/* $NetBSD: linux_signal.h,v 1.16 2008/04/28 20:23:42 martin Exp $ */

/* $NetBSD: linux_signal.h,v 1.16 2008/04/28 20:23:42 martin Exp $ */

/*-
* Copyright (c) 1995, 1998 The NetBSD Foundation, Inc.
* All rights reserved.
*
* This code is derived from software contributed to The NetBSD Foundation
* by Frank van der Linden and Eric Haszlakiewicz.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
*
* THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
* ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
* TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
* BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
* POSSIBILITY OF SUCH DAMAGE.
*/

#ifndef _I386_LINUX_SIGNAL_H
#define _I386_LINUX_SIGNAL_H

#define LINUX_SIGHUP 1
#define LINUX_SIGINT 2
#define LINUX_SIGQUIT 3
#define LINUX_SIGILL 4
#define LINUX_SIGTRAP 5
#define LINUX_SIGABRT 6
#define LINUX_SIGIOT 6
#define LINUX_SIGBUS 7
#define LINUX_SIGFPE 8
#define LINUX_SIGKILL 9
#define LINUX_SIGUSR1 10
#define LINUX_SIGSEGV 11
#define LINUX_SIGUSR2 12
#define LINUX_SIGPIPE 13
#define LINUX_SIGALRM 14
#define LINUX_SIGTERM 15
#define LINUX_SIGSTKFLT 16
#define LINUX_SIGCHLD 17
#define LINUX_SIGCONT 18
#define LINUX_SIGSTOP 19
#define LINUX_SIGTSTP 20
#define LINUX_SIGTTIN 21
#define LINUX_SIGTTOU 22
#define LINUX_SIGURG 23
#define LINUX_SIGXCPU 24
#define LINUX_SIGXFSZ 25
#define LINUX_SIGVTALRM 26
#define LINUX_SIGPROF 27
#define LINUX_SIGWINCH 28
#define LINUX_SIGIO 29
#define LINUX_SIGPWR 30
#define LINUX_SIGSYS 31
#define LINUX_SIGUNUSED 31
#define LINUX_NSIG 32

/* Min/max real-time linux signal */
#define LINUX_SIGRTMIN 32
#define LINUX_SIGRTMAX (LINUX__NSIG - 1)

#define LINUX__NSIG 64
#define LINUX__NSIG_BPW 32
#define LINUX__NSIG_WORDS (LINUX__NSIG / LINUX__NSIG_BPW)

#define LINUX_SIG_BLOCK 0
#define LINUX_SIG_UNBLOCK 1
#define LINUX_SIG_SETMASK 2

/* sa_flags */
#define LINUX_SA_NOCLDSTOP 0x00000001
#define LINUX_SA_NOCLDWAIT 0x00000002
#define LINUX_SA_SIGINFO 0x00000004
#define LINUX_SA_RESTORER 0x04000000
#define LINUX_SA_ONSTACK 0x08000000
#define LINUX_SA_RESTART 0x10000000
#define LINUX_SA_INTERRUPT 0x20000000
#define LINUX_SA_NOMASK 0x40000000
#define LINUX_SA_ONESHOT 0x80000000
#define LINUX_SA_ALLBITS 0xfc000007

#define LINUX_MINSIGSTKSZ 2048

typedef void (*linux_handler_t)(int);

typedef unsigned long linux_old_sigset_t;
typedef struct {
unsigned long sig[LINUX__NSIG_WORDS];
} linux_sigset_t;

struct linux_old_sigaction {
linux_handler_t linux_sa_handler;
linux_old_sigset_t linux_sa_mask;
unsigned long linux_sa_flags;
void (*linux_sa_restorer)(void);
};

/* Used in rt_* calls */
struct linux_sigaction {
linux_handler_t linux_sa_handler;
unsigned long linux_sa_flags;
void (*linux_sa_restorer)(void);
linux_sigset_t linux_sa_mask;
};

struct linux_k_sigaction {
struct linux_sigaction sa;
#define k_sa_restorer sa.linux_sa_restorer
};

#define LINUX_SS_ONSTACK 1
#define LINUX_SS_DISABLE 2

#define LINUX_MINSIGSTKSZ 2048
#define LINUX_SIGSTKSZ 8192

struct linux_sigaltstack {
void *ss_sp;
int ss_flags;
size_t ss_size;
};

#endif /* !_I386_LINUX_SIGNAL_H */