kern_ipc_10.c revision 1.9.2.1
1 /* $NetBSD: kern_ipc_10.c,v 1.9.2.1 2000/11/20 18:08:07 bouyer 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 #ifdef SYSVSEM 48 int 49 compat_10_sys_semsys(p, v, retval) 50 struct proc *p; 51 void *v; 52 register_t *retval; 53 { 54 struct compat_10_sys_semsys_args /* { 55 syscallarg(int) which; 56 syscallarg(int) a2; 57 syscallarg(int) a3; 58 syscallarg(int) a4; 59 syscallarg(int) a5; 60 } */ *uap = v; 61 struct compat_14_sys___semctl_args /* { 62 syscallarg(int) semid; 63 syscallarg(int) semnum; 64 syscallarg(int) cmd; 65 syscallarg(union __semun *) arg; 66 } */ __semctl_args; 67 struct sys_semget_args /* { 68 syscallarg(key_t) key; 69 syscallarg(int) nsems; 70 syscallarg(int) semflg; 71 } */ semget_args; 72 struct sys_semop_args /* { 73 syscallarg(int) semid; 74 syscallarg(struct sembuf *) sops; 75 syscallarg(u_int) nsops; 76 } */ semop_args; 77 struct sys_semconfig_args /* { 78 syscallarg(int) flag; 79 } */ semconfig_args; 80 caddr_t sg = stackgap_init(p->p_emul); 81 82 switch (SCARG(uap, which)) { 83 case 0: /* __semctl() */ 84 SCARG(&__semctl_args, semid) = SCARG(uap, a2); 85 SCARG(&__semctl_args, semnum) = SCARG(uap, a3); 86 SCARG(&__semctl_args, cmd) = SCARG(uap, a4); 87 SCARG(&__semctl_args, arg) = stackgap_alloc(&sg, 88 sizeof(union semun *)); 89 copyout(&SCARG(uap, a5), SCARG(&__semctl_args, arg), 90 sizeof(union __semun)); 91 return (compat_14_sys___semctl(p, &__semctl_args, retval)); 92 93 case 1: /* semget() */ 94 SCARG(&semget_args, key) = SCARG(uap, a2); 95 SCARG(&semget_args, nsems) = SCARG(uap, a3); 96 SCARG(&semget_args, semflg) = SCARG(uap, a4); 97 return (sys_semget(p, &semget_args, retval)); 98 99 case 2: /* semop() */ 100 SCARG(&semop_args, semid) = SCARG(uap, a2); 101 SCARG(&semop_args, sops) = 102 (struct sembuf *)(u_long)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 compat_10_sys_shmsys(p, v, retval) 119 struct proc *p; 120 void *v; 121 register_t *retval; 122 { 123 struct compat_10_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 shmid14_ds *) 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) = 152 (void *)(u_long)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) = 160 (struct shmid_ds14 *)(u_long)SCARG(uap, a4); 161 return (compat_14_sys_shmctl(p, &shmctl_args, retval)); 162 163 case 2: /* shmdt() */ 164 SCARG(&shmdt_args, shmaddr) = 165 (void *)(u_long)SCARG(uap, a2); 166 return (sys_shmdt(p, &shmdt_args, retval)); 167 168 case 3: /* shmget() */ 169 SCARG(&shmget_args, key) = SCARG(uap, a2); 170 SCARG(&shmget_args, size) = SCARG(uap, a3); 171 SCARG(&shmget_args, shmflg) = SCARG(uap, a4); 172 return (sys_shmget(p, &shmget_args, retval)); 173 174 default: 175 return (EINVAL); 176 } 177 } 178 #endif 179 180 #ifdef SYSVMSG 181 int 182 compat_10_sys_msgsys(p, v, retval) 183 struct proc *p; 184 void *v; 185 register_t *retval; 186 { 187 struct compat_10_sys_msgsys_args /* { 188 syscallarg(int) which; 189 syscallarg(int) a2; 190 syscallarg(int) a3; 191 syscallarg(int) a4; 192 syscallarg(int) a5; 193 syscallarg(int) a6; 194 } */ *uap = v; 195 struct compat_14_sys_msgctl_args /* { 196 syscallarg(int) msqid; 197 syscallarg(int) cmd; 198 syscallarg(struct msqid14_ds *) buf; 199 } */ msgctl_args; 200 struct sys_msgget_args /* { 201 syscallarg(key_t) key; 202 syscallarg(int) msgflg; 203 } */ msgget_args; 204 struct sys_msgsnd_args /* { 205 syscallarg(int) msqid; 206 syscallarg(void *) msgp; 207 syscallarg(size_t) msgsz; 208 syscallarg(int) msgflg; 209 } */ msgsnd_args; 210 struct sys_msgrcv_args /* { 211 syscallarg(int) msqid; 212 syscallarg(void *) msgp; 213 syscallarg(size_t) msgsz; 214 syscallarg(long) msgtyp; 215 syscallarg(int) msgflg; 216 } */ msgrcv_args; 217 218 switch (SCARG(uap, which)) { 219 case 0: /* msgctl()*/ 220 SCARG(&msgctl_args, msqid) = SCARG(uap, a2); 221 SCARG(&msgctl_args, cmd) = SCARG(uap, a3); 222 SCARG(&msgctl_args, buf) = 223 (struct msqid_ds14 *)(u_long)SCARG(uap, a4); 224 return (compat_14_sys_msgctl(p, &msgctl_args, retval)); 225 226 case 1: /* msgget() */ 227 SCARG(&msgget_args, key) = SCARG(uap, a2); 228 SCARG(&msgget_args, msgflg) = SCARG(uap, a3); 229 return (sys_msgget(p, &msgget_args, retval)); 230 231 case 2: /* msgsnd() */ 232 SCARG(&msgsnd_args, msqid) = SCARG(uap, a2); 233 SCARG(&msgsnd_args, msgp) = 234 (void *)(u_long)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) = 242 (void *)(u_long)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(p, &msgrcv_args, retval)); 247 248 default: 249 return (EINVAL); 250 } 251 } 252 #endif 253
Indexes created Tue Sep 30 20:09:53 GMT 2025