1 /* $NetBSD: kern_ipc_10.c,v 1.6 1998/03/05 04:26:35 scottb Exp $ */ 2 3 /* 4 * Copyright (c) 1994 Adam Glass and Charles Hannum. All rights reserved. 5 * 6 * Redistribution and use in source and binary forms, with or without 7 * modification, are permitted provided that the following conditions 8 * are met: 9 * 1. Redistributions of source code must retain the above copyright 10 * notice, this list of conditions and the following disclaimer. 11 * 2. Redistributions in binary form must reproduce the above copyright 12 * notice, this list of conditions and the following disclaimer in the 13 * documentation and/or other materials provided with the distribution. 14 * 3. All advertising materials mentioning features or use of this software 15 * must display the following acknowledgement: 16 * This product includes software developed by Adam Glass and Charles 17 * Hannum. 18 * 4. The names of the authors may not be used to endorse or promote products 19 * derived from this software without specific prior written permission. 20 * 21 * THIS SOFTWARE IS PROVIDED BY THE AUTHORS ``AS IS'' AND ANY EXPRESS OR 22 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES 23 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. 24 * IN NO EVENT SHALL THE AUTHORS BE LIABLE FOR ANY DIRECT, INDIRECT, 25 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT 26 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 27 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 28 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 29 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF 30 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 31 */ 32 33 #include <sys/param.h> 34 #include <sys/systm.h> 35 #include <sys/kernel.h> 36 #include <sys/proc.h> 37 #include <sys/sem.h> 38 #include <sys/malloc.h> 39 40 #include <sys/mount.h> 41 #include <sys/syscallargs.h> 42 43 #include <compat/common/compat_util.h> 44 45 #include <vm/vm.h> 46 #include <vm/vm_map.h> 47 #include <vm/vm_map.h> 48 #include <vm/vm_kern.h> 49 50 #ifdef SYSVSEM 51 int 52 compat_10_sys_semsys(p, v, retval) 53 struct proc *p; 54 void *v; 55 register_t *retval; 56 { 57 struct compat_10_sys_semsys_args /* { 58 syscallarg(int) which; 59 syscallarg(int) a2; 60 syscallarg(int) a3; 61 syscallarg(int) a4; 62 syscallarg(int) a5; 63 } */ *uap = v; 64 struct sys___semctl_args /* { 65 syscallarg(int) semid; 66 syscallarg(int) semnum; 67 syscallarg(int) cmd; 68 syscallarg(union semun *) arg; 69 } */ __semctl_args; 70 struct sys_semget_args /* { 71 syscallarg(key_t) key; 72 syscallarg(int) nsems; 73 syscallarg(int) semflg; 74 } */ semget_args; 75 struct sys_semop_args /* { 76 syscallarg(int) semid; 77 syscallarg(struct sembuf *) sops; 78 syscallarg(u_int) nsops; 79 } */ semop_args; 80 struct sys_semconfig_args /* { 81 syscallarg(int) flag; 82 } */ semconfig_args; 83 caddr_t sg = stackgap_init(p->p_emul); 84 85 switch (SCARG(uap, which)) { 86 case 0: /* __semctl() */ 87 SCARG(&__semctl_args, semid) = SCARG(uap, a2); 88 SCARG(&__semctl_args, semnum) = SCARG(uap, a3); 89 SCARG(&__semctl_args, cmd) = SCARG(uap, a4); 90 SCARG(&__semctl_args, arg) = stackgap_alloc(&sg, 91 sizeof(union semun *)); 92 copyout(&SCARG(uap, a5), SCARG(&__semctl_args, arg), 93 sizeof(union semun)); 94 return (sys___semctl(p, &__semctl_args, retval)); 95 96 case 1: /* semget() */ 97 SCARG(&semget_args, key) = SCARG(uap, a2); 98 SCARG(&semget_args, nsems) = SCARG(uap, a3); 99 SCARG(&semget_args, semflg) = SCARG(uap, a4); 100 return (sys_semget(p, &semget_args, retval)); 101 102 case 2: /* semop() */ 103 SCARG(&semop_args, semid) = SCARG(uap, a2); 104 SCARG(&semop_args, sops) = (struct sembuf *)SCARG(uap, a3); 105 SCARG(&semop_args, nsops) = SCARG(uap, a4); 106 return (sys_semop(p, &semop_args, retval)); 107 108 case 3: /* semconfig() */ 109 SCARG(&semconfig_args, flag) = SCARG(uap, a2); 110 return (sys_semconfig(p, &semconfig_args, retval)); 111 112 default: 113 return (EINVAL); 114 } 115 } 116 #endif 117 118 #ifdef SYSVSHM 119 int 120 compat_10_sys_shmsys(p, v, retval) 121 struct proc *p; 122 void *v; 123 register_t *retval; 124 { 125 struct compat_10_sys_shmsys_args /* { 126 syscallarg(int) which; 127 syscallarg(int) a2; 128 syscallarg(int) a3; 129 syscallarg(int) a4; 130 } */ *uap = v; 131 struct sys_shmat_args /* { 132 syscallarg(int) shmid; 133 syscallarg(void *) shmaddr; 134 syscallarg(int) shmflg; 135 } */ shmat_args; 136 struct sys_shmctl_args /* { 137 syscallarg(int) shmid; 138 syscallarg(int) cmd; 139 syscallarg(struct shmid_ds *) buf; 140 } */ shmctl_args; 141 struct sys_shmdt_args /* { 142 syscallarg(void *) shmaddr; 143 } */ shmdt_args; 144 struct sys_shmget_args /* { 145 syscallarg(key_t) key; 146 syscallarg(int) size; 147 syscallarg(int) shmflg; 148 } */ shmget_args; 149 150 switch (SCARG(uap, which)) { 151 case 0: /* shmat() */ 152 SCARG(&shmat_args, shmid) = SCARG(uap, a2); 153 SCARG(&shmat_args, shmaddr) = (void *)SCARG(uap, a3); 154 SCARG(&shmat_args, shmflg) = SCARG(uap, a4); 155 return (sys_shmat(p, &shmat_args, retval)); 156 157 case 1: /* shmctl() */ 158 SCARG(&shmctl_args, shmid) = SCARG(uap, a2); 159 SCARG(&shmctl_args, cmd) = SCARG(uap, a3); 160 SCARG(&shmctl_args, buf) = (struct shmid_ds *)SCARG(uap, a4); 161 return (sys_shmctl(p, &shmctl_args, retval)); 162 163 case 2: /* shmdt() */ 164 SCARG(&shmdt_args, shmaddr) = (void *)SCARG(uap, a2); 165 return (sys_shmdt(p, &shmdt_args, retval)); 166 167 case 3: /* shmget() */ 168 SCARG(&shmget_args, key) = SCARG(uap, a2); 169 SCARG(&shmget_args, size) = SCARG(uap, a3); 170 SCARG(&shmget_args, shmflg) = SCARG(uap, a4); 171 return (sys_shmget(p, &shmget_args, retval)); 172 173 default: 174 return (EINVAL); 175 } 176 } 177 #endif 178 179 #ifdef SYSVMSG 180 int 181 compat_10_sys_msgsys(p, v, retval) 182 struct proc *p; 183 void *v; 184 register_t *retval; 185 { 186 struct compat_10_sys_msgsys_args /* { 187 syscallarg(int) which; 188 syscallarg(int) a2; 189 syscallarg(int) a3; 190 syscallarg(int) a4; 191 syscallarg(int) a5; 192 syscallarg(int) a6; 193 } */ *uap = v; 194 struct sys_msgctl_args /* { 195 syscallarg(int) msqid; 196 syscallarg(int) cmd; 197 syscallarg(struct msqid_ds *) buf; 198 } */ msgctl_args; 199 struct sys_msgget_args /* { 200 syscallarg(key_t) key; 201 syscallarg(int) msgflg; 202 } */ msgget_args; 203 struct sys_msgsnd_args /* { 204 syscallarg(int) msqid; 205 syscallarg(void *) msgp; 206 syscallarg(size_t) msgsz; 207 syscallarg(int) msgflg; 208 } */ msgsnd_args; 209 struct sys_msgrcv_args /* { 210 syscallarg(int) msqid; 211 syscallarg(void *) msgp; 212 syscallarg(size_t) msgsz; 213 syscallarg(long) msgtyp; 214 syscallarg(int) msgflg; 215 } */ msgrcv_args; 216 217 switch (SCARG(uap, which)) { 218 case 0: /* msgctl()*/ 219 SCARG(&msgctl_args, msqid) = SCARG(uap, a2); 220 SCARG(&msgctl_args, cmd) = SCARG(uap, a3); 221 SCARG(&msgctl_args, buf) = 222 (struct msqid_ds *)SCARG(uap, a4); 223 return (sys_msgctl(p, &msgctl_args, retval)); 224 225 case 1: /* msgget() */ 226 SCARG(&msgget_args, key) = SCARG(uap, a2); 227 SCARG(&msgget_args, msgflg) = SCARG(uap, a3); 228 return (sys_msgget(p, &msgget_args, retval)); 229 230 case 2: /* msgsnd() */ 231 SCARG(&msgsnd_args, msqid) = SCARG(uap, a2); 232 SCARG(&msgsnd_args, msgp) = (void *)SCARG(uap, a3); 233 SCARG(&msgsnd_args, msgsz) = SCARG(uap, a4); 234 SCARG(&msgsnd_args, msgflg) = SCARG(uap, a5); 235 return (sys_msgsnd(p, &msgsnd_args, retval)); 236 237 case 3: /* msgrcv() */ 238 SCARG(&msgrcv_args, msqid) = SCARG(uap, a2); 239 SCARG(&msgrcv_args, msgp) = (void *)SCARG(uap, a3); 240 SCARG(&msgrcv_args, msgsz) = SCARG(uap, a4); 241 SCARG(&msgrcv_args, msgtyp) = SCARG(uap, a5); 242 SCARG(&msgrcv_args, msgflg) = SCARG(uap, a6); 243 return (sys_msgrcv(p, &msgrcv_args, retval)); 244 245 default: 246 return (EINVAL); 247 } 248 } 249 #endif 250