Attempt to represent the S^2->S^3 header reorganisation as a series of "hg rename" operations
2 *© Portions copyright (c) 2006 Nokia Corporation. All rights reserved.
3 * Copyright (c) 1988 University of Utah.
4 * Copyright (c) 1990, 1993
5 * The Regents of the University of California. All rights reserved.
6 * (c) UNIX System Laboratories, Inc.
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8 * to the University of California by American Telephone and Telegraph
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10 * the permission of UNIX System Laboratories, Inc.
12 * This code is derived from software contributed to Berkeley by
13 * the Systems Programming Group of the University of Utah Computer
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40 * @(#)ipc.h 8.4 (Berkeley) 2/19/95
41 * $FreeBSD: src/sys/sys/ipc.h,v 1.25 2005/01/07 02:29:23 imp Exp $
45 * SVID compatible ipc.h file
50 #include <sys/cdefs.h>
51 #include <sys/types.h>
53 #ifndef _GID_T_DECLARED
54 typedef __gid_t gid_t;
55 #define _GID_T_DECLARED
58 #ifndef _KEY_T_DECLARED
59 typedef __key_t key_t;
60 #define _KEY_T_DECLARED
63 #ifndef _MODE_T_DECLARED
64 typedef __mode_t mode_t;
65 #define _MODE_T_DECLARED
68 #ifndef _UID_T_DECLARED
69 typedef __uid_t uid_t;
70 #define _UID_T_DECLARED
74 * XXX almost all members have wrong types.
77 unsigned short cuid; /* creator user id */
78 unsigned short cgid; /* creator group id */
79 unsigned short uid; /* user id */
80 unsigned short gid; /* group id */
81 unsigned short mode; /* r/w permission */
82 unsigned short seq; /* sequence # (to generate unique ipcid) */
83 key_t key; /* user specified msg/sem/shm key */
87 /* common mode bits */
88 #define IPC_R 000400 /* read permission */
89 #define IPC_W 000200 /* write/alter permission */
90 #define IPC_M 010000 /* permission to change control info */
93 /* SVID required constants (same values as system 5) */
94 #define IPC_CREAT 001000 /* create entry if key does not exist */
95 #define IPC_EXCL 002000 /* fail if key exists */
96 #define IPC_NOWAIT 004000 /* error if request must wait */
98 #define IPC_PRIVATE (key_t)0 /* private key */
100 #define IPC_RMID 0 /* remove identifier */
101 #define IPC_SET 1 /* set options */
102 #define IPC_STAT 2 /* get options */
104 #define IPC_INFO 3 /* get info */
108 /* Macros to convert between ipc ids and array indices or sequence ids */
109 #define IPCID_TO_IX(id) ((id) & 0xffff)
110 #define IPCID_TO_SEQ(id) (((id) >> 16) & 0xffff)
111 #define IXSEQ_TO_IPCID(ix,perm) (((perm.seq) << 16) | (ix & 0xffff))
117 extern void (*shmfork_hook)(struct proc *, struct proc *);
118 extern void (*shmexit_hook)(struct vmspace *);
120 #else /* ! _KERNEL */
124 * Convert a pathname and project identifier to an IPC key.
126 IMPORT_C key_t ftok(const char *pathname, int proj_id);
132 #endif /* !_SYS_IPC_H_ */