--- Net2/sys/ipc.h 2018/04/24 18:03:58 1.1.1.1 +++ Net2/sys/ipc.h 2018/04/24 18:10:46 1.1.1.2 @@ -1,74 +1 @@ -/* - * Copyright (c) 1988 University of Utah. - * Copyright (c) 1990 The Regents of the University of California. - * All rights reserved. - * - * This code is derived from software contributed to Berkeley by - * the Systems Programming Group of the University of Utah Computer - * Science Department. - * - * 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. All advertising materials mentioning features or use of this software - * must display the following acknowledgement: - * This product includes software developed by the University of - * California, Berkeley and its contributors. - * 4. 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 REGENTS 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. - * - * @(#)ipc.h 7.2 (Berkeley) 2/5/91 - */ - -/* - * SVID compatible ipc.h file - */ -#ifndef _IPC_H_ -#define _IPC_H_ - -typedef long key_t; /* XXX should be in types.h */ - -struct ipc_perm { - ushort cuid; /* creator user id */ - ushort cgid; /* creator group id */ - ushort uid; /* user id */ - ushort gid; /* group id */ - ushort mode; /* r/w permission */ - ushort seq; /* sequence # (to generate unique msg/sem/shm id) */ - key_t key; /* user specified msg/sem/shm key */ -}; - -/* common mode bits */ -#define IPC_R 00400 /* read permission */ -#define IPC_W 00200 /* write/alter permission */ - -/* SVID required constants (same values as system 5) */ -#define IPC_CREAT 01000 /* create entry if key does not exist */ -#define IPC_EXCL 02000 /* fail if key exists */ -#define IPC_NOWAIT 04000 /* error if request must wait */ - -#define IPC_PRIVATE (key_t)0 /* private key */ - -#define IPC_RMID 0 /* remove identifier */ -#define IPC_SET 1 /* set options */ -#define IPC_STAT 2 /* get options */ - -#endif /* !_IPC_H_ */ +revision 1.1.1.1 intentionally removed