54 lines
1.0 KiB
C
54 lines
1.0 KiB
C
/* sys/ipc.h
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Copyright 2001 Red Hat Inc.
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Written by Robert Collins <rbtcollins@hotmail.com>
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This file is part of Cygwin.
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This software is a copyrighted work licensed under the terms of the
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Cygwin license. Please consult the file "CYGWIN_LICENSE" for
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details. */
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#ifdef __cplusplus
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extern "C"
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{
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#endif
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#ifndef _SYS_IPC_H
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#define _SYS_IPC_H
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/* sys/types must be included before sys/ipc.h. We aren't meant to automatically
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* include it however
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*/
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struct ipc_perm {
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uid_t uid;
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gid_t gid;
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uid_t cuid;
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gid_t cgid;
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mode_t mode;
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};
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/* the mode flags used with the _get functions use the low order 9 bits for a mode
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* request
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*/
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#define IPC_CREAT 0x0200
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#define IPC_EXCL 0x0400
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#define IPC_NOWAIT 0x0800
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/* this is a value that will _never_ be a valid key from ftok */
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#define IPC_PRIVATE -2
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/* ctl commands 1000-1fff is ipc reserved */
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#define IPC_RMID 0x1003
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#define IPC_SET 0x1002
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#define IPC_STAT 0x1001
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key_t ftok(const char *, int);
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#endif /* _SYS_IPC_H */
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#ifdef __cplusplus
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}
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#endif
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