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64 lines
1.6 KiB
C
64 lines
1.6 KiB
C
/* $Id: ipc.h,v 1.5 2002/10/29 04:45:19 rex Exp $
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*/
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/*
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* sys/ipc.h
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*
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* interprocess communication access structure. Conforming to the Single
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* UNIX(r) Specification Version 2, System Interface & Headers Issue 5
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*
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* This file is part of the ReactOS Operating System.
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*
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* Contributors:
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* Created by KJK::Hyperion <noog@libero.it>
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*
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* THIS SOFTWARE IS NOT COPYRIGHTED
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*
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* This source code is offered for use in the public domain. You may
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* use, modify or distribute it freely.
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*
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* This code is distributed in the hope that it will be useful but
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* WITHOUT ANY WARRANTY. ALL WARRANTIES, EXPRESS OR IMPLIED ARE HEREBY
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* DISCLAMED. This includes but is not limited to warranties of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
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*
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*/
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#ifndef __SYS_IPC_H_INCLUDED__
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#define __SYS_IPC_H_INCLUDED__
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/* INCLUDES */
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/* OBJECTS */
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/* TYPES */
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struct ipc_perm
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{
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uid_t uid; /* owner's user ID */
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gid_t gid; /* owner's group ID */
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uid_t cuid; /* creator's user ID */
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gid_t cgid; /* creator's group ID */
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mode_t mode; /* read/write permission */
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};
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/* CONSTANTS */
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/* Mode bits */
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#define IPC_CREAT (0x00000200) /* Create entry if key does not exist */
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#define IPC_EXCL (0x00000400) /* Fail if key exists */
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#define IPC_NOWAIT (0x00000800) /* Error if request must wait */
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/* Keys */
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#define IPC_PRIVATE (0xFFFFFFFF) /* Private key */
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/* Control commands */
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#define IPC_RMID (1) /* Remove identifier */
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#define IPC_SET (2) /* Set options */
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#define IPC_STAT (3) /* Get options */
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/* PROTOTYPES */
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key_t ftok(const char *, int);
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/* MACROS */
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#endif /* __SYS_IPC_H_INCLUDED__ */
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/* EOF */
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