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      1 /* 	$NetBSD: linux_signal.h,v 1.34 2021/11/01 05:07:16 thorpej 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 _LINUX_SIGNAL_H
     33 #define _LINUX_SIGNAL_H
     34 
     35 #if defined(__i386__)
     36 #include <compat/linux/arch/i386/linux_signal.h>
     37 #elif defined(__m68k__)
     38 #include <compat/linux/arch/m68k/linux_signal.h>
     39 #elif defined(__alpha__)
     40 #include <compat/linux/arch/alpha/linux_signal.h>
     41 #elif defined(__powerpc__)
     42 #include <compat/linux/arch/powerpc/linux_signal.h>
     43 #elif defined(__mips__)
     44 #include <compat/linux/arch/mips/linux_signal.h>
     45 #elif defined(__aarch64__)
     46 #include <compat/linux/arch/aarch64/linux_signal.h>
     47 #elif defined(__arm__)
     48 #include <compat/linux/arch/arm/linux_signal.h>
     49 #elif defined(__amd64__)
     50 #include <compat/linux/arch/amd64/linux_signal.h>
     51 #else
     52 typedef void linux_sigset_t;
     53 #endif
     54 
     55 typedef struct {
     56 	linux_sigset_t *ss;
     57 	size_t ss_len;
     58 } linux_sized_sigset_t;
     59 
     60 #ifdef _KERNEL
     61 extern const int native_to_linux_signo[];
     62 extern const int linux_to_native_signo[];
     63 __BEGIN_DECLS
     64 #if !defined(__aarch64__)
     65 int linux_sigprocmask1(struct lwp *, int, const linux_old_sigset_t *,
     66 						linux_old_sigset_t *);
     67 #endif
     68 
     69 #if LINUX__NSIG_WORDS > 1
     70 void linux_old_extra_to_native_sigset(sigset_t *,
     71     const linux_old_sigset_t *, const unsigned long *);
     72 void native_to_linux_old_extra_sigset(linux_old_sigset_t *,
     73     unsigned long *, const sigset_t *);
     74 #define linux_old_to_native_sigset(x,y) \
     75     linux_old_extra_to_native_sigset(x, y, (const unsigned long *)0)
     76 #define native_to_linux_old_sigset(x,y) \
     77     native_to_linux_old_extra_sigset(x, (unsigned long *)0, y)
     78 
     79 #else	/* LINUX__NSIG_WORDS == 1 */
     80 
     81 /* XXXmanu (const linux_sigset_t *)(void *) temporary hack to get it building */
     82 #define linux_old_to_native_sigset(x,y) \
     83     linux_to_native_sigset(x, (const linux_sigset_t *)(const void *)y)
     84 #define native_to_linux_old_sigset(x,y) \
     85     native_to_linux_sigset((linux_sigset_t *)(void *)x, y)
     86 #endif
     87 
     88 void linux_to_native_sigset(sigset_t *, const linux_sigset_t *);
     89 void native_to_linux_sigset(linux_sigset_t *, const sigset_t *);
     90 int linux_to_native_sigflags(const unsigned long);
     91 unsigned int native_to_linux_sigflags(const int);
     92 
     93 #if !defined(__aarch64__)
     94 void linux_old_to_native_sigaction(struct sigaction *,
     95     const struct linux_old_sigaction *);
     96 void native_to_linux_old_sigaction(struct linux_old_sigaction *,
     97     const struct sigaction *);
     98 #endif
     99 
    100 void linux_to_native_sigaction(struct sigaction *,
    101     const struct linux_sigaction *);
    102 void native_to_linux_sigaction(struct linux_sigaction *,
    103     const struct sigaction *);
    104 
    105 void native_to_linux_sigaltstack(struct linux_sigaltstack *, const stack_t *);
    106 
    107 int native_to_linux_si_code(int);
    108 int native_to_linux_si_status(int, int);
    109 
    110 __END_DECLS
    111 #endif /* !_KERNEL */
    112 
    113 #endif /* !_LINUX_SIGNAL_H */
    114