1 /* $NetBSD: freebsd_ipc.c,v 1.10 2001/11/13 02:08:08 lukem 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 <sys/cdefs.h> 34 __KERNEL_RCSID(0, "$NetBSD: freebsd_ipc.c,v 1.10 2001/11/13 02:08:08 lukem Exp $"); 35 36 #if defined(_KERNEL_OPT) 37 #include "opt_sysv.h" 38 #endif 39 40 #include <sys/param.h> 41 #include <sys/systm.h> 42 #include <sys/kernel.h> 43 #include <sys/proc.h> 44 #include <sys/sem.h> 45 #include <sys/malloc.h> 46 47 #include <sys/mount.h> 48 #include <sys/syscallargs.h> 49 50 #include <compat/freebsd/freebsd_syscallargs.h> 51 52 #ifdef SYSVSEM 53 int 54 freebsd_sys_semsys(p, v, retval) 55 struct proc *p; 56 void *v; 57 register_t *retval; 58 { 59 struct freebsd_sys_semsys_args /* { 60 syscallarg(int) which; 61 syscallarg(int) a2; 62 syscallarg(int) a3; 63 syscallarg(int) a4; 64 syscallarg(int) a5; 65 } */ *uap = v; 66 struct compat_14_sys___semctl_args /* { 67 syscallarg(int) semid; 68 syscallarg(int) semnum; 69 syscallarg(int) cmd; 70 syscallarg(union __semun *) arg; 71 } */ __semctl_args; 72 struct sys_semget_args /* { 73 syscallarg(key_t) key; 74 syscallarg(int) nsems; 75 syscallarg(int) semflg; 76 } */ semget_args; 77 struct sys_semop_args /* { 78 syscallarg(int) semid; 79 syscallarg(struct sembuf *) sops; 80 syscallarg(u_int) nsops; 81 } */ semop_args; 82 struct sys_semconfig_args /* { 83 syscallarg(int) flag; 84 } */ semconfig_args; 85 86 switch (SCARG(uap, which)) { 87 case 0: /* __semctl() */ 88 SCARG(&__semctl_args, semid) = SCARG(uap, a2); 89 SCARG(&__semctl_args, semnum) = SCARG(uap, a3); 90 SCARG(&__semctl_args, cmd) = SCARG(uap, a4); 91 SCARG(&__semctl_args, arg) = (union __semun *)SCARG(uap, a5); 92 return (compat_14_sys___semctl(p, &__semctl_args, retval)); 93 94 case 1: /* semget() */ 95 SCARG(&semget_args, key) = SCARG(uap, a2); 96 SCARG(&semget_args, nsems) = SCARG(uap, a3); 97 SCARG(&semget_args, semflg) = SCARG(uap, a4); 98 return (sys_semget(p, &semget_args, retval)); 99 100 case 2: /* semop() */ 101 SCARG(&semop_args, semid) = SCARG(uap, a2); 102 SCARG(&semop_args, sops) = (struct sembuf *)SCARG(uap, a3); 103 SCARG(&semop_args, nsops) = SCARG(uap, a4); 104 return (sys_semop(p, &semop_args, retval)); 105 106 case 3: /* semconfig() */ 107 SCARG(&semconfig_args, flag) = SCARG(uap, a2); 108 return (sys_semconfig(p, &semconfig_args, retval)); 109 110 default: 111 return (EINVAL); 112 } 113 } 114 #endif 115 116 #ifdef SYSVSHM 117 int 118 freebsd_sys_shmsys(p, v, retval) 119 struct proc *p; 120 void *v; 121 register_t *retval; 122 { 123 struct freebsd_sys_shmsys_args /* { 124 syscallarg(int) which; 125 syscallarg(int) a2; 126 syscallarg(int) a3; 127 syscallarg(int) a4; 128 } */ *uap = v; 129 struct sys_shmat_args /* { 130 syscallarg(int) shmid; 131 syscallarg(void *) shmaddr; 132 syscallarg(int) shmflg; 133 } */ shmat_args; 134 struct compat_14_sys_shmctl_args /* { 135 syscallarg(int) shmid; 136 syscallarg(int) cmd; 137 syscallarg(struct shmid_ds14 *) buf; 138 } */ shmctl_args; 139 struct sys_shmdt_args /* { 140 syscallarg(void *) shmaddr; 141 } */ shmdt_args; 142 struct sys_shmget_args /* { 143 syscallarg(key_t) key; 144 syscallarg(int) size; 145 syscallarg(int) shmflg; 146 } */ shmget_args; 147 148 switch (SCARG(uap, which)) { 149 case 0: /* shmat() */ 150 SCARG(&shmat_args, shmid) = SCARG(uap, a2); 151 SCARG(&shmat_args, shmaddr) = (void *)SCARG(uap, a3); 152 SCARG(&shmat_args, shmflg) = SCARG(uap, a4); 153 return (sys_shmat(p, &shmat_args, retval)); 154 155 case 1: /* oshmctl() */ 156 /* XXX Need to translate shmid_ds format. */ 157 return (EINVAL); 158 159 case 2: /* shmdt() */ 160 SCARG(&shmdt_args, shmaddr) = (void *)SCARG(uap, a2); 161 return (sys_shmdt(p, &shmdt_args, retval)); 162 163 case 3: /* shmget() */ 164 SCARG(&shmget_args, key) = SCARG(uap, a2); 165 SCARG(&shmget_args, size) = SCARG(uap, a3); 166 SCARG(&shmget_args, shmflg) = SCARG(uap, a4); 167 return (sys_shmget(p, &shmget_args, retval)); 168 169 case 4: /* shmctl() */ 170 SCARG(&shmctl_args, shmid) = SCARG(uap, a2); 171 SCARG(&shmctl_args, cmd) = SCARG(uap, a3); 172 SCARG(&shmctl_args, buf) = (struct shmid_ds14 *)SCARG(uap, a4); 173 return (compat_14_sys_shmctl(p, &shmctl_args, retval)); 174 175 default: 176 return (EINVAL); 177 } 178 } 179 #endif 180 181 #ifdef SYSVMSG 182 int 183 freebsd_sys_msgsys(p, v, retval) 184 struct proc *p; 185 void *v; 186 register_t *retval; 187 { 188 struct freebsd_sys_msgsys_args /* { 189 syscallarg(int) which; 190 syscallarg(int) a2; 191 syscallarg(int) a3; 192 syscallarg(int) a4; 193 syscallarg(int) a5; 194 syscallarg(int) a6; 195 } */ *uap = v; 196 struct compat_14_sys_msgctl_args /* { 197 syscallarg(int) msqid; 198 syscallarg(int) cmd; 199 syscallarg(struct msqid_ds14 *) buf; 200 } */ msgctl_args; 201 struct sys_msgget_args /* { 202 syscallarg(key_t) key; 203 syscallarg(int) msgflg; 204 } */ msgget_args; 205 struct sys_msgsnd_args /* { 206 syscallarg(int) msqid; 207 syscallarg(void *) msgp; 208 syscallarg(size_t) msgsz; 209 syscallarg(int) msgflg; 210 } */ msgsnd_args; 211 struct sys_msgrcv_args /* { 212 syscallarg(int) msqid; 213 syscallarg(void *) msgp; 214 syscallarg(size_t) msgsz; 215 syscallarg(long) msgtyp; 216 syscallarg(int) msgflg; 217 } */ msgrcv_args; 218 219 switch (SCARG(uap, which)) { 220 case 0: /* msgctl()*/ 221 SCARG(&msgctl_args, msqid) = SCARG(uap, a2); 222 SCARG(&msgctl_args, cmd) = SCARG(uap, a3); 223 SCARG(&msgctl_args, buf) = 224 (struct msqid_ds14 *)SCARG(uap, a4); 225 return (compat_14_sys_msgctl(p, &msgctl_args, retval)); 226 227 case 1: /* msgget() */ 228 SCARG(&msgget_args, key) = SCARG(uap, a2); 229 SCARG(&msgget_args, msgflg) = SCARG(uap, a3); 230 return (sys_msgget(p, &msgget_args, retval)); 231 232 case 2: /* msgsnd() */ 233 SCARG(&msgsnd_args, msqid) = SCARG(uap, a2); 234 SCARG(&msgsnd_args, msgp) = (void *)SCARG(uap, a3); 235 SCARG(&msgsnd_args, msgsz) = SCARG(uap, a4); 236 SCARG(&msgsnd_args, msgflg) = SCARG(uap, a5); 237 return (sys_msgsnd(p, &msgsnd_args, retval)); 238 239 case 3: /* msgrcv() */ 240 SCARG(&msgrcv_args, msqid) = SCARG(uap, a2); 241 SCARG(&msgrcv_args, msgp) = (void *)SCARG(uap, a3); 242 SCARG(&msgrcv_args, msgsz) = SCARG(uap, a4); 243 SCARG(&msgrcv_args, msgtyp) = SCARG(uap, a5); 244 SCARG(&msgrcv_args, msgflg) = SCARG(uap, a6); 245 return (sys_msgrcv(p, &msgrcv_args, retval)); 246 247 default: 248 return (EINVAL); 249 } 250 } 251 #endif 252