#ifndef _UAPI_ASMAXP_SIGNAL_H
#define _UAPI_ASMAXP_SIGNAL_H

#include <linux/types.h>

/* Avoid too many header ordering problems. */
struct siginfo;

#ifndef __KERNEL__
/* Here we must cater to libcs that poke about in kernel headers. */

#define NSIG 32
typedef unsigned long sigset_t;

#endif /* __KERNEL__ */


/*
* Linux/AXP has different signal numbers that Linux/i386: I'm trying
* to make it OSF/1 binary compatible, at least for normal binaries.
*/
#define SIGHUP 1
#define SIGINT 2
#define SIGQUIT 3
#define SIGILL 4
#define SIGTRAP 5
#define SIGABRT 6
#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 SIGURG 16
#define SIGSTOP 17
#define SIGTSTP 18
#define SIGCONT 19
#define SIGCHLD 20
#define SIGTTIN 21
#define SIGTTOU 22
#define SIGIO 23
#define SIGXCPU 24
#define SIGXFSZ 25
#define SIGVTALRM 26
#define SIGPROF 27
#define SIGWINCH 28
#define SIGINFO 29
#define SIGUSR1 30
#define SIGUSR2 31

#define SIGPOLL SIGIO
#define SIGPWR SIGINFO
#define SIGIOT SIGABRT

/* These should not be considered constants from userland. */
#define SIGRTMIN 32
#define SIGRTMAX _NSIG

/*
* SA_FLAGS values:
*
* SA_ONSTACK indicates that a registered stack_t will be used.
* SA_RESTART flag to get restarting signals (which were the default long ago)
* SA_NOCLDSTOP flag to turn off SIGCHLD when children stop.
* SA_RESETHAND clears the handler when the signal is delivered.
* SA_NOCLDWAIT flag on SIGCHLD to inhibit zombies.
* SA_NODEFER prevents the current signal from being masked in the handler.
*
* SA_ONESHOT and SA_NOMASK are the historical Linux names for the Single
* Unix names RESETHAND and NODEFER respectively.
*/

#define SA_ONSTACK 0x00000001
#define SA_RESTART 0x00000002
#define SA_NOCLDSTOP 0x00000004
#define SA_NODEFER 0x00000008
#define SA_RESETHAND 0x00000010
#define SA_NOCLDWAIT 0x00000020
#define SA_SIGINFO 0x00000040

#define SA_ONESHOT SA_RESETHAND
#define SA_NOMASK SA_NODEFER

#define MINSIGSTKSZ 4096
#define SIGSTKSZ 16384

#define SIG_BLOCK 1 /* for blocking signals */
#define SIG_UNBLOCK 2 /* for unblocking signals */
#define SIG_SETMASK 3 /* for setting the signal mask */

#include <asm-generic/signal-defs.h>

#ifndef __KERNEL__
/* Here we must cater to libcs that poke about in kernel headers. */

struct sigaction {
union {
__sighandler_t _sa_handler;
void (*_sa_sigaction)(int, struct siginfo *, void *);
} _u;
sigset_t sa_mask;
int sa_flags;
};

#define sa_handler _u._sa_handler
#define sa_sigaction _u._sa_sigaction

#endif /* __KERNEL__ */

typedef struct sigaltstack {
void __user *ss_sp;
int ss_flags;
size_t ss_size;
} stack_t;

/* sigstack(2) is deprecated, and will be withdrawn in a future version
of the X/Open CAE Specification. Use sigaltstack instead. It is only
implemented here for OSF/1 compatibility. */

struct sigstack {
void __user *ss_sp;
int ss_onstack;
};


#endif /* _UAPI_ASMAXP_SIGNAL_H */