kern_ipc_10.c revision 1.10
1 /* $NetBSD: kern_ipc_10.c,v 1.10 2000/06/26 14:21:08 mrg Exp $ */ 2 3 /* 4 * Copyright (c) 1994 Adam Glass and Charles M. 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 M. 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 "opt_sysv.h" 34 35 #include <sys/param.h> 36 #include <sys/systm.h> 37 #include <sys/kernel.h> 38 #include <sys/proc.h> 39 #include <sys/sem.h> 40 #include <sys/malloc.h> 41 42 #include <sys/mount.h> 43 #include <sys/syscallargs.h> 44 45 #include <compat/common/compat_util.h> 46 47 #include <vm/vm.h> 48 49 #ifdef SYSVSEM 50 int 51 compat_10_sys_semsys(p, v, retval) 52 struct proc *p; 53 void *v; 54 register_t *retval; 55 { 56 struct compat_10_sys_semsys_args /* { 57 syscallarg(int) which; 58 syscallarg(int) a2; 59 syscallarg(int) a3; 60 syscallarg(int) a4; 61 syscallarg(int) a5; 62 } */ *uap = v; 63 struct compat_14_sys___semctl_args /* { 64 syscallarg(int) semid; 65 syscallarg(int) semnum; 66 syscallarg(int) cmd; 67 syscallarg(union __semun *) arg; 68 } */ __semctl_args; 69 struct sys_semget_args /* { 70 syscallarg(key_t) key; 71 syscallarg(int) nsems; 72 syscallarg(int) semflg; 73 } */ semget_args; 74 struct sys_semop_args /* { 75 syscallarg(int) semid; 76 syscallarg(struct sembuf *) sops; 77 syscallarg(u_int) nsops; 78 } */ semop_args; 79 struct sys_semconfig_args /* { 80 syscallarg(int) flag; 81 } */ semconfig_args; 82 caddr_t sg = stackgap_init(p->p_emul); 83 84 switch (SCARG(uap, which)) { 85 case 0: /* __semctl() */ 86 SCARG(&__semctl_args, semid) = SCARG(uap, a2); 87 SCARG(&__semctl_args, semnum) = SCARG(uap, a3); 88 SCARG(&__semctl_args, cmd) = SCARG(uap, a4); 89 SCARG(&__semctl_args, arg) = stackgap_alloc(&sg, 90 sizeof(union semun *)); 91 copyout(&SCARG(uap, a5), SCARG(&__semctl_args, arg), 92 sizeof(union __semun)); 93 return (compat_14_sys___semctl(p, &__semctl_args, retval)); 94 95 case 1: /* semget() */ 96 SCARG(&semget_args, key) = SCARG(uap, a2); 97 SCARG(&semget_args, nsems) = SCARG(uap, a3); 98 SCARG(&semget_args, semflg) = SCARG(uap, a4); 99 return (sys_semget(p, &semget_args, retval)); 100 101 case 2: /* semop() */ 102 SCARG(&semop_args, semid) = SCARG(uap, a2); 103 SCARG(&semop_args, sops) = (struct sembuf *)SCARG(uap, a3); 104 SCARG(&semop_args, nsops) = SCARG(uap, a4); 105 return (sys_semop(p, &semop_args, retval)); 106 107 case 3: /* semconfig() */ 108 SCARG(&semconfig_args, flag) = SCARG(uap, a2); 109 return (sys_semconfig(p, &semconfig_args, retval)); 110 111 default: 112 return (EINVAL); 113 } 114 } 115 #endif 116 117 #ifdef SYSVSHM 118 int 119 compat_10_sys_shmsys(p, v, retval) 120 struct proc *p; 121 void *v; 122 register_t *retval; 123 { 124 struct compat_10_sys_shmsys_args /* { 125 syscallarg(int) which; 126 syscallarg(int) a2; 127 syscallarg(int) a3; 128 syscallarg(int) a4; 129 } */ *uap = v; 130 struct sys_shmat_args /* { 131 syscallarg(int) shmid; 132 syscallarg(void *) shmaddr; 133 syscallarg(int) shmflg; 134 } */ shmat_args; 135 struct compat_14_sys_shmctl_args /* { 136 syscallarg(int) shmid; 137 syscallarg(int) cmd; 138 syscallarg(struct shmid14_ds *) buf; 139 } */ shmctl_args; 140 struct sys_shmdt_args /* { 141 syscallarg(void *) shmaddr; 142 } */ shmdt_args; 143 struct sys_shmget_args /* { 144 syscallarg(key_t) key; 145 syscallarg(int) size; 146 syscallarg(int) shmflg; 147 } */ shmget_args; 148 149 switch (SCARG(uap, which)) { 150 case 0: /* shmat() */ 151 SCARG(&shmat_args, shmid) = SCARG(uap, a2); 152 SCARG(&shmat_args, shmaddr) = (void *)SCARG(uap, a3); 153 SCARG(&shmat_args, shmflg) = SCARG(uap, a4); 154 return (sys_shmat(p, &shmat_args, retval)); 155 156 case 1: /* shmctl() */ 157 SCARG(&shmctl_args, shmid) = SCARG(uap, a2); 158 SCARG(&shmctl_args, cmd) = SCARG(uap, a3); 159 SCARG(&shmctl_args, buf) = (struct shmid_ds14 *)SCARG(uap, a4); 160 return (compat_14_sys_shmctl(p, &shmctl_args, retval)); 161 162 case 2: /* shmdt() */ 163 SCARG(&shmdt_args, shmaddr) = (void *)SCARG(uap, a2); 164 return (sys_shmdt(p, &shmdt_args, retval)); 165 166 case 3: /* shmget() */ 167 SCARG(&shmget_args, key) = SCARG(uap, a2); 168 SCARG(&shmget_args, size) = SCARG(uap, a3); 169 SCARG(&shmget_args, shmflg) = SCARG(uap, a4); 170 return (sys_shmget(p, &shmget_args, retval)); 171 172 default: 173 return (EINVAL); 174 } 175 } 176 #endif 177 178 #ifdef SYSVMSG 179 int 180 compat_10_sys_msgsys(p, v, retval) 181 struct proc *p; 182 void *v; 183 register_t *retval; 184 { 185 struct compat_10_sys_msgsys_args /* { 186 syscallarg(int) which; 187 syscallarg(int) a2; 188 syscallarg(int) a3; 189 syscallarg(int) a4; 190 syscallarg(int) a5; 191 syscallarg(int) a6; 192 } */ *uap = v; 193 struct compat_14_sys_msgctl_args /* { 194 syscallarg(int) msqid; 195 syscallarg(int) cmd; 196 syscallarg(struct msqid14_ds *) buf; 197 } */ msgctl_args; 198 struct sys_msgget_args /* { 199 syscallarg(key_t) key; 200 syscallarg(int) msgflg; 201 } */ msgget_args; 202 struct sys_msgsnd_args /* { 203 syscallarg(int) msqid; 204 syscallarg(void *) msgp; 205 syscallarg(size_t) msgsz; 206 syscallarg(int) msgflg; 207 } */ msgsnd_args; 208 struct sys_msgrcv_args /* { 209 syscallarg(int) msqid; 210 syscallarg(void *) msgp; 211 syscallarg(size_t) msgsz; 212 syscallarg(long) msgtyp; 213 syscallarg(int) msgflg; 214 } */ msgrcv_args; 215 216 switch (SCARG(uap, which)) { 217 case 0: /* msgctl()*/ 218 SCARG(&msgctl_args, msqid) = SCARG(uap, a2); 219 SCARG(&msgctl_args, cmd) = SCARG(uap, a3); 220 SCARG(&msgctl_args, buf) = 221 (struct msqid_ds14 *)SCARG(uap, a4); 222 return (compat_14_sys_msgctl(p, &msgctl_args, retval)); 223 224 case 1: /* msgget() */ 225 SCARG(&msgget_args, key) = SCARG(uap, a2); 226 SCARG(&msgget_args, msgflg) = SCARG(uap, a3); 227 return (sys_msgget(p, &msgget_args, retval)); 228 229 case 2: /* msgsnd() */ 230 SCARG(&msgsnd_args, msqid) = SCARG(uap, a2); 231 SCARG(&msgsnd_args, msgp) = (void *)SCARG(uap, a3); 232 SCARG(&msgsnd_args, msgsz) = SCARG(uap, a4); 233 SCARG(&msgsnd_args, msgflg) = SCARG(uap, a5); 234 return (sys_msgsnd(p, &msgsnd_args, retval)); 235 236 case 3: /* msgrcv() */ 237 SCARG(&msgrcv_args, msqid) = SCARG(uap, a2); 238 SCARG(&msgrcv_args, msgp) = (void *)SCARG(uap, a3); 239 SCARG(&msgrcv_args, msgsz) = SCARG(uap, a4); 240 SCARG(&msgrcv_args, msgtyp) = SCARG(uap, a5); 241 SCARG(&msgrcv_args, msgflg) = SCARG(uap, a6); 242 return (sys_msgrcv(p, &msgrcv_args, retval)); 243 244 default: 245 return (EINVAL); 246 } 247 } 248 #endif 249
Indexes created Tue Sep 30 20:09:53 GMT 2025