freebsd_ipc.c revision 1.12
1 /* $NetBSD: freebsd_ipc.c,v 1.12 2005/11/10 18:47:53 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 1.12 2005/11/10 18:47:53 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/malloc.h> 46 47 #include <sys/mount.h> 48 #include <sys/sa.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(l, v, retval) 57 struct lwp *l; 58 void *v; 59 register_t *retval; 60 { 61 struct freebsd_sys_semsys_args /* { 62 syscallarg(int) which; 63 syscallarg(int) a2; 64 syscallarg(int) a3; 65 syscallarg(int) a4; 66 syscallarg(int) a5; 67 } */ *uap = v; 68 struct compat_14_sys___semctl_args /* { 69 syscallarg(int) semid; 70 syscallarg(int) semnum; 71 syscallarg(int) cmd; 72 syscallarg(union __semun *) arg; 73 } */ __semctl_args; 74 struct sys_semget_args /* { 75 syscallarg(key_t) key; 76 syscallarg(int) nsems; 77 syscallarg(int) semflg; 78 } */ semget_args; 79 struct sys_semop_args /* { 80 syscallarg(int) semid; 81 syscallarg(struct sembuf *) sops; 82 syscallarg(u_int) nsops; 83 } */ semop_args; 84 struct sys_semconfig_args /* { 85 syscallarg(int) flag; 86 } */ semconfig_args; 87 88 switch (SCARG(uap, which)) { 89 case 0: /* __semctl() */ 90 SCARG(&__semctl_args, semid) = SCARG(uap, a2); 91 SCARG(&__semctl_args, semnum) = SCARG(uap, a3); 92 SCARG(&__semctl_args, cmd) = SCARG(uap, a4); 93 SCARG(&__semctl_args, arg) = (union __semun *)SCARG(uap, a5); 94 return (compat_14_sys___semctl(l, &__semctl_args, retval)); 95 96 case 1: /* semget() */ 97 SCARG(&semget_args, key) = SCARG(uap, a2); 98 SCARG(&semget_args, nsems) = SCARG(uap, a3); 99 SCARG(&semget_args, semflg) = SCARG(uap, a4); 100 return (sys_semget(l, &semget_args, retval)); 101 102 case 2: /* semop() */ 103 SCARG(&semop_args, semid) = SCARG(uap, a2); 104 SCARG(&semop_args, sops) = (struct sembuf *)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 freebsd_sys_shmsys(l, v, retval) 121 struct lwp *l; 122 void *v; 123 register_t *retval; 124 { 125 struct freebsd_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 shmid_ds14 *) 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) = (void *)SCARG(uap, a3); 154 SCARG(&shmat_args, shmflg) = SCARG(uap, a4); 155 return (sys_shmat(l, &shmat_args, retval)); 156 157 case 1: /* oshmctl() */ 158 /* XXX Need to translate shmid_ds format. */ 159 return (EINVAL); 160 161 case 2: /* shmdt() */ 162 SCARG(&shmdt_args, shmaddr) = (void *)SCARG(uap, a2); 163 return (sys_shmdt(l, &shmdt_args, retval)); 164 165 case 3: /* shmget() */ 166 SCARG(&shmget_args, key) = SCARG(uap, a2); 167 SCARG(&shmget_args, size) = SCARG(uap, a3); 168 SCARG(&shmget_args, shmflg) = SCARG(uap, a4); 169 return (sys_shmget(l, &shmget_args, retval)); 170 171 case 4: /* shmctl() */ 172 SCARG(&shmctl_args, shmid) = SCARG(uap, a2); 173 SCARG(&shmctl_args, cmd) = SCARG(uap, a3); 174 SCARG(&shmctl_args, buf) = (struct shmid_ds14 *)SCARG(uap, a4); 175 return (compat_14_sys_shmctl(l, &shmctl_args, retval)); 176 177 default: 178 return (EINVAL); 179 } 180 } 181 #endif 182 183 #ifdef SYSVMSG 184 int 185 freebsd_sys_msgsys(l, v, retval) 186 struct lwp *l; 187 void *v; 188 register_t *retval; 189 { 190 struct freebsd_sys_msgsys_args /* { 191 syscallarg(int) which; 192 syscallarg(int) a2; 193 syscallarg(int) a3; 194 syscallarg(int) a4; 195 syscallarg(int) a5; 196 syscallarg(int) a6; 197 } */ *uap = v; 198 struct compat_14_sys_msgctl_args /* { 199 syscallarg(int) msqid; 200 syscallarg(int) cmd; 201 syscallarg(struct msqid_ds14 *) buf; 202 } */ msgctl_args; 203 struct sys_msgget_args /* { 204 syscallarg(key_t) key; 205 syscallarg(int) msgflg; 206 } */ msgget_args; 207 struct sys_msgsnd_args /* { 208 syscallarg(int) msqid; 209 syscallarg(void *) msgp; 210 syscallarg(size_t) msgsz; 211 syscallarg(int) msgflg; 212 } */ msgsnd_args; 213 struct sys_msgrcv_args /* { 214 syscallarg(int) msqid; 215 syscallarg(void *) msgp; 216 syscallarg(size_t) msgsz; 217 syscallarg(long) msgtyp; 218 syscallarg(int) msgflg; 219 } */ msgrcv_args; 220 221 switch (SCARG(uap, which)) { 222 case 0: /* msgctl()*/ 223 SCARG(&msgctl_args, msqid) = SCARG(uap, a2); 224 SCARG(&msgctl_args, cmd) = SCARG(uap, a3); 225 SCARG(&msgctl_args, buf) = 226 (struct msqid_ds14 *)SCARG(uap, a4); 227 return (compat_14_sys_msgctl(l, &msgctl_args, retval)); 228 229 case 1: /* msgget() */ 230 SCARG(&msgget_args, key) = SCARG(uap, a2); 231 SCARG(&msgget_args, msgflg) = SCARG(uap, a3); 232 return (sys_msgget(l, &msgget_args, retval)); 233 234 case 2: /* msgsnd() */ 235 SCARG(&msgsnd_args, msqid) = SCARG(uap, a2); 236 SCARG(&msgsnd_args, msgp) = (void *)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) = (void *)SCARG(uap, a3); 244 SCARG(&msgrcv_args, msgsz) = SCARG(uap, a4); 245 SCARG(&msgrcv_args, msgtyp) = SCARG(uap, a5); 246 SCARG(&msgrcv_args, msgflg) = SCARG(uap, a6); 247 return (sys_msgrcv(l, &msgrcv_args, retval)); 248 249 default: 250 return (EINVAL); 251 } 252 } 253 #endif 254
Indexes created Tue Sep 23 21:09:50 GMT 2025