1 /* $NetBSD: netbsd32_compat_13.c,v 1.8 2001/02/07 13:14:07 mrg 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 ss13, *nss13up, *oss13up; 54 struct netbsd32_sigaltstack13 s32ss; 55 caddr_t sg; 56 int error; 57 58 if (!SCARG(uap, nss)) 59 return (EINVAL); 60 61 sg = stackgap_init(p->p_emul); 62 63 SCARG(&ua, nss) = nss13up = stackgap_alloc(&sg, sizeof(*nss13up)); 64 if (SCARG(uap, oss)) 65 SCARG(&ua, oss) = oss13up = stackgap_alloc(&sg, sizeof(*oss13up)); 66 else 67 SCARG(&ua, oss) = NULL; 68 69 error = copyin((caddr_t)(u_long)SCARG(uap, nss), &s32ss, sizeof s32ss); 70 if (error) 71 return (error); 72 ss13.ss_sp = (char *)(u_long)s32ss.ss_sp; 73 ss13.ss_size = s32ss.ss_size; 74 ss13.ss_flags = s32ss.ss_flags; 75 error = copyout(&ss13, nss13up, sizeof *nss13up); 76 if (error) 77 return (error); 78 79 error = compat_13_sys_sigaltstack(p, &ua, retval); 80 if (error) 81 return (error); 82 83 if (SCARG(uap, oss)) { 84 error = copyin(nss13up, &ss13, sizeof *nss13up); 85 if (error) 86 return (error); 87 s32ss.ss_sp = (netbsd32_charp)(u_long)ss13.ss_sp; 88 s32ss.ss_size = ss13.ss_size; 89 s32ss.ss_flags = ss13.ss_flags; 90 error = copyout(&s32ss, (caddr_t)(u_long)SCARG(uap, nss), sizeof s32ss); 91 if (error) 92 return (error); 93 } 94 95 return (0); 96 } 97 98 99 int 100 compat_13_netbsd32_sigprocmask(p, v, retval) 101 struct proc *p; 102 void *v; 103 register_t *retval; 104 { 105 struct compat_13_netbsd32_sigprocmask_args /* { 106 syscallarg(int) how; 107 syscallarg(int) mask; 108 } */ *uap = v; 109 sigset13_t ness, oess; 110 sigset_t nbss, obss; 111 int error; 112 113 ness = SCARG(uap, mask); 114 native_sigset13_to_sigset(&ness, &nbss); 115 error = sigprocmask1(p, SCARG(uap, how), &nbss, &obss); 116 if (error) 117 return (error); 118 native_sigset_to_sigset13(&obss, &oess); 119 *retval = oess; 120 return (0); 121 } 122 123 int 124 compat_13_netbsd32_sigsuspend(p, v, retval) 125 struct proc *p; 126 void *v; 127 register_t *retval; 128 { 129 struct compat_13_netbsd32_sigsuspend_args /* { 130 syscallarg(sigset13_t) mask; 131 } */ *uap = v; 132 sigset13_t ess; 133 sigset_t bss; 134 135 ess = SCARG(uap, mask); 136 native_sigset13_to_sigset(&ess, &bss); 137 return (sigsuspend1(p, &bss)); 138 } 139