haiku/headers/posix/sys/ipc.h

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/*
* Copyright 2008-2010 Haiku Inc. All Rights Reserved.
* Distributed under the terms of the MIT License.
*/
#ifndef _SYS_IPC_H
#define _SYS_IPC_H
#include <sys/cdefs.h>
#include <sys/types.h>
/* Mode bits for msgget(), semget(), and shmget() */
#define IPC_CREAT 01000 /* create key */
#define IPC_EXCL 02000 /* fail if key exists */
#define IPC_NOWAIT 04000 /* do not block */
/* Control commands for msgctl(), semctl(), and shmctl() */
#define IPC_RMID 0 /* remove identifier */
#define IPC_SET 1 /* set options */
#define IPC_STAT 2 /* get options */
/* Private key */
#define IPC_PRIVATE (key_t)0
struct ipc_perm {
key_t key; /* IPC identifier */
uid_t uid; /* owner's user ID */
gid_t gid; /* owner's group ID */
uid_t cuid; /* creator's user ID */
gid_t cgid; /* creator's group ID */
mode_t mode; /* Read/write permission */
};
__BEGIN_DECLS
key_t ftok(const char *path, int id);
__END_DECLS
#endif /* _SYS_IPC_H */