182657471SMarkus Pfeiffer /** 282657471SMarkus Pfeiffer * Copyright (c) 2013 Larisa Grigore<larisagrigore@gmail.com>. 382657471SMarkus Pfeiffer * All rights reserved. 482657471SMarkus Pfeiffer * 582657471SMarkus Pfeiffer * Redistribution and use in source and binary forms, with or without 682657471SMarkus Pfeiffer * modification, are permitted provided that the following conditions 782657471SMarkus Pfeiffer * are met: 882657471SMarkus Pfeiffer * 1. Redistributions of source code must retain the above copyright 982657471SMarkus Pfeiffer * notice, this list of conditions and the following disclaimer. 1082657471SMarkus Pfeiffer * 2. Redistributions in binary form must reproduce the above copyright 1182657471SMarkus Pfeiffer * notice, this list of conditions and the following disclaimer in the 1282657471SMarkus Pfeiffer * documentation and/or other materials provided with the distribution. 1382657471SMarkus Pfeiffer * 3. The name of the author may not be used to endorse or promote products 1482657471SMarkus Pfeiffer * derived from this software without specific prior written permission. 1582657471SMarkus Pfeiffer * 1682657471SMarkus Pfeiffer * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR 1782657471SMarkus Pfeiffer * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES 1882657471SMarkus Pfeiffer * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. 1982657471SMarkus Pfeiffer * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, 2082657471SMarkus Pfeiffer * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT 2182657471SMarkus Pfeiffer * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 2282657471SMarkus Pfeiffer * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 2382657471SMarkus Pfeiffer * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 2482657471SMarkus Pfeiffer * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF 2582657471SMarkus Pfeiffer * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 2682657471SMarkus Pfeiffer */ 2782657471SMarkus Pfeiffer 28*ff86f401SSascha Wildner #ifndef _SYSVIPC_IPC_H_ 29*ff86f401SSascha Wildner #define _SYSVIPC_IPC_H_ 3082657471SMarkus Pfeiffer 3182657471SMarkus Pfeiffer #define MAXSIZE 100 3282657471SMarkus Pfeiffer 3382657471SMarkus Pfeiffer #define IPC_INITIALIZED 1 3482657471SMarkus Pfeiffer 3582657471SMarkus Pfeiffer #define SHMGET 1 3682657471SMarkus Pfeiffer #define SEMGET 2 3782657471SMarkus Pfeiffer #define MSGGET 3 3882657471SMarkus Pfeiffer #define UNDOGET 4 3982657471SMarkus Pfeiffer 4082657471SMarkus Pfeiffer #define SHMAT 5 4182657471SMarkus Pfeiffer #define SHMDT 6 4282657471SMarkus Pfeiffer #define SHMCTL 7 4382657471SMarkus Pfeiffer 4482657471SMarkus Pfeiffer #define SEMOP 8 4582657471SMarkus Pfeiffer #define SEMCTL 9 4682657471SMarkus Pfeiffer 4782657471SMarkus Pfeiffer #define PIPE_READ 0 4882657471SMarkus Pfeiffer #define PIPE_WRITE 1 4982657471SMarkus Pfeiffer 5082657471SMarkus Pfeiffer #define IPCID_TO_IX(id) ((id) & 0xffff) 5182657471SMarkus Pfeiffer #define IPCID_TO_SEQ(id) (((id) >> 16) & 0xffff) 5282657471SMarkus Pfeiffer #define IXSEQ_TO_IPCID(ix,perm) (((perm.seq) << 16) | (ix & 0xffff)) 5382657471SMarkus Pfeiffer 5482657471SMarkus Pfeiffer #include <sys/shm.h> 5582657471SMarkus Pfeiffer #include "sysvipc_utils.h" 5682657471SMarkus Pfeiffer 5782657471SMarkus Pfeiffer /* Structures used to send/receive 5882657471SMarkus Pfeiffer * messages to/from daemon. 5982657471SMarkus Pfeiffer */ 6082657471SMarkus Pfeiffer struct shmget_msg { 6182657471SMarkus Pfeiffer key_t key; 6282657471SMarkus Pfeiffer size_t size; 6382657471SMarkus Pfeiffer int shmflg; 6482657471SMarkus Pfeiffer int type; 6582657471SMarkus Pfeiffer }; 6682657471SMarkus Pfeiffer 6782657471SMarkus Pfeiffer struct shmat_msg { 6882657471SMarkus Pfeiffer int shmid; 6982657471SMarkus Pfeiffer const void *shmaddr; 7082657471SMarkus Pfeiffer int shmflg; 7182657471SMarkus Pfeiffer size_t size; 7282657471SMarkus Pfeiffer }; 7382657471SMarkus Pfeiffer 7482657471SMarkus Pfeiffer struct shmdt_msg { 7582657471SMarkus Pfeiffer const void *shmaddr; 7682657471SMarkus Pfeiffer }; 7782657471SMarkus Pfeiffer 7882657471SMarkus Pfeiffer struct shmctl_msg { 7982657471SMarkus Pfeiffer int shmid; 8082657471SMarkus Pfeiffer int cmd; 8182657471SMarkus Pfeiffer struct shmid_ds buf; 8282657471SMarkus Pfeiffer }; 8382657471SMarkus Pfeiffer 8482657471SMarkus Pfeiffer struct sysvipc_msg { 8582657471SMarkus Pfeiffer int type; 8682657471SMarkus Pfeiffer char data[0]; 8782657471SMarkus Pfeiffer }; 8882657471SMarkus Pfeiffer 8982657471SMarkus Pfeiffer struct semget_msg { 9082657471SMarkus Pfeiffer key_t key; 9182657471SMarkus Pfeiffer int nsems; 9282657471SMarkus Pfeiffer int shmflg; 9382657471SMarkus Pfeiffer }; 9482657471SMarkus Pfeiffer 9582657471SMarkus Pfeiffer /* Send/receive messages. */ 9682657471SMarkus Pfeiffer int send_message(int, int, char *, int); 9782657471SMarkus Pfeiffer int receive_type_message(int); 9882657471SMarkus Pfeiffer int receive_message(int, char *, int); 9982657471SMarkus Pfeiffer 10082657471SMarkus Pfeiffer /* sysv ipc structures initialization. */ 10182657471SMarkus Pfeiffer int is_sysvinit(void); 10282657471SMarkus Pfeiffer int sysvinit(void); 10382657471SMarkus Pfeiffer int sysvexit(void); 10482657471SMarkus Pfeiffer 105*ff86f401SSascha Wildner #endif /* !_SYSVIPC_IPC_H_ */ 106