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#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
typedef unsigned long __riscv_mc_gp_state[32];
struct __riscv_mc_f_ext_state {
unsigned int __f[32];
unsigned int __fcsr;
};
struct __riscv_mc_d_ext_state {
unsigned long long __f[32];
unsigned int __fcsr;
};
struct __riscv_mc_q_ext_state {
unsigned long long __f[64] __attribute__((aligned(16)));
unsigned int __fcsr;
unsigned int __reserved[3];
};
union __riscv_mc_fp_state {
struct __riscv_mc_f_ext_state __f;
struct __riscv_mc_d_ext_state __d;
struct __riscv_mc_q_ext_state __q;
};
typedef struct mcontext_t {
__riscv_mc_gp_state __gregs;
union __riscv_mc_fp_state __fpregs;
} mcontext_t;
#if defined(_GNU_SOURCE)
#define REG_PC 0
#define REG_RA 1
#define REG_SP 2
#define REG_TP 4
#define REG_S0 8
#define REG_A0 10
#endif
#if defined(_GNU_SOURCE) || defined(_BSD_SOURCE)
typedef unsigned long greg_t;
typedef unsigned long gregset_t[32];
typedef union __riscv_mc_fp_state fpregset_t;
struct sigcontext {
gregset_t gregs;
fpregset_t fpregs;
};
#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;
sigset_t uc_sigmask;
mcontext_t uc_mcontext;
} 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 SIGIO
#define SIGPWR 30
#define SIGSYS 31
#define SIGUNUSED SIGSYS
#define _NSIG 65
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