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netbsd32_compat_13.c revision 1.4.2.1 
      1 /*	$NetBSD: netbsd32_compat_13.c,v 1.4.2.1 2000/11/20 18:08:27 bouyer Exp $	*/
      2 
      3 /*
      4  * Copyright (c) 1998 Matthew R. Green
      5  * All rights reserved.
      6  *
      7  * Redistribution and use in source and binary forms, with or without
      8  * modification, are permitted provided that the following conditions
      9  * are met:
     10  * 1. Redistributions of source code must retain the above copyright
     11  *    notice, this list of conditions and the following disclaimer.
     12  * 2. Redistributions in binary form must reproduce the above copyright
     13  *    notice, this list of conditions and the following disclaimer in the
     14  *    documentation and/or other materials provided with the distribution.
     15  * 3. The name of the author may not be used to endorse or promote products
     16  *    derived from this software without specific prior written permission.
     17  *
     18  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
     19  * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
     20  * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
     21  * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
     22  * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
     23  * BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
     24  * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED
     25  * AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
     26  * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
     27  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
     28  * SUCH DAMAGE.
     29  */
     30 
     31 #include <sys/param.h>
     32 #include <sys/systm.h>
     33 #include <sys/mount.h>
     34 #include <sys/proc.h>
     35 #include <sys/signal.h>
     36 #include <sys/signalvar.h>
     37 #include <sys/syscallargs.h>
     38 
     39 #include <compat/netbsd32/netbsd32.h>
     40 #include <compat/netbsd32/netbsd32_syscallargs.h>
     41 
     42 int
     43 compat_13_netbsd32_sigaltstack13(p, v, retval)
     44 	struct proc *p;
     45 	void *v;
     46 	register_t *retval;
     47 {
     48 	struct compat_13_netbsd32_sigaltstack13_args /* {
     49 		syscallarg(const netbsd32_sigaltstack13p_t) nss;
     50 		syscallarg(netbsd32_sigaltstack13p_t) oss;
     51 	} */ *uap = v;
     52 	struct compat_13_sys_sigaltstack_args ua;
     53 	struct sigaltstack13 nss13, oss13;
     54 	struct netbsd32_sigaltstack13 *s32nss13, *s32oss13;
     55 	int rv;
     56 
     57 	SCARG(&ua, nss) = &nss13;
     58 	SCARG(&ua, oss) = &oss13;
     59 
     60 	s32nss13 = (struct netbsd32_sigaltstack13 *)(u_long)SCARG(uap, nss);
     61 	s32oss13 = (struct netbsd32_sigaltstack13 *)(u_long)SCARG(uap, oss);
     62 
     63 	nss13.ss_sp = (char *)(u_long)s32nss13->ss_sp;
     64 	nss13.ss_size = s32nss13->ss_size;
     65 	nss13.ss_flags = s32nss13->ss_flags;
     66 
     67 	rv = compat_13_sys_sigaltstack(p, &ua, retval);
     68 
     69 	s32oss13->ss_sp = (netbsd32_charp)(u_long)oss13.ss_sp;
     70 	s32oss13->ss_size = oss13.ss_size;
     71 	s32oss13->ss_flags = oss13.ss_flags;
     72 
     73 	return (rv);
     74 }
     75 
     76 
     77 int
     78 compat_13_netbsd32_sigprocmask(p, v, retval)
     79 	struct proc *p;
     80 	void *v;
     81 	register_t *retval;
     82 {
     83 	struct compat_13_netbsd32_sigprocmask_args /* {
     84 		syscallarg(int) how;
     85 		syscallarg(int) mask;
     86 	} */ *uap = v;
     87 	sigset13_t ness, oess;
     88 	sigset_t nbss, obss;
     89 	int error;
     90 
     91 	ness = SCARG(uap, mask);
     92 	native_sigset13_to_sigset(&ness, &nbss);
     93 	error = sigprocmask1(p, SCARG(uap, how), &nbss, &obss);
     94 	if (error)
     95 		return (error);
     96 	native_sigset_to_sigset13(&obss, &oess);
     97 	*retval = oess;
     98 	return (0);
     99 }
    100 
    101 int
    102 compat_13_netbsd32_sigsuspend(p, v, retval)
    103 	struct proc *p;
    104 	void *v;
    105 	register_t *retval;
    106 {
    107 	struct compat_13_netbsd32_sigsuspend_args /* {
    108 		syscallarg(sigset13_t) mask;
    109 	} */ *uap = v;
    110 	sigset13_t ess;
    111 	sigset_t bss;
    112 
    113 	ess = SCARG(uap, mask);
    114 	native_sigset13_to_sigset(&ess, &bss);
    115 	return (sigsuspend1(p, &bss));
    116 }
    117