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      1 /* 	$NetBSD: linux_signal.h,v 1.7 2008/04/28 20:23:42 martin Exp $	*/
      2 
      3 /*-
      4  * Copyright (c) 1998 The NetBSD Foundation, Inc.
      5  * All rights reserved.
      6  *
      7  * This code is derived from software contributed to The NetBSD Foundation
      8  * by Eric Haszlakiewicz.
      9  *
     10  * Redistribution and use in source and binary forms, with or without
     11  * modification, are permitted provided that the following conditions
     12  * are met:
     13  * 1. Redistributions of source code must retain the above copyright
     14  *    notice, this list of conditions and the following disclaimer.
     15  * 2. Redistributions in binary form must reproduce the above copyright
     16  *    notice, this list of conditions and the following disclaimer in the
     17  *    documentation and/or other materials provided with the distribution.
     18  *
     19  * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
     20  * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
     21  * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
     22  * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
     23  * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
     24  * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
     25  * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
     26  * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
     27  * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
     28  * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
     29  * POSSIBILITY OF SUCH DAMAGE.
     30  */
     31 
     32 /*
     33  * Whoever decided how linux would handle
     34  * binary compatibility should be shot.
     35  */
     36 
     37 #ifndef _M68K_LINUX_SIGNAL_H
     38 #define _M68K_LINUX_SIGNAL_H
     39 
     40 #define LINUX_SIGHUP	 1
     41 #define LINUX_SIGINT	 2
     42 #define LINUX_SIGQUIT	 3
     43 #define LINUX_SIGILL	 4
     44 #define LINUX_SIGTRAP	 5
     45 #define LINUX_SIGABRT	 6
     46 #define LINUX_SIGBUS	 7
     47 #define LINUX_SIGFPE	 8
     48 #define LINUX_SIGKILL	 9
     49 #define LINUX_SIGUSR1	10
     50 #define LINUX_SIGSEGV	11
     51 #define LINUX_SIGUSR2	12
     52 #define LINUX_SIGPIPE	13
     53 #define LINUX_SIGALRM	14
     54 #define LINUX_SIGTERM	15
     55 #define LINUX_SIGSTKFLT	16
     56 #define LINUX_SIGCHLD	17
     57 #define LINUX_SIGCONT	18
     58 #define LINUX_SIGSTOP	19
     59 #define LINUX_SIGTSTP	20
     60 #define LINUX_SIGTTIN	21
     61 #define LINUX_SIGTTOU	22
     62 #define LINUX_SIGURG	23
     63 #define LINUX_SIGXCPU	24
     64 #define LINUX_SIGXFSZ	25
     65 #define LINUX_SIGVTALRM	26
     66 #define LINUX_SIGPROF	27
     67 #define LINUX_SIGWINCH	28
     68 #define LINUX_SIGIO	29
     69 #define LINUX_SIGPWR	30
     70 #define LINUX_SIGUNUSED	31
     71 #define LINUX_SIGSYS	31
     72 
     73 #define LINUX_SIGIOT	LINUX_SIGABRT
     74 #define LINUX_SIGPOLL	LINUX_SIGIO
     75 
     76 /* Min/max real-time linux signal */
     77 #define LINUX_SIGRTMIN		32
     78 #define LINUX_SIGRTMAX		(LINUX__NSIG-1)
     79 
     80 #define LINUX__NSIG		64
     81 #define LINUX__NSIG_BPW		32
     82 #define LINUX__NSIG_WORDS	(LINUX__NSIG / LINUX__NSIG_BPW)
     83 #define LINUX_NSIG		32
     84 
     85 /* sa_flags */
     86 #define LINUX_SA_NOCLDSTOP	0x00000001
     87 #define LINUX_SA_NOCLDWAIT	0x00000002
     88 #define LINUX_SA_SIGINFO	0x00000004
     89 #define LINUX_SA_ONSTACK	0x08000000
     90 #define LINUX_SA_RESTART	0x10000000
     91 #define LINUX_SA_NODEFER	0x40000000
     92 #define LINUX_SA_RESETHAND	0x80000000
     93 
     94 #define LINUX_SA_NOMASK		LINUX_SA_NODEFER
     95 #define LINUX_SA_ONESHOT	LINUX_SA_RESETHAND
     96 #define LINUX_SA_INTERRUPT	0x20000000	/* Ignore this */
     97 
     98 #define LINUX_SA_ALLBITS	0xf8000007
     99 
    100 #define LINUX_SIG_BLOCK		0
    101 #define LINUX_SIG_UNBLOCK	1
    102 #define LINUX_SIG_SETMASK	2
    103 
    104 #define	LINUX_MINSIGSTKSZ	2048
    105 
    106 typedef void	(*linux_handler_t)(int);
    107 
    108 typedef u_long	linux_old_sigset_t;
    109 typedef struct {
    110 	u_long sig[LINUX__NSIG_WORDS];
    111 } linux_sigset_t;
    112 
    113 struct linux_old_sigaction {
    114 	linux_handler_t		linux_sa_handler;
    115 	linux_old_sigset_t	linux_sa_mask;
    116 	u_long			linux_sa_flags;
    117 	void			(*linux_sa_restorer)(void);
    118 };
    119 
    120 /* Used in rt_* calls */
    121 struct linux_sigaction {
    122 	linux_handler_t		linux_sa_handler;
    123 	u_long			linux_sa_flags;
    124 	void			(*linux_sa_restorer)(void);
    125 	linux_sigset_t		linux_sa_mask;
    126 };
    127 
    128 struct linux_k_sigaction {
    129 	struct linux_sigaction	sa;
    130 #define k_sa_restorer	sa.linux_sa_restorer
    131 };
    132 
    133 typedef struct linux_sigaltstack {
    134 	void			*ss_sp;
    135 	int			ss_flags;
    136 	size_t			ss_size;
    137 } linux_stack_t;
    138 
    139 /* ss_flags */
    140 #define LINUX_SS_ONSTACK	1
    141 #define LINUX_SS_DISABLE	2
    142 
    143 #endif /* !_M68K_LINUX_SIGNAL_H */
    144