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mirror of https://git.FreeBSD.org/src.git synced 2024-12-25 11:37:56 +00:00
freebsd/usr.bin/ipcs/ipc.h
2011-12-30 11:02:40 +00:00

72 lines
2.5 KiB
C

/*
* Copyright (c) 1994 SigmaSoft, Th. Lockert <tholo@sigmasoft.com>
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
* 3. The name of the author may not be used to endorse or promote products
* derived from this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES,
* INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY
* AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL
* THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
* EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
* PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS;
* OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
* WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR
* OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
* ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*
* The split of ipcs.c into ipcs.c and ipc.c to accommodate the
* changes in ipcrm.c was done by Edwin Groothuis <edwin@FreeBSD.org>
*
* $FreeBSD$
*/
/* Part of struct nlist symbols[] */
#define X_SEMA 0
#define X_SEMINFO 1
#define X_MSGINFO 2
#define X_MSQIDS 3
#define X_SHMINFO 4
#define X_SHMSEGS 5
#define SHMINFO 1
#define SHMTOTAL 2
#define MSGINFO 4
#define MSGTOTAL 8
#define SEMINFO 16
#define SEMTOTAL 32
#define IPC_TO_STR(x) (x == 'Q' ? "msq" : (x == 'M' ? "shm" : "sem"))
#define IPC_TO_STRING(x) (x == 'Q' ? "message queue" : \
(x == 'M' ? "shared memory segment" : "semaphore"))
/* SysCtlGatherStruct structure. */
struct scgs_vector {
const char *sysctl;
off_t offset;
size_t size;
};
void kget(int idx, void *addr, size_t size);
void sysctlgatherstruct(void *addr, size_t size, struct scgs_vector *vec);
extern int use_sysctl;
extern struct nlist symbols[];
extern kvm_t *kd;
extern struct semid_kernel *sema;
extern struct seminfo seminfo;
extern struct msginfo msginfo;
extern struct msqid_kernel *msqids;
extern struct shminfo shminfo;
extern struct shmid_kernel *shmsegs;