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      1 /* 	$NetBSD: linux_signal.h,v 1.9 2008/04/28 20:23:42 martin Exp $	*/
      2 
      3 /*-
      4  * Copyright (c) 1995, 1998 The NetBSD Foundation, Inc.
      5  * All rights reserved.
      6  *
      7  * This code is derived from software contributed to The NetBSD Foundation
      8  * by Frank van der Linden and 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 #ifndef _ARM_LINUX_SIGNAL_H
     33 #define _ARM_LINUX_SIGNAL_H
     34 
     35 #define LINUX_SIGHUP	 1
     36 #define LINUX_SIGINT	 2
     37 #define LINUX_SIGQUIT	 3
     38 #define LINUX_SIGILL	 4
     39 #define LINUX_SIGTRAP	 5
     40 #define LINUX_SIGABRT	 6
     41 #define LINUX_SIGIOT	 6
     42 #define LINUX_SIGBUS	 7
     43 #define LINUX_SIGFPE	 8
     44 #define LINUX_SIGKILL	 9
     45 #define LINUX_SIGUSR1	10
     46 #define LINUX_SIGSEGV	11
     47 #define LINUX_SIGUSR2	12
     48 #define LINUX_SIGPIPE	13
     49 #define LINUX_SIGALRM	14
     50 #define LINUX_SIGTERM	15
     51 #define LINUX_SIGSTKFLT	16
     52 #define LINUX_SIGCHLD	17
     53 #define LINUX_SIGCONT	18
     54 #define LINUX_SIGSTOP	19
     55 #define LINUX_SIGTSTP	20
     56 #define LINUX_SIGTTIN	21
     57 #define LINUX_SIGTTOU	22
     58 #define LINUX_SIGURG	23
     59 #define LINUX_SIGXCPU	24
     60 #define LINUX_SIGXFSZ	25
     61 #define LINUX_SIGVTALRM	26
     62 #define LINUX_SIGPROF	27
     63 #define LINUX_SIGWINCH	28
     64 #define LINUX_SIGIO	29
     65 #define LINUX_SIGPWR	30
     66 #define LINUX_SIGSYS	31
     67 #define LINUX_SIGUNUSED	31
     68 #define LINUX_NSIG	32
     69 
     70 /* Min/max real-time linux signal */
     71 #define LINUX_SIGRTMIN		32
     72 #define LINUX_SIGRTMAX		(LINUX__NSIG - 1)
     73 
     74 #define LINUX__NSIG 		64
     75 #define LINUX__NSIG_BPW		32
     76 #define LINUX__NSIG_WORDS	(LINUX__NSIG / LINUX__NSIG_BPW)
     77 
     78 #define LINUX_SIG_BLOCK		0
     79 #define LINUX_SIG_UNBLOCK	1
     80 #define LINUX_SIG_SETMASK	2
     81 
     82 /* sa_flags */
     83 #define LINUX_SA_NOCLDSTOP	0x00000001
     84 #define LINUX_SA_NOCLDWAIT	0x00000002
     85 #define LINUX_SA_SIGINFO	0x00000004
     86 #define LINUX_SA_RESTORER	0x04000000
     87 #define LINUX_SA_ONSTACK	0x08000000
     88 #define LINUX_SA_RESTART	0x10000000
     89 #define LINUX_SA_INTERRUPT	0x20000000
     90 #define LINUX_SA_NOMASK		0x40000000
     91 #define LINUX_SA_ONESHOT	0x80000000
     92 #define LINUX_SA_ALLBITS	0xfc000007
     93 
     94 #define LINUX_MINSIGSTKSZ	2048
     95 
     96 typedef void	(*linux_handler_t)(int);
     97 
     98 typedef u_long	linux_old_sigset_t;
     99 typedef struct {
    100 	u_long sig[LINUX__NSIG_WORDS];
    101 } linux_sigset_t;
    102 
    103 struct linux_old_sigaction {
    104 	linux_handler_t		linux_sa_handler;
    105 	linux_old_sigset_t	linux_sa_mask;
    106 	u_long			linux_sa_flags;
    107 	void			(*linux_sa_restorer)(void);
    108 };
    109 
    110 /* Used in rt_* calls */
    111 struct linux_sigaction {
    112 	linux_handler_t		linux_sa_handler;
    113 	u_long			linux_sa_flags;
    114 	void			(*linux_sa_restorer)(void);
    115 	linux_sigset_t		linux_sa_mask;
    116 };
    117 
    118 struct linux_k_sigaction {
    119 	struct linux_sigaction sa;
    120 #define k_sa_restorer	sa.linux_sa_restorer
    121 };
    122 
    123 #define	LINUX_SS_ONSTACK	1
    124 #define	LINUX_SS_DISABLE	2
    125 
    126 #define	LINUX_MINSIGSTKSZ	2048
    127 #define	LINUX_SIGSTKSZ		8192
    128 
    129 struct linux_sigaltstack {
    130 	void *ss_sp;
    131 	int ss_flags;
    132 	size_t ss_size;
    133 };
    134 
    135 #endif /* !_ARM_LINUX_SIGNAL_H */
    136