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linux_signal.h revision 1.6 
      1 /* 	$NetBSD: linux_signal.h,v 1.6 2005/09/19 02:46:49 christos 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  * 3. All advertising materials mentioning features or use of this software
     19  *    must display the following acknowledgement:
     20  *	This product includes software developed by the NetBSD
     21  *	Foundation, Inc. and its contributors.
     22  * 4. Neither the name of The NetBSD Foundation nor the names of its
     23  *    contributors may be used to endorse or promote products derived
     24  *    from this software without specific prior written permission.
     25  *
     26  * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
     27  * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
     28  * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
     29  * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
     30  * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
     31  * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
     32  * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
     33  * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
     34  * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
     35  * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
     36  * POSSIBILITY OF SUCH DAMAGE.
     37  */
     38 
     39 #ifndef _ARM_LINUX_SIGNAL_H
     40 #define _ARM_LINUX_SIGNAL_H
     41 
     42 #define LINUX_SIGHUP	 1
     43 #define LINUX_SIGINT	 2
     44 #define LINUX_SIGQUIT	 3
     45 #define LINUX_SIGILL	 4
     46 #define LINUX_SIGTRAP	 5
     47 #define LINUX_SIGABRT	 6
     48 #define LINUX_SIGIOT	 6
     49 #define LINUX_SIGBUS	 7
     50 #define LINUX_SIGFPE	 8
     51 #define LINUX_SIGKILL	 9
     52 #define LINUX_SIGUSR1	10
     53 #define LINUX_SIGSEGV	11
     54 #define LINUX_SIGUSR2	12
     55 #define LINUX_SIGPIPE	13
     56 #define LINUX_SIGALRM	14
     57 #define LINUX_SIGTERM	15
     58 #define LINUX_SIGSTKFLT	16
     59 #define LINUX_SIGCHLD	17
     60 #define LINUX_SIGCONT	18
     61 #define LINUX_SIGSTOP	19
     62 #define LINUX_SIGTSTP	20
     63 #define LINUX_SIGTTIN	21
     64 #define LINUX_SIGTTOU	22
     65 #define LINUX_SIGURG	23
     66 #define LINUX_SIGXCPU	24
     67 #define LINUX_SIGXFSZ	25
     68 #define LINUX_SIGVTALRM	26
     69 #define LINUX_SIGPROF	27
     70 #define LINUX_SIGWINCH	28
     71 #define LINUX_SIGIO	29
     72 #define LINUX_SIGPWR	30
     73 #define LINUX_SIGSYS	31
     74 #define LINUX_SIGUNUSED	31
     75 #define LINUX_NSIG	32
     76 
     77 /* Min/max real-time linux signal */
     78 #define LINUX_SIGRTMIN		32
     79 #define LINUX_SIGRTMAX		(LINUX__NSIG - 1)
     80 
     81 #define LINUX__NSIG 		64
     82 #define LINUX__NSIG_BPW		32
     83 #define LINUX__NSIG_WORDS	(LINUX__NSIG / LINUX__NSIG_BPW)
     84 
     85 #define LINUX_SIG_BLOCK		0
     86 #define LINUX_SIG_UNBLOCK	1
     87 #define LINUX_SIG_SETMASK	2
     88 
     89 /* sa_flags */
     90 #define LINUX_SA_NOCLDSTOP	0x00000001
     91 #define LINUX_SA_NOCLDWAIT	0x00000002
     92 #define LINUX_SA_SIGINFO	0x00000004
     93 #define LINUX_SA_RESTORER	0x04000000
     94 #define LINUX_SA_ONSTACK	0x08000000
     95 #define LINUX_SA_RESTART	0x10000000
     96 #define LINUX_SA_INTERRUPT	0x20000000
     97 #define LINUX_SA_NOMASK		0x40000000
     98 #define LINUX_SA_ONESHOT	0x80000000
     99 #define LINUX_SA_ALLBITS	0xfc000007
    100 
    101 #define LINUX_MINSIGSTKSZ	2048
    102 
    103 typedef void	(*linux_handler_t) __P((int));
    104 
    105 typedef u_long	linux_old_sigset_t;
    106 typedef struct {
    107 	u_long sig[LINUX__NSIG_WORDS];
    108 } linux_sigset_t;
    109 
    110 struct linux_old_sigaction {
    111 	linux_handler_t		linux_sa_handler;
    112 	linux_old_sigset_t	linux_sa_mask;
    113 	u_long			linux_sa_flags;
    114 	void			(*linux_sa_restorer) __P((void));
    115 };
    116 
    117 /* Used in rt_* calls */
    118 struct linux_sigaction {
    119 	linux_handler_t		linux_sa_handler;
    120 	u_long			linux_sa_flags;
    121 	void			(*linux_sa_restorer) __P((void));
    122 	linux_sigset_t		linux_sa_mask;
    123 };
    124 
    125 struct linux_k_sigaction {
    126 	struct linux_sigaction sa;
    127 #define k_sa_restorer	sa.linux_sa_restorer
    128 };
    129 
    130 #define	LINUX_SS_ONSTACK	1
    131 #define	LINUX_SS_DISABLE	2
    132 
    133 #define	LINUX_MINSIGSTKSZ	2048
    134 #define	LINUX_SIGSTKSZ		8192
    135 
    136 struct linux_sigaltstack {
    137 	void *ss_sp;
    138 	int ss_flags;
    139 	size_t ss_size;
    140 };
    141 
    142 #endif /* !_ARM_LINUX_SIGNAL_H */
    143