1 /* $NetBSD: freebsd_ipc.c,v 1.17 2014/11/09 18:30:38 maxv 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 1.17 2014/11/09 18:30:38 maxv 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/shm.h> 46 47 #include <sys/mount.h> 48 #include <sys/syscallargs.h> 49 50 #include <compat/sys/shm.h> 51 #include <compat/freebsd/freebsd_syscallargs.h> 52 53 #ifdef SYSVSEM 54 int 55 freebsd_sys_semsys(struct lwp *l, const struct freebsd_sys_semsys_args *uap, register_t *retval) 56 { 57 /* { 58 syscallarg(int) which; 59 syscallarg(int) a2; 60 syscallarg(int) a3; 61 syscallarg(int) a4; 62 syscallarg(int) a5; 63 } */ 64 struct compat_14_sys___semctl_args /* { 65 syscallarg(int) semid; 66 syscallarg(int) semnum; 67 syscallarg(int) cmd; 68 syscallarg(union __semun *) arg; 69 } */ __semctl_args; 70 struct sys_semget_args /* { 71 syscallarg(key_t) key; 72 syscallarg(int) nsems; 73 syscallarg(int) semflg; 74 } */ semget_args; 75 struct sys_semop_args /* { 76 syscallarg(int) semid; 77 syscallarg(struct sembuf *) sops; 78 syscallarg(u_int) nsops; 79 } */ semop_args; 80 struct sys_semconfig_args /* { 81 syscallarg(int) flag; 82 } */ semconfig_args; 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) = (union __semun *)SCARG(uap, a5); 90 return (compat_14_sys___semctl(l, &__semctl_args, retval)); 91 92 case 1: /* semget() */ 93 SCARG(&semget_args, key) = SCARG(uap, a2); 94 SCARG(&semget_args, nsems) = SCARG(uap, a3); 95 SCARG(&semget_args, semflg) = SCARG(uap, a4); 96 return (sys_semget(l, &semget_args, retval)); 97 98 case 2: /* semop() */ 99 SCARG(&semop_args, semid) = SCARG(uap, a2); 100 SCARG(&semop_args, sops) = (struct sembuf *)SCARG(uap, a3); 101 SCARG(&semop_args, nsops) = SCARG(uap, a4); 102 return (sys_semop(l, &semop_args, retval)); 103 104 case 3: /* semconfig() */ 105 SCARG(&semconfig_args, flag) = SCARG(uap, a2); 106 return (sys_semconfig(l, &semconfig_args, retval)); 107 108 default: 109 return (EINVAL); 110 } 111 } 112 #endif 113 114 #ifdef SYSVSHM 115 int 116 freebsd_sys_shmsys(struct lwp *l, const struct freebsd_sys_shmsys_args *uap, register_t *retval) 117 { 118 /* { 119 syscallarg(int) which; 120 syscallarg(int) a2; 121 syscallarg(int) a3; 122 syscallarg(int) a4; 123 } */ 124 struct sys_shmat_args /* { 125 syscallarg(int) shmid; 126 syscallarg(void *) shmaddr; 127 syscallarg(int) shmflg; 128 } */ shmat_args; 129 struct compat_14_sys_shmctl_args /* { 130 syscallarg(int) shmid; 131 syscallarg(int) cmd; 132 syscallarg(struct shmid_ds14 *) buf; 133 } */ shmctl_args; 134 struct sys_shmdt_args /* { 135 syscallarg(void *) shmaddr; 136 } */ shmdt_args; 137 struct sys_shmget_args /* { 138 syscallarg(key_t) key; 139 syscallarg(int) size; 140 syscallarg(int) shmflg; 141 } */ shmget_args; 142 143 switch (SCARG(uap, which)) { 144 case 0: /* shmat() */ 145 SCARG(&shmat_args, shmid) = SCARG(uap, a2); 146 SCARG(&shmat_args, shmaddr) = (void *)SCARG(uap, a3); 147 SCARG(&shmat_args, shmflg) = SCARG(uap, a4); 148 return (sys_shmat(l, &shmat_args, retval)); 149 150 case 1: /* oshmctl() */ 151 /* XXX Need to translate shmid_ds format. */ 152 return (EINVAL); 153 154 case 2: /* shmdt() */ 155 SCARG(&shmdt_args, shmaddr) = (void *)SCARG(uap, a2); 156 return (sys_shmdt(l, &shmdt_args, retval)); 157 158 case 3: /* shmget() */ 159 SCARG(&shmget_args, key) = SCARG(uap, a2); 160 SCARG(&shmget_args, size) = SCARG(uap, a3); 161 SCARG(&shmget_args, shmflg) = SCARG(uap, a4); 162 return (sys_shmget(l, &shmget_args, retval)); 163 164 case 4: /* shmctl() */ 165 SCARG(&shmctl_args, shmid) = SCARG(uap, a2); 166 SCARG(&shmctl_args, cmd) = SCARG(uap, a3); 167 SCARG(&shmctl_args, buf) = (struct shmid_ds14 *)SCARG(uap, a4); 168 return (compat_14_sys_shmctl(l, &shmctl_args, retval)); 169 170 default: 171 return (EINVAL); 172 } 173 } 174 #endif 175 176 #ifdef SYSVMSG 177 int 178 freebsd_sys_msgsys(struct lwp *l, const struct freebsd_sys_msgsys_args *uap, register_t *retval) 179 { 180 /* { 181 syscallarg(int) which; 182 syscallarg(int) a2; 183 syscallarg(int) a3; 184 syscallarg(int) a4; 185 syscallarg(int) a5; 186 syscallarg(int) a6; 187 } */ 188 struct compat_14_sys_msgctl_args /* { 189 syscallarg(int) msqid; 190 syscallarg(int) cmd; 191 syscallarg(struct msqid_ds14 *) buf; 192 } */ msgctl_args; 193 struct sys_msgget_args /* { 194 syscallarg(key_t) key; 195 syscallarg(int) msgflg; 196 } */ msgget_args; 197 struct sys_msgsnd_args /* { 198 syscallarg(int) msqid; 199 syscallarg(void *) msgp; 200 syscallarg(size_t) msgsz; 201 syscallarg(int) msgflg; 202 } */ msgsnd_args; 203 struct sys_msgrcv_args /* { 204 syscallarg(int) msqid; 205 syscallarg(void *) msgp; 206 syscallarg(size_t) msgsz; 207 syscallarg(long) msgtyp; 208 syscallarg(int) msgflg; 209 } */ msgrcv_args; 210 211 switch (SCARG(uap, which)) { 212 case 0: /* msgctl()*/ 213 SCARG(&msgctl_args, msqid) = SCARG(uap, a2); 214 SCARG(&msgctl_args, cmd) = SCARG(uap, a3); 215 SCARG(&msgctl_args, buf) = 216 (struct msqid_ds14 *)SCARG(uap, a4); 217 return (compat_14_sys_msgctl(l, &msgctl_args, retval)); 218 219 case 1: /* msgget() */ 220 SCARG(&msgget_args, key) = SCARG(uap, a2); 221 SCARG(&msgget_args, msgflg) = SCARG(uap, a3); 222 return (sys_msgget(l, &msgget_args, retval)); 223 224 case 2: /* msgsnd() */ 225 SCARG(&msgsnd_args, msqid) = SCARG(uap, a2); 226 SCARG(&msgsnd_args, msgp) = (void *)SCARG(uap, a3); 227 SCARG(&msgsnd_args, msgsz) = SCARG(uap, a4); 228 SCARG(&msgsnd_args, msgflg) = SCARG(uap, a5); 229 return (sys_msgsnd(l, &msgsnd_args, retval)); 230 231 case 3: /* msgrcv() */ 232 SCARG(&msgrcv_args, msqid) = SCARG(uap, a2); 233 SCARG(&msgrcv_args, msgp) = (void *)SCARG(uap, a3); 234 SCARG(&msgrcv_args, msgsz) = SCARG(uap, a4); 235 SCARG(&msgrcv_args, msgtyp) = SCARG(uap, a5); 236 SCARG(&msgrcv_args, msgflg) = SCARG(uap, a6); 237 return (sys_msgrcv(l, &msgrcv_args, retval)); 238 239 default: 240 return (EINVAL); 241 } 242 } 243 #endif 244
Indexes created Sat Sep 20 22:09:52 GMT 2025