#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	4096

#define SIGSTKSZ	8192

#endif

typedef struct {

	unsigned long	uc_ctrl_word;		/* 0x000 */

	unsigned long	uc_status_word;		/* 0x004 */

	unsigned long	uc_tag_word;		/* 0x008 */

	unsigned long	uc_error_offset;	/* 0x00c */

	unsigned long	uc_error_selector;	/* 0x010 */

	unsigned long	uc_data_offset;		/* 0x014 */

	unsigned long	uc_data_selector;	/* 0x018 */

	unsigned char 	uc_reg_area[80];	/* 0x01c */

	unsigned long	uc_cr0_npx_state;	/* 0x06c */

} uc_xsave_fmt_t;

typedef struct {

	unsigned long	uc_context_flags;	/* 0x000 */

	unsigned long	uc_dr0;			/* 0x004 */

	unsigned long	uc_dr1;			/* 0x008 */

	unsigned long	uc_dr2;			/* 0x00c */

	unsigned long	uc_dr3;			/* 0x010 */

	unsigned long	uc_dr6;			/* 0x014 */

	unsigned long	uc_dr7;			/* 0x018 */

	uc_xsave_fmt_t	uc_float_save;		/* 0x01c */

	unsigned long	uc_seg_gs; 		/* 0x08c */

	unsigned long	uc_seg_fs; 		/* 0x090 */

	unsigned long	uc_seg_es;		/* 0x094 */

	unsigned long	uc_seg_ds;		/* 0x098 */

	unsigned long	uc_edi;			/* 0x09c */

	unsigned long	uc_esi;			/* 0x0a0 */

	unsigned long	uc_ebx;			/* 0x0a4 */

	unsigned long	uc_edx;			/* 0x0a8 */

	unsigned long	uc_ecx;			/* 0x0ac */

	unsigned long	uc_eax;			/* 0x0b0 */

	unsigned long	uc_ebp;			/* 0x0b4 */

	unsigned long	uc_eip;			/* 0x0b8 */

	unsigned long	uc_seg_cs; 		/* 0x0bc */

	unsigned long	uc_eflags;		/* 0x0c0 */

	unsigned long	uc_esp;			/* 0x0c4 */

	unsigned long	uc_seg_ss;		/* 0x0c8 */

	unsigned char	uc_extended_regs[512];	/* 0x0cc */

} mcontext_t;

struct sigaltstack {

	void *	ss_sp;

	int	ss_flags;

	size_t	ss_size;

};

typedef struct __ucontext {

	unsigned int		uc_csize;

	unsigned int		uc_msize;

	unsigned int		uc_pad[2];

	unsigned long		uc_flags;

	unsigned long		uc_opaquef[3];

	unsigned int		uc_opaquec[8];

	unsigned long		uc_reserved[32];

	unsigned long		uc_align[2];

	stack_t			uc_stack;

	struct __ucontext *	uc_link;

	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   29

#define SIGPWR    30

#define SIGSYS    31

#define SIGUNUSED SIGSYS

#define _NSIG 65