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Annotation of researchv9/jerq/sgs/ld/sdp1.h, revision 1.1

1.1     ! root        1: /*
        !             2:  *  static char ID[] = "@(#) sdp1.h: 1.1 1/6/82";
        !             3:  */
        !             4: 
        !             5: /*
        !             6:  * SDP user-dependent constants
        !             7:  *
        !             8:  *     BYTEBITS        2**BYTEBITS == sze of a page, in bytres
        !             9:  *     DFILELENG       maximum size of a SDP paging file, in pages
        !            10:  *     DFILES          initial number of files in an addres space
        !            11:  *     DPARTITIONS     number of page frames in each partition
        !            12:  *     DPARTSIZE       number of page frame partitions
        !            13:  *     DPARTRESET      usage count at which partition sizes are
        !            14:  *                             recomputed
        !            15:  *     HITPARTITION    page frame partition for hash table collisions
        !            16:  *     ITEMID          the type of C data structure for an itemid
        !            17:  *     ITEMIDSIZE      inumber of bytes in an itemid
        !            18:  *     ITEMSIZE        number of bits in an itemid
        !            19:  *     MAXATTACH       maximum number of concurrently opened address
        !            20:  *                             spaces
        !            21:  *     MAXFILES        maximum number of files comprising an address
        !            22:  *                             space
        !            23:  *     MISPARTITION    page frame partition for initial hash table
        !            24:  *                             symbols and aux entries
        !            25:  *     MODE            mode for open() calls
        !            26:  *     NAMELENG        maximum size of an address space file name
        !            27:  *     NUMBERFRAMES    number of SDP paging frames
        !            28:  *     PAGEBITS        2**PAGEBITS == size of an address space, in
        !            29:  *                             pages
        !            30:  *     SVSPACE         SDP address space id for slot vectors
        !            31:  *     SVPARTITION     page frame partition for slot vectors
        !            32:  *     SYMSPACE        SDP address space id for global symbol table
        !            33:  *     AUXSPACE        SDP address space id for aux entries
        !            34:  *     TEMPLATE        template for all address space file names
        !            35:  */
        !            36: 
        !            37: #define BYTEBITS       9
        !            38: #define DFILELENG      {40000}
        !            39: #define DFILES         1
        !            40: #if AR16WR
        !            41: #define DPARTITIONS    {20}
        !            42: #else
        !            43: #define DPARTITIONS    {40}
        !            44: #endif
        !            45: #define DPARTSIZE      1
        !            46: #define DPARTRESET     -1
        !            47: #define HITPARTITION   0
        !            48: #define ITEMID         long
        !            49: #define ITEMSIZE       32
        !            50: #define ITEMIDSIZE     4
        !            51: #define MAXATTACH      3       /* > largest address space id */
        !            52: #define MAXFILES       1
        !            53: #define MISPARTITION   0
        !            54: #define MODE           0600
        !            55: #define NAMELENG       30
        !            56: #if !AR16WR
        !            57: #define NUMBERFRAMES   40
        !            58: #else
        !            59: #define NUMBERFRAMES   20      /* DPARTSIZE * DPARTITIONS == NUMBERFRAMES */
        !            60: #endif
        !            61: #define PAGEBITS       15
        !            62: #define SVSPACE                1
        !            63: #define SVPARTITION    0
        !            64: #define SYMSPACE       0
        !            65: #define AUXSPACE       2
        !            66: #define TEMPLATE       "sdp__"

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