kern_ipc_10.c revision 1.12.2.4
1 /* $NetBSD: kern_ipc_10.c,v 1.12.2.4 2002/05/29 21:32:13 nathanw 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: kern_ipc_10.c,v 1.12.2.4 2002/05/29 21:32:13 nathanw Exp $"); 35 36 #include "opt_sysv.h" 37 38 #include <sys/param.h> 39 #include <sys/systm.h> 40 #include <sys/kernel.h> 41 #include <sys/lwp.h> 42 #include <sys/proc.h> 43 #include <sys/sem.h> 44 #include <sys/malloc.h> 45 46 #include <sys/mount.h> 47 #include <sys/sa.h> 48 #include <sys/syscallargs.h> 49 50 #include <compat/common/compat_util.h> 51 52 #ifdef SYSVSEM 53 int 54 compat_10_sys_semsys(l, v, retval) 55 struct lwp *l; 56 void *v; 57 register_t *retval; 58 { 59 struct compat_10_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 struct proc *p = l->l_proc; 86 caddr_t sg = stackgap_init(p, 0); 87 88 switch (SCARG(uap, which)) { 89 case 0: /* __semctl() */ 90 SCARG(&__semctl_args, semid) = SCARG(uap, a2); 91 SCARG(&__semctl_args, semnum) = SCARG(uap, a3); 92 SCARG(&__semctl_args, cmd) = SCARG(uap, a4); 93 SCARG(&__semctl_args, arg) = stackgap_alloc(p, &sg, 94 sizeof(union semun *)); 95 copyout(&SCARG(uap, a5), SCARG(&__semctl_args, arg), 96 sizeof(union __semun)); 97 return (compat_14_sys___semctl(l, &__semctl_args, retval)); 98 99 case 1: /* semget() */ 100 SCARG(&semget_args, key) = SCARG(uap, a2); 101 SCARG(&semget_args, nsems) = SCARG(uap, a3); 102 SCARG(&semget_args, semflg) = SCARG(uap, a4); 103 return (sys_semget(l, &semget_args, retval)); 104 105 case 2: /* semop() */ 106 SCARG(&semop_args, semid) = SCARG(uap, a2); 107 SCARG(&semop_args, sops) = 108 (struct sembuf *)(u_long)SCARG(uap, a3); 109 SCARG(&semop_args, nsops) = SCARG(uap, a4); 110 return (sys_semop(l, &semop_args, retval)); 111 112 case 3: /* semconfig() */ 113 SCARG(&semconfig_args, flag) = SCARG(uap, a2); 114 return (sys_semconfig(l, &semconfig_args, retval)); 115 116 default: 117 return (EINVAL); 118 } 119 } 120 #endif 121 122 #ifdef SYSVSHM 123 int 124 compat_10_sys_shmsys(l, v, retval) 125 struct lwp *l; 126 void *v; 127 register_t *retval; 128 { 129 struct compat_10_sys_shmsys_args /* { 130 syscallarg(int) which; 131 syscallarg(int) a2; 132 syscallarg(int) a3; 133 syscallarg(int) a4; 134 } */ *uap = v; 135 struct sys_shmat_args /* { 136 syscallarg(int) shmid; 137 syscallarg(void *) shmaddr; 138 syscallarg(int) shmflg; 139 } */ shmat_args; 140 struct compat_14_sys_shmctl_args /* { 141 syscallarg(int) shmid; 142 syscallarg(int) cmd; 143 syscallarg(struct shmid14_ds *) buf; 144 } */ shmctl_args; 145 struct sys_shmdt_args /* { 146 syscallarg(void *) shmaddr; 147 } */ shmdt_args; 148 struct sys_shmget_args /* { 149 syscallarg(key_t) key; 150 syscallarg(int) size; 151 syscallarg(int) shmflg; 152 } */ shmget_args; 153 154 switch (SCARG(uap, which)) { 155 case 0: /* shmat() */ 156 SCARG(&shmat_args, shmid) = SCARG(uap, a2); 157 SCARG(&shmat_args, shmaddr) = 158 (void *)(u_long)SCARG(uap, a3); 159 SCARG(&shmat_args, shmflg) = SCARG(uap, a4); 160 return (sys_shmat(l, &shmat_args, retval)); 161 162 case 1: /* shmctl() */ 163 SCARG(&shmctl_args, shmid) = SCARG(uap, a2); 164 SCARG(&shmctl_args, cmd) = SCARG(uap, a3); 165 SCARG(&shmctl_args, buf) = 166 (struct shmid_ds14 *)(u_long)SCARG(uap, a4); 167 return (compat_14_sys_shmctl(l, &shmctl_args, retval)); 168 169 case 2: /* shmdt() */ 170 SCARG(&shmdt_args, shmaddr) = 171 (void *)(u_long)SCARG(uap, a2); 172 return (sys_shmdt(l, &shmdt_args, retval)); 173 174 case 3: /* shmget() */ 175 SCARG(&shmget_args, key) = SCARG(uap, a2); 176 SCARG(&shmget_args, size) = SCARG(uap, a3); 177 SCARG(&shmget_args, shmflg) = SCARG(uap, a4); 178 return (sys_shmget(l, &shmget_args, retval)); 179 180 default: 181 return (EINVAL); 182 } 183 } 184 #endif 185 186 #ifdef SYSVMSG 187 int 188 compat_10_sys_msgsys(l, v, retval) 189 struct lwp *l; 190 void *v; 191 register_t *retval; 192 { 193 struct compat_10_sys_msgsys_args /* { 194 syscallarg(int) which; 195 syscallarg(int) a2; 196 syscallarg(int) a3; 197 syscallarg(int) a4; 198 syscallarg(int) a5; 199 syscallarg(int) a6; 200 } */ *uap = v; 201 struct compat_14_sys_msgctl_args /* { 202 syscallarg(int) msqid; 203 syscallarg(int) cmd; 204 syscallarg(struct msqid14_ds *) buf; 205 } */ msgctl_args; 206 struct sys_msgget_args /* { 207 syscallarg(key_t) key; 208 syscallarg(int) msgflg; 209 } */ msgget_args; 210 struct sys_msgsnd_args /* { 211 syscallarg(int) msqid; 212 syscallarg(void *) msgp; 213 syscallarg(size_t) msgsz; 214 syscallarg(int) msgflg; 215 } */ msgsnd_args; 216 struct sys_msgrcv_args /* { 217 syscallarg(int) msqid; 218 syscallarg(void *) msgp; 219 syscallarg(size_t) msgsz; 220 syscallarg(long) msgtyp; 221 syscallarg(int) msgflg; 222 } */ msgrcv_args; 223 224 switch (SCARG(uap, which)) { 225 case 0: /* msgctl()*/ 226 SCARG(&msgctl_args, msqid) = SCARG(uap, a2); 227 SCARG(&msgctl_args, cmd) = SCARG(uap, a3); 228 SCARG(&msgctl_args, buf) = 229 (struct msqid_ds14 *)(u_long)SCARG(uap, a4); 230 return (compat_14_sys_msgctl(l, &msgctl_args, retval)); 231 232 case 1: /* msgget() */ 233 SCARG(&msgget_args, key) = SCARG(uap, a2); 234 SCARG(&msgget_args, msgflg) = SCARG(uap, a3); 235 return (sys_msgget(l, &msgget_args, retval)); 236 237 case 2: /* msgsnd() */ 238 SCARG(&msgsnd_args, msqid) = SCARG(uap, a2); 239 SCARG(&msgsnd_args, msgp) = 240 (void *)(u_long)SCARG(uap, a3); 241 SCARG(&msgsnd_args, msgsz) = SCARG(uap, a4); 242 SCARG(&msgsnd_args, msgflg) = SCARG(uap, a5); 243 return (sys_msgsnd(l, &msgsnd_args, retval)); 244 245 case 3: /* msgrcv() */ 246 SCARG(&msgrcv_args, msqid) = SCARG(uap, a2); 247 SCARG(&msgrcv_args, msgp) = 248 (void *)(u_long)SCARG(uap, a3); 249 SCARG(&msgrcv_args, msgsz) = SCARG(uap, a4); 250 SCARG(&msgrcv_args, msgtyp) = SCARG(uap, a5); 251 SCARG(&msgrcv_args, msgflg) = SCARG(uap, a6); 252 return (sys_msgrcv(l, &msgrcv_args, retval)); 253 254 default: 255 return (EINVAL); 256 } 257 } 258 #endif 259
Indexes created Tue Sep 30 20:09:53 GMT 2025