netbsd32_signal.c revision 1.1.4.3
1 /* $NetBSD: netbsd32_signal.c,v 1.1.4.3 2002/08/23 02:37:11 petrov 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 1.1.4.3 2002/08/23 02:37:11 petrov 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 = (struct netbsd32_sigaction *)(u_long)SCARG(uap, nsa); 63 if (copyin(sa32p, &sa32, sizeof(sa32))) 64 return EFAULT; 65 nsa.sa_handler = (void *)(u_long)sa32.sa_handler; 66 nsa.sa_mask = sa32.sa_mask; 67 nsa.sa_flags = sa32.sa_flags; 68 } 69 error = sigaction1(l->l_proc, SCARG(uap, signum), 70 SCARG(uap, nsa) ? &nsa : 0, 71 SCARG(uap, osa) ? &osa : 0, 72 NULL, 0); 73 74 if (error) 75 return (error); 76 77 if (SCARG(uap, osa)) { 78 sa32.sa_handler = (netbsd32_sigactionp_t)(u_long)osa.sa_handler; 79 sa32.sa_mask = osa.sa_mask; 80 sa32.sa_flags = osa.sa_flags; 81 sa32p = (struct netbsd32_sigaction *)(u_long)SCARG(uap, osa); 82 if (copyout(&sa32, sa32p, sizeof(sa32))) 83 return EFAULT; 84 } 85 86 return (0); 87 } 88 89 int 90 netbsd32___sigaltstack14(l, v, retval) 91 struct lwp *l; 92 void *v; 93 register_t *retval; 94 { 95 struct netbsd32___sigaltstack14_args /* { 96 syscallarg(const netbsd32_sigaltstackp_t) nss; 97 syscallarg(netbsd32_sigaltstackp_t) oss; 98 } */ *uap = v; 99 struct netbsd32_sigaltstack s32; 100 struct sigaltstack nss, oss; 101 int error; 102 103 if (SCARG(uap, nss)) { 104 error = copyin((caddr_t)(u_long)SCARG(uap, nss), &s32, sizeof(s32)); 105 if (error) 106 return (error); 107 nss.ss_sp = (void *)(u_long)s32.ss_sp; 108 nss.ss_size = (size_t)s32.ss_size; 109 nss.ss_flags = s32.ss_flags; 110 } 111 error = sigaltstack1(l->l_proc, 112 SCARG(uap, nss) ? &nss : 0, SCARG(uap, oss) ? &oss : 0); 113 if (error) 114 return (error); 115 if (SCARG(uap, oss)) { 116 s32.ss_sp = (netbsd32_voidp)(u_long)oss.ss_sp; 117 s32.ss_size = (netbsd32_size_t)oss.ss_size; 118 s32.ss_flags = oss.ss_flags; 119 error = copyout(&s32, (caddr_t)(u_long)SCARG(uap, oss), sizeof(s32)); 120 if (error) 121 return (error); 122 } 123 return (0); 124 } 125 126 /* ARGSUSED */ 127 int 128 netbsd32___sigaction14(l, v, retval) 129 struct lwp *l; 130 void *v; 131 register_t *retval; 132 { 133 struct netbsd32___sigaction14_args /* { 134 syscallarg(int) signum; 135 syscallarg(const struct sigaction *) nsa; 136 syscallarg(struct sigaction *) osa; 137 } */ *uap = v; 138 struct netbsd32_sigaction sa32; 139 struct sigaction nsa, osa; 140 int error; 141 142 if (SCARG(uap, nsa)) { 143 error = copyin((caddr_t)(u_long)SCARG(uap, nsa), 144 &sa32, sizeof(sa32)); 145 if (error) 146 return (error); 147 nsa.sa_handler = (void *)(u_long)sa32.sa_handler; 148 nsa.sa_mask = sa32.sa_mask; 149 nsa.sa_flags = sa32.sa_flags; 150 } 151 error = sigaction1(l->l_proc, SCARG(uap, signum), 152 SCARG(uap, nsa) ? &nsa : 0, SCARG(uap, osa) ? &osa : 0, 153 NULL, 0); 154 if (error) 155 return (error); 156 if (SCARG(uap, osa)) { 157 sa32.sa_handler = (netbsd32_voidp)(u_long)osa.sa_handler; 158 sa32.sa_mask = osa.sa_mask; 159 sa32.sa_flags = osa.sa_flags; 160 error = copyout(&sa32, (caddr_t)(u_long)SCARG(uap, osa), sizeof(sa32)); 161 if (error) 162 return (error); 163 } 164 return (0); 165 } 166
Indexes created Mon Sep 22 13:09:51 GMT 2025