/* * Copyright (c) 2015, Stefan Lankes, RWTH Aachen University * All rights reserved. * * Redistribution and use in source and binary forms, with or without * modification, are permitted provided that the following conditions are met: * * Redistributions of source code must retain the above copyright * notice, this list of conditions and the following disclaimer. * * 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. * * Neither the name of the University nor the names of its contributors * may be used to endorse or promote products derived from this * software without specific prior written permission. * * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "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 REGENTS OR CONTRIBUTORS 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. */ #ifndef __SYS_IPC_H__ #define __SYS_IPC_H__ #include #ifdef __cplusplus extern "C" { #endif #ifdef __KERNEL__ typedef long key_t; #endif #define IPC_PRIVATE ((key_t) 0) /* Obsolete, used only for backwards compatibility and libc5 compiles */ struct ipc_perm { key_t key; #if 0 __kernel_uid_t uid; __kernel_gid_t gid; __kernel_uid_t cuid; __kernel_gid_t cgid; __kernel_mode_t mode; unsigned short seq; #endif }; /* resource get request flags */ #define IPC_CREAT 00001000 /* create if key is nonexistent */ #define IPC_EXCL 00002000 /* fail if key exists */ #define IPC_NOWAIT 00004000 /* return error on wait */ /* * Control commands used with semctl, msgctl and shmctl * see also specific commands in shm.h */ #define IPC_RMID 0 /* remove resource */ #define IPC_SET 1 /* set ipc_perm options */ #define IPC_STAT 2 /* get ipc_perm options */ #define IPC_INFO 3 /* see ipcs */ #ifdef __cplusplus } #endif #endif