44 lines
965 B
C
44 lines
965 B
C
/*
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* Copyright 2008-2012 Haiku, Inc. All Rights Reserved.
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* Distributed under the terms of the MIT License.
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*/
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#ifndef _SYS_IPC_H
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#define _SYS_IPC_H
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#include <sys/cdefs.h>
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#include <sys/types.h>
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/* Mode bits for msgget(), semget(), and shmget() */
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#define IPC_CREAT 01000 /* create key */
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#define IPC_EXCL 02000 /* fail if key exists */
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#define IPC_NOWAIT 04000 /* do not block */
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/* Control commands for msgctl(), semctl(), and shmctl() */
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#define IPC_RMID 0 /* remove identifier */
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#define IPC_SET 1 /* set options */
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#define IPC_STAT 2 /* get options */
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/* Private key */
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#define IPC_PRIVATE (key_t)0
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struct ipc_perm {
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key_t key; /* IPC identifier */
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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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__BEGIN_DECLS
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key_t ftok(const char *path, int id);
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__END_DECLS
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#endif /* _SYS_IPC_H */
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