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#if defined(_POSIX_SOURCE) || defined(_POSIX_C_SOURCE) \
|| defined(_XOPEN_SOURCE) || defined(_GNU_SOURCE)
struct __fpstate {
unsigned long __x[4];
unsigned char __y[384];
unsigned long __z[12];
};
typedef struct {
unsigned long __gregs[23];
void *__fpregs;
unsigned long __reserved1[8];
} 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;
#ifdef _GNU_SOURCE
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];
};
#endif
struct __siginfo
{
int si_signo;
int si_errno;
int si_code;
union
{
int __pad[(128 - 4*sizeof(int)) / sizeof(int)];
struct {
pid_t si_pid;
uid_t si_uid;
} __kill;
struct {
void *si_timerid;
int si_overrun;
char __pad[sizeof(uid_t) - sizeof(int)];
union sigval si_sigval;
int si_private;
} __timer;
struct {
pid_t si_pid;
uid_t si_uid;
union sigval si_sigval;
} __rt;
struct {
pid_t si_pid;
uid_t si_uid;
int si_status;
clock_t si_utime;
clock_t si_stime;
} __sigchld;
struct {
void *si_addr;
short addr_lsb;
} __sigfault;
struct {
long si_band;
int si_fd;
} __sigpoll;
} __si_fields;
};
#define si_pid __si_fields.__sigchld.si_pid
#define si_uid __si_fields.__sigchld.si_uid
#define si_status __si_fields.__sigchld.si_status
#define si_utime __si_fields.__sigchld.si_utime
#define si_stime __si_fields.__sigchld.si_stime
#define si_value __si_fields.__rt.si_sigval
#define si_addr __si_fields.__sigfault.si_addr
#define si_band __si_fields.__sigpoll.si_band
#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
#define SS_ONSTACK 1
#define SS_DISABLE 2
#define SIG_BLOCK 0
#define SIG_UNBLOCK 1
#define SIG_SETMASK 2
#define SIG_HOLD ((void (*)(int)) 2)
#endif
#ifdef _GNU_SOURCE
#define NSIG 64
#endif
#define SIG_ERR ((void (*)(int))-1)
#define SIG_DFL ((void (*)(int)) 0)
#define SIG_IGN ((void (*)(int)) 1)
#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
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