1 /*- 2 * SPDX-License-Identifier: BSD-3-Clause 3 * 4 * Copyright (c) 1994 SigmaSoft, Th. Lockert <tholo@sigmasoft.com> 5 * All rights reserved. 6 * 7 * Redistribution and use in source and binary forms, with or without 8 * modification, are permitted provided that the following conditions 9 * are met: 10 * 1. Redistributions of source code must retain the above copyright 11 * notice, this list of conditions and the following disclaimer. 12 * 2. Redistributions in binary form must reproduce the above copyright 13 * notice, this list of conditions and the following disclaimer in the 14 * documentation and/or other materials provided with the distribution. 15 * 3. The name of the author may not be used to endorse or promote products 16 * derived from this software without specific prior written permission. 17 * 18 * THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, 19 * INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY 20 * AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL 21 * THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, 22 * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, 23 * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; 24 * OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, 25 * WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR 26 * OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF 27 * ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 28 * 29 * The split of ipcs.c into ipcs.c and ipc.c to accommodate the 30 * changes in ipcrm.c was done by Edwin Groothuis <edwin@FreeBSD.org> 31 * 32 * $FreeBSD$ 33 */ 34 35 /* Part of struct nlist symbols[] */ 36 #define X_SEMA 0 37 #define X_SEMINFO 1 38 #define X_MSGINFO 2 39 #define X_MSQIDS 3 40 #define X_SHMINFO 4 41 #define X_SHMSEGS 5 42 43 #define SHMINFO 1 44 #define SHMTOTAL 2 45 #define MSGINFO 4 46 #define MSGTOTAL 8 47 #define SEMINFO 16 48 #define SEMTOTAL 32 49 50 #define IPC_TO_STR(x) (x == 'Q' ? "msq" : (x == 'M' ? "shm" : "sem")) 51 #define IPC_TO_STRING(x) (x == 'Q' ? "message queue" : \ 52 (x == 'M' ? "shared memory segment" : "semaphore")) 53 54 /* SysCtlGatherStruct structure. */ 55 struct scgs_vector { 56 const char *sysctl; 57 size_t offset; 58 size_t size; 59 }; 60 61 void kget(int idx, void *addr, size_t size); 62 void sysctlgatherstruct(void *addr, size_t size, struct scgs_vector *vec); 63 64 extern int use_sysctl; 65 extern struct nlist symbols[]; 66 extern kvm_t *kd; 67 68 extern struct semid_kernel *sema; 69 extern struct msqid_kernel *msqids; 70 extern struct shmid_kernel *shmsegs; 71 extern struct seminfo seminfo; 72 extern struct msginfo msginfo; 73 extern struct shminfo shminfo; 74