kern_ipc_10.c revision 1.12.2.5
1 /* $NetBSD: kern_ipc_10.c,v 1.12.2.5 2002/07/12 01:39:57 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 1.12.2.5 2002/07/12 01:39:57 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/proc.h> 42 #include <sys/sem.h> 43 #include <sys/malloc.h> 44 45 #include <sys/mount.h> 46 #include <sys/sa.h> 47 #include <sys/syscallargs.h> 48 49 #include <compat/common/compat_util.h> 50 51 #ifdef SYSVSEM 52 int 53 compat_10_sys_semsys(l, v, retval) 54 struct lwp *l; 55 void *v; 56 register_t *retval; 57 { 58 struct compat_10_sys_semsys_args /* { 59 syscallarg(int) which; 60 syscallarg(int) a2; 61 syscallarg(int) a3; 62 syscallarg(int) a4; 63 syscallarg(int) a5; 64 } */ *uap = v; 65 struct compat_14_sys___semctl_args /* { 66 syscallarg(int) semid; 67 syscallarg(int) semnum; 68 syscallarg(int) cmd; 69 syscallarg(union __semun *) arg; 70 } */ __semctl_args; 71 struct sys_semget_args /* { 72 syscallarg(key_t) key; 73 syscallarg(int) nsems; 74 syscallarg(int) semflg; 75 } */ semget_args; 76 struct sys_semop_args /* { 77 syscallarg(int) semid; 78 syscallarg(struct sembuf *) sops; 79 syscallarg(u_int) nsops; 80 } */ semop_args; 81 struct sys_semconfig_args /* { 82 syscallarg(int) flag; 83 } */ semconfig_args; 84 struct proc *p = l->l_proc; 85 caddr_t sg = stackgap_init(p, 0); 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) = stackgap_alloc(p, &sg, 93 sizeof(union semun *)); 94 copyout(&SCARG(uap, a5), SCARG(&__semctl_args, arg), 95 sizeof(union __semun)); 96 return (compat_14_sys___semctl(l, &__semctl_args, retval)); 97 98 case 1: /* semget() */ 99 SCARG(&semget_args, key) = SCARG(uap, a2); 100 SCARG(&semget_args, nsems) = SCARG(uap, a3); 101 SCARG(&semget_args, semflg) = SCARG(uap, a4); 102 return (sys_semget(l, &semget_args, retval)); 103 104 case 2: /* semop() */ 105 SCARG(&semop_args, semid) = SCARG(uap, a2); 106 SCARG(&semop_args, sops) = 107 (struct sembuf *)(u_long)SCARG(uap, a3); 108 SCARG(&semop_args, nsops) = SCARG(uap, a4); 109 return (sys_semop(l, &semop_args, retval)); 110 111 case 3: /* semconfig() */ 112 SCARG(&semconfig_args, flag) = SCARG(uap, a2); 113 return (sys_semconfig(l, &semconfig_args, retval)); 114 115 default: 116 return (EINVAL); 117 } 118 } 119 #endif 120 121 #ifdef SYSVSHM 122 int 123 compat_10_sys_shmsys(l, v, retval) 124 struct lwp *l; 125 void *v; 126 register_t *retval; 127 { 128 struct compat_10_sys_shmsys_args /* { 129 syscallarg(int) which; 130 syscallarg(int) a2; 131 syscallarg(int) a3; 132 syscallarg(int) a4; 133 } */ *uap = v; 134 struct sys_shmat_args /* { 135 syscallarg(int) shmid; 136 syscallarg(void *) shmaddr; 137 syscallarg(int) shmflg; 138 } */ shmat_args; 139 struct compat_14_sys_shmctl_args /* { 140 syscallarg(int) shmid; 141 syscallarg(int) cmd; 142 syscallarg(struct shmid14_ds *) buf; 143 } */ shmctl_args; 144 struct sys_shmdt_args /* { 145 syscallarg(void *) shmaddr; 146 } */ shmdt_args; 147 struct sys_shmget_args /* { 148 syscallarg(key_t) key; 149 syscallarg(int) size; 150 syscallarg(int) shmflg; 151 } */ shmget_args; 152 153 switch (SCARG(uap, which)) { 154 case 0: /* shmat() */ 155 SCARG(&shmat_args, shmid) = SCARG(uap, a2); 156 SCARG(&shmat_args, shmaddr) = 157 (void *)(u_long)SCARG(uap, a3); 158 SCARG(&shmat_args, shmflg) = SCARG(uap, a4); 159 return (sys_shmat(l, &shmat_args, retval)); 160 161 case 1: /* shmctl() */ 162 SCARG(&shmctl_args, shmid) = SCARG(uap, a2); 163 SCARG(&shmctl_args, cmd) = SCARG(uap, a3); 164 SCARG(&shmctl_args, buf) = 165 (struct shmid_ds14 *)(u_long)SCARG(uap, a4); 166 return (compat_14_sys_shmctl(l, &shmctl_args, retval)); 167 168 case 2: /* shmdt() */ 169 SCARG(&shmdt_args, shmaddr) = 170 (void *)(u_long)SCARG(uap, a2); 171 return (sys_shmdt(l, &shmdt_args, retval)); 172 173 case 3: /* shmget() */ 174 SCARG(&shmget_args, key) = SCARG(uap, a2); 175 SCARG(&shmget_args, size) = SCARG(uap, a3); 176 SCARG(&shmget_args, shmflg) = SCARG(uap, a4); 177 return (sys_shmget(l, &shmget_args, retval)); 178 179 default: 180 return (EINVAL); 181 } 182 } 183 #endif 184 185 #ifdef SYSVMSG 186 int 187 compat_10_sys_msgsys(l, v, retval) 188 struct lwp *l; 189 void *v; 190 register_t *retval; 191 { 192 struct compat_10_sys_msgsys_args /* { 193 syscallarg(int) which; 194 syscallarg(int) a2; 195 syscallarg(int) a3; 196 syscallarg(int) a4; 197 syscallarg(int) a5; 198 syscallarg(int) a6; 199 } */ *uap = v; 200 struct compat_14_sys_msgctl_args /* { 201 syscallarg(int) msqid; 202 syscallarg(int) cmd; 203 syscallarg(struct msqid14_ds *) buf; 204 } */ msgctl_args; 205 struct sys_msgget_args /* { 206 syscallarg(key_t) key; 207 syscallarg(int) msgflg; 208 } */ msgget_args; 209 struct sys_msgsnd_args /* { 210 syscallarg(int) msqid; 211 syscallarg(void *) msgp; 212 syscallarg(size_t) msgsz; 213 syscallarg(int) msgflg; 214 } */ msgsnd_args; 215 struct sys_msgrcv_args /* { 216 syscallarg(int) msqid; 217 syscallarg(void *) msgp; 218 syscallarg(size_t) msgsz; 219 syscallarg(long) msgtyp; 220 syscallarg(int) msgflg; 221 } */ msgrcv_args; 222 223 switch (SCARG(uap, which)) { 224 case 0: /* msgctl()*/ 225 SCARG(&msgctl_args, msqid) = SCARG(uap, a2); 226 SCARG(&msgctl_args, cmd) = SCARG(uap, a3); 227 SCARG(&msgctl_args, buf) = 228 (struct msqid_ds14 *)(u_long)SCARG(uap, a4); 229 return (compat_14_sys_msgctl(l, &msgctl_args, retval)); 230 231 case 1: /* msgget() */ 232 SCARG(&msgget_args, key) = SCARG(uap, a2); 233 SCARG(&msgget_args, msgflg) = SCARG(uap, a3); 234 return (sys_msgget(l, &msgget_args, retval)); 235 236 case 2: /* msgsnd() */ 237 SCARG(&msgsnd_args, msqid) = SCARG(uap, a2); 238 SCARG(&msgsnd_args, msgp) = 239 (void *)(u_long)SCARG(uap, a3); 240 SCARG(&msgsnd_args, msgsz) = SCARG(uap, a4); 241 SCARG(&msgsnd_args, msgflg) = SCARG(uap, a5); 242 return (sys_msgsnd(l, &msgsnd_args, retval)); 243 244 case 3: /* msgrcv() */ 245 SCARG(&msgrcv_args, msqid) = SCARG(uap, a2); 246 SCARG(&msgrcv_args, msgp) = 247 (void *)(u_long)SCARG(uap, a3); 248 SCARG(&msgrcv_args, msgsz) = SCARG(uap, a4); 249 SCARG(&msgrcv_args, msgtyp) = SCARG(uap, a5); 250 SCARG(&msgrcv_args, msgflg) = SCARG(uap, a6); 251 return (sys_msgrcv(l, &msgrcv_args, retval)); 252 253 default: 254 return (EINVAL); 255 } 256 } 257 #endif 258
Indexes created Tue Sep 30 17:09:57 GMT 2025