/* SPDX-License-Identifier: GPL-2.0 WITH Linux-syscall-note */
#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

#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;
        __kernel_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 */