif
#endif
#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
