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netbsd32_signal.c revision 1.1.4.4
      1 /*	$NetBSD: netbsd32_signal.c,v 1.1.4.4 2002/11/11 22:07:55 nathanw 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_signal.c,v 1.1.4.4 2002/11/11 22:07:55 nathanw Exp $");
     33 
     34 #include <sys/param.h>
     35 #include <sys/systm.h>
     36 #include <sys/malloc.h>
     37 #include <sys/mount.h>
     38 #include <sys/stat.h>
     39 #include <sys/time.h>
     40 #include <sys/signalvar.h>
     41 #include <sys/proc.h>
     42 
     43 #include <compat/netbsd32/netbsd32.h>
     44 #include <compat/netbsd32/netbsd32_syscallargs.h>
     45 
     46 int
     47 netbsd32_sigaction(l, v, retval)
     48 	struct lwp *l;
     49 	void *v;
     50 	register_t *retval;
     51 {
     52 	struct netbsd32_sigaction_args /* {
     53 		syscallarg(int) signum;
     54 		syscallarg(const netbsd32_sigactionp_t) nsa;
     55 		syscallarg(netbsd32_sigactionp_t) osa;
     56 	} */ *uap = v;
     57 	struct sigaction nsa, osa;
     58 	struct netbsd32_sigaction *sa32p, sa32;
     59 	int error;
     60 
     61 	if (SCARG(uap, nsa)) {
     62 		sa32p =
     63 		    (struct netbsd32_sigaction *)NETBSD32PTR64(SCARG(uap, nsa));
     64 		if (copyin(sa32p, &sa32, sizeof(sa32)))
     65 			return EFAULT;
     66 		nsa.sa_handler = (void *)NETBSD32PTR64(sa32.sa_handler);
     67 		nsa.sa_mask = sa32.sa_mask;
     68 		nsa.sa_flags = sa32.sa_flags;
     69 	}
     70 	error = sigaction1(l->l_proc, SCARG(uap, signum),
     71 			   SCARG(uap, nsa) ? &nsa : 0,
     72 			   SCARG(uap, osa) ? &osa : 0,
     73 			   NULL, 0);
     74 
     75 	if (error)
     76 		return (error);
     77 
     78 	if (SCARG(uap, osa)) {
     79 		sa32.sa_handler = (netbsd32_sigactionp_t)(u_long)osa.sa_handler;
     80 		sa32.sa_mask = osa.sa_mask;
     81 		sa32.sa_flags = osa.sa_flags;
     82 		sa32p =
     83 		    (struct netbsd32_sigaction *)NETBSD32PTR64(SCARG(uap, osa));
     84 		if (copyout(&sa32, sa32p, sizeof(sa32)))
     85 			return EFAULT;
     86 	}
     87 
     88 	return (0);
     89 }
     90 
     91 int
     92 netbsd32___sigaltstack14(l, v, retval)
     93 	struct lwp *l;
     94 	void *v;
     95 	register_t *retval;
     96 {
     97 	struct netbsd32___sigaltstack14_args /* {
     98 		syscallarg(const netbsd32_sigaltstackp_t) nss;
     99 		syscallarg(netbsd32_sigaltstackp_t) oss;
    100 	} */ *uap = v;
    101 	struct netbsd32_sigaltstack s32;
    102 	struct sigaltstack nss, oss;
    103 	int error;
    104 
    105 	if (SCARG(uap, nss)) {
    106 		error = copyin((caddr_t)NETBSD32PTR64(SCARG(uap, nss)), &s32,
    107 		    sizeof(s32));
    108 		if (error)
    109 			return (error);
    110 		nss.ss_sp = (void *)NETBSD32PTR64(s32.ss_sp);
    111 		nss.ss_size = (size_t)s32.ss_size;
    112 		nss.ss_flags = s32.ss_flags;
    113 	}
    114 	error = sigaltstack1(l->l_proc,
    115 	    SCARG(uap, nss) ? &nss : 0, SCARG(uap, oss) ? &oss : 0);
    116 	if (error)
    117 		return (error);
    118 	if (SCARG(uap, oss)) {
    119 		s32.ss_sp = (netbsd32_voidp)(u_long)oss.ss_sp;
    120 		s32.ss_size = (netbsd32_size_t)oss.ss_size;
    121 		s32.ss_flags = oss.ss_flags;
    122 		error = copyout(&s32, (caddr_t)NETBSD32PTR64(SCARG(uap, oss)),
    123 		    sizeof(s32));
    124 		if (error)
    125 			return (error);
    126 	}
    127 	return (0);
    128 }
    129 
    130 /* ARGSUSED */
    131 int
    132 netbsd32___sigaction14(l, v, retval)
    133 	struct lwp *l;
    134 	void *v;
    135 	register_t *retval;
    136 {
    137 	struct netbsd32___sigaction14_args /* {
    138 		syscallarg(int) signum;
    139 		syscallarg(const struct sigaction *) nsa;
    140 		syscallarg(struct sigaction *) osa;
    141 	} */ *uap = v;
    142 	struct netbsd32_sigaction sa32;
    143 	struct sigaction nsa, osa;
    144 	int error;
    145 
    146 	if (SCARG(uap, nsa)) {
    147 		error = copyin((caddr_t)NETBSD32PTR64(SCARG(uap, nsa)), &sa32,
    148 		    sizeof(sa32));
    149 		if (error)
    150 			return (error);
    151 		nsa.sa_handler = (void *)NETBSD32PTR64(sa32.sa_handler);
    152 		nsa.sa_mask = sa32.sa_mask;
    153 		nsa.sa_flags = sa32.sa_flags;
    154 	}
    155 	error = sigaction1(l->l_proc, SCARG(uap, signum),
    156 	    SCARG(uap, nsa) ? &nsa : 0, SCARG(uap, osa) ? &osa : 0,
    157 	    NULL, 0);
    158 	if (error)
    159 		return (error);
    160 	if (SCARG(uap, osa)) {
    161 		sa32.sa_handler = (netbsd32_voidp)(u_long)osa.sa_handler;
    162 		sa32.sa_mask = osa.sa_mask;
    163 		sa32.sa_flags = osa.sa_flags;
    164 		error = copyout(&sa32, (caddr_t)NETBSD32PTR64(SCARG(uap, osa)),
    165 		    sizeof(sa32));
    166 		if (error)
    167 			return (error);
    168 	}
    169 	return (0);
    170 }
    171 
    172 /* ARGSUSED */
    173 int
    174 netbsd32___sigaction_sigtramp(p, v, retval)
    175 	struct proc *p;
    176 	void *v;
    177 	register_t *retval;
    178 {
    179 	struct netbsd32___sigaction_sigtramp_args /* {
    180 		syscallarg(int) signum;
    181 		syscallarg(const netbsd32_sigactionp_t) nsa;
    182 		syscallarg(netbsd32_sigactionp_t) osa;
    183 		syscallarg(netbsd32_voidp) tramp;
    184 		syscallarg(int) vers;
    185 	} */ *uap = v;
    186 	struct netbsd32_sigaction sa32;
    187 	struct sigaction nsa, osa;
    188 	int error;
    189 
    190 	if (SCARG(uap, nsa)) {
    191 		error = copyin((caddr_t)NETBSD32PTR64(SCARG(uap, nsa)), &sa32,
    192 		    sizeof(sa32));
    193 		if (error)
    194 			return (error);
    195 		nsa.sa_handler = (void *)NETBSD32PTR64(sa32.sa_handler);
    196 		nsa.sa_mask = sa32.sa_mask;
    197 		nsa.sa_flags = sa32.sa_flags;
    198 	}
    199 	error = sigaction1(p, SCARG(uap, signum),
    200 	    SCARG(uap, nsa) ? &nsa : 0, SCARG(uap, osa) ? &osa : 0,
    201 	    NETBSD32PTR64(SCARG(uap, tramp)), SCARG(uap, vers));
    202 	if (error)
    203 		return (error);
    204 	if (SCARG(uap, osa)) {
    205 		sa32.sa_handler = (netbsd32_voidp)(u_long)osa.sa_handler;
    206 		sa32.sa_mask = osa.sa_mask;
    207 		sa32.sa_flags = osa.sa_flags;
    208 		error = copyout(&sa32, (caddr_t)NETBSD32PTR64(SCARG(uap, osa)),
    209 		    sizeof(sa32));
    210 		if (error)
    211 			return (error);
    212 	}
    213 	return (0);
    214 }
    215