From e2abcdca396661cbe0ae2ddb13d5c2b85682c13a Mon Sep 17 00:00:00 2001
From: Cem Keylan <cem@ckyln.com>
Date: Fri, 16 Oct 2020 17:41:25 +0300
Subject: initial commit

---
 sys/sys/ipc.h | 95 +++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 95 insertions(+)
 create mode 100644 sys/sys/ipc.h

(limited to 'sys/sys/ipc.h')

diff --git a/sys/sys/ipc.h b/sys/sys/ipc.h
new file mode 100644
index 0000000..d710de2
--- /dev/null
+++ b/sys/sys/ipc.h
@@ -0,0 +1,95 @@
+/*	$OpenBSD: ipc.h,v 1.13 2014/11/15 21:42:50 guenther Exp $	*/
+/*	$NetBSD: ipc.h,v 1.15 1996/02/09 18:25:12 christos Exp $	*/
+
+/*
+ * Copyright (c) 1988 University of Utah.
+ * Copyright (c) 1990, 1993
+ *	The Regents of the University of California.  All rights reserved.
+ * (c) UNIX System Laboratories, Inc.
+ * All or some portions of this file are derived from material licensed
+ * to the University of California by American Telephone and Telegraph
+ * Co. or Unix System Laboratories, Inc. and are reproduced herein with
+ * the permission of UNIX System Laboratories, Inc.
+ *
+ * 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. 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	8.3 (Berkeley) 1/21/94
+ */
+
+/*
+ * SVID compatible ipc.h file
+ */
+#ifndef _SYS_IPC_H_
+#define _SYS_IPC_H_
+
+#include <sys/types.h>
+
+struct ipc_perm {
+	uid_t		cuid;	/* creator user id */
+	gid_t		cgid;	/* creator group id */
+	uid_t		uid;	/* user id */
+	gid_t		gid;	/* group id */
+	mode_t		mode;	/* r/w permission */
+	unsigned short	seq;	/* sequence # (to generate unique msg/sem/shm id) */
+	key_t		key;	/* user specified msg/sem/shm key */
+};
+
+/* common mode bits */
+#define	IPC_R		000400	/* read permission */
+#define	IPC_W		000200	/* write/alter permission */
+#define	IPC_M		010000	/* permission to change control info */
+
+/* SVID required constants (same values as system 5) */
+#define	IPC_CREAT	001000	/* create entry if key does not exist */
+#define	IPC_EXCL	002000	/* fail if key exists */
+#define	IPC_NOWAIT	004000	/* 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 */
+
+#ifdef _KERNEL
+/* Macros to convert between ipc ids and array indices or sequence ids */
+#define	IPCID_TO_IX(id)		((id) & 0xffff)
+#define	IPCID_TO_SEQ(id)	(((id) >> 16) & 0xffff)
+#define	IXSEQ_TO_IPCID(ix,perm)	(((perm.seq) << 16) | (ix & 0xffff))
+
+struct ucred;
+
+int ipcperm(struct ucred *, struct ipc_perm *, int);
+
+#else /* !_KERNEL */
+
+__BEGIN_DECLS
+key_t	ftok(const char *, int);
+__END_DECLS
+#endif
+#endif /* !_SYS_IPC_H_ */
-- 
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