kern_ipc_10.c revision 1.12.2.1
1 /* $NetBSD: kern_ipc_10.c,v 1.12.2.1 2001/03/05 22:49:19 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 "opt_sysv.h" 34 35 #include <sys/param.h> 36 #include <sys/systm.h> 37 #include <sys/kernel.h> 38 #include <sys/lwp.h> 39 #include <sys/proc.h> 40 #include <sys/sem.h> 41 #include <sys/malloc.h> 42 43 #include <sys/mount.h> 44 #include <sys/syscallargs.h> 45 46 #include <compat/common/compat_util.h> 47 48 #ifdef SYSVSEM 49 int 50 compat_10_sys_semsys(l, v, retval) 51 struct lwp *l; 52 void *v; 53 register_t *retval; 54 { 55 struct compat_10_sys_semsys_args /* { 56 syscallarg(int) which; 57 syscallarg(int) a2; 58 syscallarg(int) a3; 59 syscallarg(int) a4; 60 syscallarg(int) a5; 61 } */ *uap = v; 62 struct compat_14_sys___semctl_args /* { 63 syscallarg(int) semid; 64 syscallarg(int) semnum; 65 syscallarg(int) cmd; 66 syscallarg(union __semun *) arg; 67 } */ __semctl_args; 68 struct sys_semget_args /* { 69 syscallarg(key_t) key; 70 syscallarg(int) nsems; 71 syscallarg(int) semflg; 72 } */ semget_args; 73 struct sys_semop_args /* { 74 syscallarg(int) semid; 75 syscallarg(struct sembuf *) sops; 76 syscallarg(u_int) nsops; 77 } */ semop_args; 78 struct sys_semconfig_args /* { 79 syscallarg(int) flag; 80 } */ semconfig_args; 81 struct proc *p = l->l_proc; 82 caddr_t sg = stackgap_init(p->p_emul); 83 84 switch (SCARG(uap, which)) { 85 case 0: /* __semctl() */ 86 SCARG(&__semctl_args, semid) = SCARG(uap, a2); 87 SCARG(&__semctl_args, semnum) = SCARG(uap, a3); 88 SCARG(&__semctl_args, cmd) = SCARG(uap, a4); 89 SCARG(&__semctl_args, arg) = stackgap_alloc(&sg, 90 sizeof(union semun *)); 91 copyout(&SCARG(uap, a5), SCARG(&__semctl_args, arg), 92 sizeof(union __semun)); 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) = 104 (struct sembuf *)(u_long)SCARG(uap, a3); 105 SCARG(&semop_args, nsops) = SCARG(uap, a4); 106 return (sys_semop(l, &semop_args, retval)); 107 108 case 3: /* semconfig() */ 109 SCARG(&semconfig_args, flag) = SCARG(uap, a2); 110 return (sys_semconfig(l, &semconfig_args, retval)); 111 112 default: 113 return (EINVAL); 114 } 115 } 116 #endif 117 118 #ifdef SYSVSHM 119 int 120 compat_10_sys_shmsys(l, v, retval) 121 struct lwp *l; 122 void *v; 123 register_t *retval; 124 { 125 struct compat_10_sys_shmsys_args /* { 126 syscallarg(int) which; 127 syscallarg(int) a2; 128 syscallarg(int) a3; 129 syscallarg(int) a4; 130 } */ *uap = v; 131 struct sys_shmat_args /* { 132 syscallarg(int) shmid; 133 syscallarg(void *) shmaddr; 134 syscallarg(int) shmflg; 135 } */ shmat_args; 136 struct compat_14_sys_shmctl_args /* { 137 syscallarg(int) shmid; 138 syscallarg(int) cmd; 139 syscallarg(struct shmid14_ds *) buf; 140 } */ shmctl_args; 141 struct sys_shmdt_args /* { 142 syscallarg(void *) shmaddr; 143 } */ shmdt_args; 144 struct sys_shmget_args /* { 145 syscallarg(key_t) key; 146 syscallarg(int) size; 147 syscallarg(int) shmflg; 148 } */ shmget_args; 149 150 switch (SCARG(uap, which)) { 151 case 0: /* shmat() */ 152 SCARG(&shmat_args, shmid) = SCARG(uap, a2); 153 SCARG(&shmat_args, shmaddr) = 154 (void *)(u_long)SCARG(uap, a3); 155 SCARG(&shmat_args, shmflg) = SCARG(uap, a4); 156 return (sys_shmat(l, &shmat_args, retval)); 157 158 case 1: /* shmctl() */ 159 SCARG(&shmctl_args, shmid) = SCARG(uap, a2); 160 SCARG(&shmctl_args, cmd) = SCARG(uap, a3); 161 SCARG(&shmctl_args, buf) = 162 (struct shmid_ds14 *)(u_long)SCARG(uap, a4); 163 return (compat_14_sys_shmctl(l, &shmctl_args, retval)); 164 165 case 2: /* shmdt() */ 166 SCARG(&shmdt_args, shmaddr) = 167 (void *)(u_long)SCARG(uap, a2); 168 return (sys_shmdt(l, &shmdt_args, retval)); 169 170 case 3: /* shmget() */ 171 SCARG(&shmget_args, key) = SCARG(uap, a2); 172 SCARG(&shmget_args, size) = SCARG(uap, a3); 173 SCARG(&shmget_args, shmflg) = SCARG(uap, a4); 174 return (sys_shmget(l, &shmget_args, retval)); 175 176 default: 177 return (EINVAL); 178 } 179 } 180 #endif 181 182 #ifdef SYSVMSG 183 int 184 compat_10_sys_msgsys(l, v, retval) 185 struct lwp *l; 186 void *v; 187 register_t *retval; 188 { 189 struct compat_10_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 msqid14_ds *) 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 *)(u_long)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) = 236 (void *)(u_long)SCARG(uap, a3); 237 SCARG(&msgsnd_args, msgsz) = SCARG(uap, a4); 238 SCARG(&msgsnd_args, msgflg) = SCARG(uap, a5); 239 return (sys_msgsnd(l, &msgsnd_args, retval)); 240 241 case 3: /* msgrcv() */ 242 SCARG(&msgrcv_args, msqid) = SCARG(uap, a2); 243 SCARG(&msgrcv_args, msgp) = 244 (void *)(u_long)SCARG(uap, a3); 245 SCARG(&msgrcv_args, msgsz) = SCARG(uap, a4); 246 SCARG(&msgrcv_args, msgtyp) = SCARG(uap, a5); 247 SCARG(&msgrcv_args, msgflg) = SCARG(uap, a6); 248 return (sys_msgrcv(l, &msgrcv_args, retval)); 249 250 default: 251 return (EINVAL); 252 } 253 } 254 #endif 255
Indexes created Tue Sep 30 20:09:53 GMT 2025