#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
#if defined(_GNU_SOURCE) || defined(_BSD_SOURCE)
typedef unsigned long long greg_t, gregset_t[32];
typedef struct {
union {
double fp_dregs[32];
struct {
float _fp_fregs;
unsigned _fp_pad;
} fp_fregs[32];
} fp_r;
} fpregset_t;
struct sigcontext {
unsigned sc_regmask, sc_status;
unsigned long long sc_pc;
gregset_t sc_regs;
fpregset_t sc_fpregs;
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;
};
typedef struct {
unsigned regmask, status;
unsigned long long pc;
gregset_t gregs;
fpregset_t fpregs;
unsigned ownedfp, fpc_csr, fpc_eir, used_math, dsp;
unsigned long long mdhi, mdlo;
unsigned long hi1, lo1, hi2, lo2, hi3, lo3;
} mcontext_t;
#else
typedef struct {
unsigned __mc1[2];
unsigned long long __mc2[65];
unsigned __mc3[5];
unsigned long long __mc4[2];
unsigned __mc5[6];
} mcontext_t;
#endif
struct sigaltstack {
void *ss_sp;
size_t ss_size;
int ss_flags;
};
typedef struct __ucontext {
unsigned long uc_flags;
struct __ucontext *uc_link;
stack_t uc_stack;
mcontext_t uc_mcontext;
sigset_t uc_sigmask;
} ucontext_t;
#define SA_NOCLDSTOP 1
#define SA_NOCLDWAIT 0x10000
#define SA_SIGINFO 8
#define SA_ONSTACK 0x08000000
#define SA_RESTART 0x10000000
#define SA_NODEFER 0x40000000
#define SA_RESETHAND 0x80000000
#define SA_RESTORER 0x04000000
#undef SIG_BLOCK
#undef SIG_UNBLOCK
#undef SIG_SETMASK
#define SIG_BLOCK 1
#define SIG_UNBLOCK 2
#define SIG_SETMASK 3
#undef SI_ASYNCIO
#undef SI_MESGQ
#undef SI_TIMER
#define SI_ASYNCIO (-2)
#define SI_MESGQ (-4)
#define SI_TIMER (-3)
#define __SI_SWAP_ERRNO_CODE
#endif
#define SIGHUP 1
#define SIGINT 2
#define SIGQUIT 3
#define SIGILL 4
#define SIGTRAP 5
#define SIGABRT 6
#define SIGIOT SIGABRT
#define SIGEMT 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
#define _NSIG 128
