/* (-lgl * Coherent 386 release 4.2 * Copyright (c) 1982, 1993 by Mark Williams Company. * All rights reserved. May not be copied without permission. * For copying permission and licensing info, write licensing@mwc.com -lgl) */ #ifndef __SYS_IPC_H__ #define __SYS_IPC_H__ #include <common/feature.h> #include <common/_ipcperm.h> /* * IPC Mode bits. */ #define __IPC_ALLOC 0x8000 /* entry currently allocated */ #define IPC_CREAT 0x0200 /* create entry if key doesn't exist */ #define IPC_EXCL 0x0400 /* fail if key exists */ #define IPC_NOWAIT 0x0800 /* error if request must wait */ /* * IPC Keys. */ #define IPC_PRIVATE ((key_t) 0) /* * IPC Control Commands. */ #define IPC_RMID 0 /* remove identifier */ #define IPC_SET 1 /* set options */ #define IPC_STAT 2 /* get options */ #if _KERNEL #include <common/ccompat.h> /* * Common framework for IPC permissions-checking. */ __EXTERN_C_BEGIN__ int ipc_cred_match __PROTO ((struct ipc_perm * _ipcp)); int ipc_lack_perm __PROTO ((struct ipc_perm * _ipcp, __mode_t _mode)); void ipc_perm_init __PROTO ((struct ipc_perm * _ipcp, __mode_t _mpde)); __EXTERN_C_END__ #endif /* _KERNEL */ #endif /* ! defined (__SYS_IPC_H__) */