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Annotation of coherent/a/usr/include.b4ps2/sys/ipc.h, revision 1.1

1.1     ! root        1: /* (-lgl
        !             2:  *     COHERENT Version 3.0
        !             3:  *     Copyright (c) 1982, 1990 by Mark Williams Company.
        !             4:  *     All rights reserved. May not be copied without permission.
        !             5:  -lgl) */
        !             6: #ifndef IPC_H
        !             7: #define        IPC_H
        !             8: /*
        !             9:  * Inter Process Communication: Common Declarations.
        !            10:  */
        !            11: typedef long key_t;
        !            12: 
        !            13: /*
        !            14: ** Common IPC Access Structure
        !            15: */
        !            16: 
        !            17: struct ipc_perm {
        !            18: 
        !            19:        unsigned short  uid;            /* owner's user id */
        !            20:        unsigned short  gid;            /* owner's group id */
        !            21:        unsigned short  cuid;           /* creator's user id */
        !            22:        unsigned short  cgid;           /* creator's group id */
        !            23:        unsigned short  mode;           /* access modes */
        !            24:        unsigned short  seq;            /* slot usage sequence number */
        !            25:        key_t           key;            /* key */
        !            26: };
        !            27: 
        !            28: /*
        !            29: ** IPC Mode bits.
        !            30: */
        !            31: 
        !            32: #define        IPC_ALLOC       0100000         /* entry currently allocated */
        !            33: #define        IPC_CREAT       0001000         /* create entry if key doesn't exist */
        !            34: #define        IPC_EXCL        0002000         /* fail if key exists */
        !            35: #define        IPC_NOWAIT      0004000         /* error if request must wait */
        !            36: 
        !            37: /*
        !            38: ** IPC Keys.
        !            39: */
        !            40: 
        !            41: #define IPC_PRIVATE    ((key_t)0)
        !            42: 
        !            43: /*
        !            44: ** IPC Control Commands.
        !            45: */
        !            46: 
        !            47: #define        IPC_RMID        0               /* remove identifier */
        !            48: #define        IPC_SET         1               /* set options */
        !            49: #define        IPC_STAT        2               /* get options */
        !            50: 
        !            51: #endif

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