freebsd_ipc.c revision 1.16
1 /* $NetBSD: freebsd_ipc.c,v 1.16 2009/01/11 02:45:47 christos 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 1.16 2009/01/11 02:45:47 christos 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 #include <sys/malloc.h> 47 48 #include <sys/mount.h> 49 #include <sys/syscallargs.h> 50 51 #include <compat/sys/shm.h> 52 #include <compat/freebsd/freebsd_syscallargs.h> 53 54 #ifdef SYSVSEM 55 int 56 freebsd_sys_semsys(struct lwp *l, const struct freebsd_sys_semsys_args *uap, register_t *retval) 57 { 58 /* { 59 syscallarg(int) which; 60 syscallarg(int) a2; 61 syscallarg(int) a3; 62 syscallarg(int) a4; 63 syscallarg(int) a5; 64 } */ 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 85 switch (SCARG(uap, which)) { 86 case 0: /* __semctl() */ 87 SCARG(&__semctl_args, semid) = SCARG(uap, a2); 88 SCARG(&__semctl_args, semnum) = SCARG(uap, a3); 89 SCARG(&__semctl_args, cmd) = SCARG(uap, a4); 90 SCARG(&__semctl_args, arg) = (union __semun *)SCARG(uap, a5); 91 return (compat_14_sys___semctl(l, &__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(l, &semget_args, retval)); 98 99 case 2: /* semop() */ 100 SCARG(&semop_args, semid) = SCARG(uap, a2); 101 SCARG(&semop_args, sops) = (struct sembuf *)SCARG(uap, a3); 102 SCARG(&semop_args, nsops) = SCARG(uap, a4); 103 return (sys_semop(l, &semop_args, retval)); 104 105 case 3: /* semconfig() */ 106 SCARG(&semconfig_args, flag) = SCARG(uap, a2); 107 return (sys_semconfig(l, &semconfig_args, retval)); 108 109 default: 110 return (EINVAL); 111 } 112 } 113 #endif 114 115 #ifdef SYSVSHM 116 int 117 freebsd_sys_shmsys(struct lwp *l, const struct freebsd_sys_shmsys_args *uap, register_t *retval) 118 { 119 /* { 120 syscallarg(int) which; 121 syscallarg(int) a2; 122 syscallarg(int) a3; 123 syscallarg(int) a4; 124 } */ 125 struct sys_shmat_args /* { 126 syscallarg(int) shmid; 127 syscallarg(void *) shmaddr; 128 syscallarg(int) shmflg; 129 } */ shmat_args; 130 struct compat_14_sys_shmctl_args /* { 131 syscallarg(int) shmid; 132 syscallarg(int) cmd; 133 syscallarg(struct shmid_ds14 *) buf; 134 } */ shmctl_args; 135 struct sys_shmdt_args /* { 136 syscallarg(void *) shmaddr; 137 } */ shmdt_args; 138 struct sys_shmget_args /* { 139 syscallarg(key_t) key; 140 syscallarg(int) size; 141 syscallarg(int) shmflg; 142 } */ shmget_args; 143 144 switch (SCARG(uap, which)) { 145 case 0: /* shmat() */ 146 SCARG(&shmat_args, shmid) = SCARG(uap, a2); 147 SCARG(&shmat_args, shmaddr) = (void *)SCARG(uap, a3); 148 SCARG(&shmat_args, shmflg) = SCARG(uap, a4); 149 return (sys_shmat(l, &shmat_args, retval)); 150 151 case 1: /* oshmctl() */ 152 /* XXX Need to translate shmid_ds format. */ 153 return (EINVAL); 154 155 case 2: /* shmdt() */ 156 SCARG(&shmdt_args, shmaddr) = (void *)SCARG(uap, a2); 157 return (sys_shmdt(l, &shmdt_args, retval)); 158 159 case 3: /* shmget() */ 160 SCARG(&shmget_args, key) = SCARG(uap, a2); 161 SCARG(&shmget_args, size) = SCARG(uap, a3); 162 SCARG(&shmget_args, shmflg) = SCARG(uap, a4); 163 return (sys_shmget(l, &shmget_args, retval)); 164 165 case 4: /* shmctl() */ 166 SCARG(&shmctl_args, shmid) = SCARG(uap, a2); 167 SCARG(&shmctl_args, cmd) = SCARG(uap, a3); 168 SCARG(&shmctl_args, buf) = (struct shmid_ds14 *)SCARG(uap, a4); 169 return (compat_14_sys_shmctl(l, &shmctl_args, retval)); 170 171 default: 172 return (EINVAL); 173 } 174 } 175 #endif 176 177 #ifdef SYSVMSG 178 int 179 freebsd_sys_msgsys(struct lwp *l, const struct freebsd_sys_msgsys_args *uap, register_t *retval) 180 { 181 /* { 182 syscallarg(int) which; 183 syscallarg(int) a2; 184 syscallarg(int) a3; 185 syscallarg(int) a4; 186 syscallarg(int) a5; 187 syscallarg(int) a6; 188 } */ 189 struct compat_14_sys_msgctl_args /* { 190 syscallarg(int) msqid; 191 syscallarg(int) cmd; 192 syscallarg(struct msqid_ds14 *) buf; 193 } */ msgctl_args; 194 struct sys_msgget_args /* { 195 syscallarg(key_t) key; 196 syscallarg(int) msgflg; 197 } */ msgget_args; 198 struct sys_msgsnd_args /* { 199 syscallarg(int) msqid; 200 syscallarg(void *) msgp; 201 syscallarg(size_t) msgsz; 202 syscallarg(int) msgflg; 203 } */ msgsnd_args; 204 struct sys_msgrcv_args /* { 205 syscallarg(int) msqid; 206 syscallarg(void *) msgp; 207 syscallarg(size_t) msgsz; 208 syscallarg(long) msgtyp; 209 syscallarg(int) msgflg; 210 } */ msgrcv_args; 211 212 switch (SCARG(uap, which)) { 213 case 0: /* msgctl()*/ 214 SCARG(&msgctl_args, msqid) = SCARG(uap, a2); 215 SCARG(&msgctl_args, cmd) = SCARG(uap, a3); 216 SCARG(&msgctl_args, buf) = 217 (struct msqid_ds14 *)SCARG(uap, a4); 218 return (compat_14_sys_msgctl(l, &msgctl_args, retval)); 219 220 case 1: /* msgget() */ 221 SCARG(&msgget_args, key) = SCARG(uap, a2); 222 SCARG(&msgget_args, msgflg) = SCARG(uap, a3); 223 return (sys_msgget(l, &msgget_args, retval)); 224 225 case 2: /* msgsnd() */ 226 SCARG(&msgsnd_args, msqid) = SCARG(uap, a2); 227 SCARG(&msgsnd_args, msgp) = (void *)SCARG(uap, a3); 228 SCARG(&msgsnd_args, msgsz) = SCARG(uap, a4); 229 SCARG(&msgsnd_args, msgflg) = SCARG(uap, a5); 230 return (sys_msgsnd(l, &msgsnd_args, retval)); 231 232 case 3: /* msgrcv() */ 233 SCARG(&msgrcv_args, msqid) = SCARG(uap, a2); 234 SCARG(&msgrcv_args, msgp) = (void *)SCARG(uap, a3); 235 SCARG(&msgrcv_args, msgsz) = SCARG(uap, a4); 236 SCARG(&msgrcv_args, msgtyp) = SCARG(uap, a5); 237 SCARG(&msgrcv_args, msgflg) = SCARG(uap, a6); 238 return (sys_msgrcv(l, &msgrcv_args, retval)); 239 240 default: 241 return (EINVAL); 242 } 243 } 244 #endif 245
Indexes created Tue Sep 23 07:09:52 GMT 2025