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netbsd32_compat_13.c revision 1.20 
      1 /*	$NetBSD: netbsd32_compat_13.c,v 1.20 2007/06/03 11:09:35 dsl Exp $	*/
      2 
      3 /*
      4  * Copyright (c) 1998, 2001 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/cdefs.h>
     32 __KERNEL_RCSID(0, "$NetBSD: netbsd32_compat_13.c,v 1.20 2007/06/03 11:09:35 dsl Exp $");
     33 
     34 #include <sys/param.h>
     35 #include <sys/systm.h>
     36 #include <sys/mount.h>
     37 #include <sys/proc.h>
     38 #include <sys/signal.h>
     39 #include <sys/signalvar.h>
     40 #include <sys/syscallargs.h>
     41 
     42 #include <compat/netbsd32/netbsd32.h>
     43 #include <compat/netbsd32/netbsd32_syscallargs.h>
     44 
     45 #include <compat/sys/stat.h>
     46 #include <compat/sys/signal.h>
     47 #include <compat/sys/signalvar.h>
     48 
     49 int
     50 compat_13_netbsd32_sigaltstack13(l, v, retval)
     51 	struct lwp *l;
     52 	void *v;
     53 	register_t *retval;
     54 {
     55 	struct compat_13_netbsd32_sigaltstack13_args /* {
     56 		syscallarg(const netbsd32_sigaltstack13p_t) nss;
     57 		syscallarg(netbsd32_sigaltstack13p_t) oss;
     58 	} */ *uap = v;
     59 	struct netbsd32_sigaltstack13 s32ss;
     60 	struct sigaltstack nbss, obss;
     61 	int error;
     62 
     63 	if (SCARG(uap, nss)) {
     64 		error = copyin(SCARG_P32(uap, nss), &s32ss, sizeof s32ss);
     65 		if (error)
     66 			return (error);
     67 		nss.ss_sp = s32ss.ss_sp;
     68 		nss.ss_size = s32ss.ss_size;
     69 		nss.ss_flags = s32ss.ss_flags;
     70 	}
     71 
     72 	error = sigaltstack1(l,
     73 	    SCARG(uap, nss) ? &nss : 0, SCARG(uap, oss) ? &oss : 0);
     74 	if (error)
     75 		return (error);
     76 
     77 	if (SCARG(uap, oss)) {
     78 		s32ss.ss_sp = oss.ss_sp;
     79 		s32ss.ss_size =onss.ss_size;
     80 		s32ss.ss_flags = oss.ss_flags;
     81 		error = copyout(&s32ss, SCARG_P32(uap, oss), sizeof(s32ss));
     82 		if (error)
     83 			return (error);
     84 	}
     85 	return (0);
     86 }
     87 
     88 
     89 int
     90 compat_13_netbsd32_sigprocmask(l, v, retval)
     91 	struct lwp *l;
     92 	void *v;
     93 	register_t *retval;
     94 {
     95 	struct compat_13_netbsd32_sigprocmask_args /* {
     96 		syscallarg(int) how;
     97 		syscallarg(int) mask;
     98 	} */ *uap = v;
     99 	sigset13_t ness, oess;
    100 	sigset_t nbss, obss;
    101 	int error;
    102 
    103 	ness = SCARG(uap, mask);
    104 	native_sigset13_to_sigset(&ness, &nbss);
    105 	error = sigprocmask1(l, SCARG(uap, how), &nbss, &obss);
    106 	if (error)
    107 		return (error);
    108 	native_sigset_to_sigset13(&obss, &oess);
    109 	*retval = oess;
    110 	return (0);
    111 }
    112 
    113 int
    114 compat_13_netbsd32_sigsuspend(l, v, retval)
    115 	struct lwp *l;
    116 	void *v;
    117 	register_t *retval;
    118 {
    119 	struct compat_13_netbsd32_sigsuspend_args /* {
    120 		syscallarg(sigset13_t) mask;
    121 	} */ *uap = v;
    122 	sigset13_t ess;
    123 	sigset_t bss;
    124 
    125 	ess = SCARG(uap, mask);
    126 	native_sigset13_to_sigset(&ess, &bss);
    127 	return (sigsuspend1(l, &bss));
    128 }
    129