1 /* $NetBSD: freebsd_ipc.c,v 1.11 2003/01/18 07:33:16 thorpej 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 1.11 2003/01/18 07:33:16 thorpej 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/sa.h> 49 #include <sys/syscallargs.h> 50 51 #include <compat/freebsd/freebsd_syscallargs.h> 52 53 #ifdef SYSVSEM 54 int 55 freebsd_sys_semsys(l, v, retval) 56 struct lwp *l; 57 void *v; 58 register_t *retval; 59 { 60 struct freebsd_sys_semsys_args /* { 61 syscallarg(int) which; 62 syscallarg(int) a2; 63 syscallarg(int) a3; 64 syscallarg(int) a4; 65 syscallarg(int) a5; 66 } */ *uap = v; 67 struct compat_14_sys___semctl_args /* { 68 syscallarg(int) semid; 69 syscallarg(int) semnum; 70 syscallarg(int) cmd; 71 syscallarg(union __semun *) arg; 72 } */ __semctl_args; 73 struct sys_semget_args /* { 74 syscallarg(key_t) key; 75 syscallarg(int) nsems; 76 syscallarg(int) semflg; 77 } */ semget_args; 78 struct sys_semop_args /* { 79 syscallarg(int) semid; 80 syscallarg(struct sembuf *) sops; 81 syscallarg(u_int) nsops; 82 } */ semop_args; 83 struct sys_semconfig_args /* { 84 syscallarg(int) flag; 85 } */ semconfig_args; 86 87 switch (SCARG(uap, which)) { 88 case 0: /* __semctl() */ 89 SCARG(&__semctl_args, semid) = SCARG(uap, a2); 90 SCARG(&__semctl_args, semnum) = SCARG(uap, a3); 91 SCARG(&__semctl_args, cmd) = SCARG(uap, a4); 92 SCARG(&__semctl_args, arg) = (union __semun *)SCARG(uap, a5); 93 return (compat_14_sys___semctl(l, &__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(l, &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(l, &semop_args, retval)); 106 107 case 3: /* semconfig() */ 108 SCARG(&semconfig_args, flag) = SCARG(uap, a2); 109 return (sys_semconfig(l, &semconfig_args, retval)); 110 111 default: 112 return (EINVAL); 113 } 114 } 115 #endif 116 117 #ifdef SYSVSHM 118 int 119 freebsd_sys_shmsys(l, v, retval) 120 struct lwp *l; 121 void *v; 122 register_t *retval; 123 { 124 struct freebsd_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 shmid_ds14 *) 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(l, &shmat_args, retval)); 155 156 case 1: /* oshmctl() */ 157 /* XXX Need to translate shmid_ds format. */ 158 return (EINVAL); 159 160 case 2: /* shmdt() */ 161 SCARG(&shmdt_args, shmaddr) = (void *)SCARG(uap, a2); 162 return (sys_shmdt(l, &shmdt_args, retval)); 163 164 case 3: /* shmget() */ 165 SCARG(&shmget_args, key) = SCARG(uap, a2); 166 SCARG(&shmget_args, size) = SCARG(uap, a3); 167 SCARG(&shmget_args, shmflg) = SCARG(uap, a4); 168 return (sys_shmget(l, &shmget_args, retval)); 169 170 case 4: /* shmctl() */ 171 SCARG(&shmctl_args, shmid) = SCARG(uap, a2); 172 SCARG(&shmctl_args, cmd) = SCARG(uap, a3); 173 SCARG(&shmctl_args, buf) = (struct shmid_ds14 *)SCARG(uap, a4); 174 return (compat_14_sys_shmctl(l, &shmctl_args, retval)); 175 176 default: 177 return (EINVAL); 178 } 179 } 180 #endif 181 182 #ifdef SYSVMSG 183 int 184 freebsd_sys_msgsys(l, v, retval) 185 struct lwp *l; 186 void *v; 187 register_t *retval; 188 { 189 struct freebsd_sys_msgsys_args /* { 190 syscallarg(int) which; 191 syscallarg(int) a2; 192 syscallarg(int) a3; 193 syscallarg(int) a4; 194 syscallarg(int) a5; 195 syscallarg(int) a6; 196 } */ *uap = v; 197 struct compat_14_sys_msgctl_args /* { 198 syscallarg(int) msqid; 199 syscallarg(int) cmd; 200 syscallarg(struct msqid_ds14 *) buf; 201 } */ msgctl_args; 202 struct sys_msgget_args /* { 203 syscallarg(key_t) key; 204 syscallarg(int) msgflg; 205 } */ msgget_args; 206 struct sys_msgsnd_args /* { 207 syscallarg(int) msqid; 208 syscallarg(void *) msgp; 209 syscallarg(size_t) msgsz; 210 syscallarg(int) msgflg; 211 } */ msgsnd_args; 212 struct sys_msgrcv_args /* { 213 syscallarg(int) msqid; 214 syscallarg(void *) msgp; 215 syscallarg(size_t) msgsz; 216 syscallarg(long) msgtyp; 217 syscallarg(int) msgflg; 218 } */ msgrcv_args; 219 220 switch (SCARG(uap, which)) { 221 case 0: /* msgctl()*/ 222 SCARG(&msgctl_args, msqid) = SCARG(uap, a2); 223 SCARG(&msgctl_args, cmd) = SCARG(uap, a3); 224 SCARG(&msgctl_args, buf) = 225 (struct msqid_ds14 *)SCARG(uap, a4); 226 return (compat_14_sys_msgctl(l, &msgctl_args, retval)); 227 228 case 1: /* msgget() */ 229 SCARG(&msgget_args, key) = SCARG(uap, a2); 230 SCARG(&msgget_args, msgflg) = SCARG(uap, a3); 231 return (sys_msgget(l, &msgget_args, retval)); 232 233 case 2: /* msgsnd() */ 234 SCARG(&msgsnd_args, msqid) = SCARG(uap, a2); 235 SCARG(&msgsnd_args, msgp) = (void *)SCARG(uap, a3); 236 SCARG(&msgsnd_args, msgsz) = SCARG(uap, a4); 237 SCARG(&msgsnd_args, msgflg) = SCARG(uap, a5); 238 return (sys_msgsnd(l, &msgsnd_args, retval)); 239 240 case 3: /* msgrcv() */ 241 SCARG(&msgrcv_args, msqid) = SCARG(uap, a2); 242 SCARG(&msgrcv_args, msgp) = (void *)SCARG(uap, a3); 243 SCARG(&msgrcv_args, msgsz) = SCARG(uap, a4); 244 SCARG(&msgrcv_args, msgtyp) = SCARG(uap, a5); 245 SCARG(&msgrcv_args, msgflg) = SCARG(uap, a6); 246 return (sys_msgrcv(l, &msgrcv_args, retval)); 247 248 default: 249 return (EINVAL); 250 } 251 } 252 #endif 253