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#if defined(_POSIX_SOURCE) || defined(_POSIX_C_SOURCE) \
|| defined(_XOPEN_SOURCE) || defined(_GNU_SOURCE) || defined(_BSD_SOURCE)
typedef struct {
unsigned long __regs[21];
} 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;
unsigned long uc_regspace[128];
} 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
#if defined(_GNU_SOURCE) || defined(_BSD_SOURCE)
struct sigcontext
{
unsigned sc_regmask, sc_status;
unsigned long long sc_pc, sc_regs[32], sc_fpregs[32];
unsigned sc_ownedfp, sc_fpc_csr, sc_fpc_eir, sc_used_math, sc_dsp;
unsigned long long sc_mdhi, sc_mdlo;
unsigned long sc_hi1, sc_lo1, sc_hi2, sc_lo2, sc_hi3, sc_lo3;
};
#define NSIG 64
#endif
#endif
#define SIGHUP 1
#define SIGINT 2
#define SIGQUIT 3
#define SIGILL 4
#define SIGTRAP 5
#define SIGABRT 6
#define SIGIOT SIGABRT
#define SIGSTKFLT 7
#define SIGFPE 8
#define SIGKILL 9
#define SIGBUS 10
#define SIGSEGV 11
#define SIGSYS 12
#define SIGPIPE 13
#define SIGALRM 14
#define SIGTERM 15
#define SIGUSR1 16
#define SIGUSR2 17
#define SIGCHLD 18
#define SIGPWR 19
#define SIGWINCH 20
#define SIGURG 21
#define SIGIO 22
#define SIGPOLL SIGIO
#define SIGSTOP 23
#define SIGTSTP 24
#define SIGCONT 25
#define SIGTTIN 26
#define SIGTTOU 27
#define SIGVTALRM 28
#define SIGPROF 29
#define SIGXCPU 30
#define SIGXFSZ 31
#define SIGUNUSED SIGSYS
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