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Annotation of 43BSD/ingres/source/h/opsys.h, revision 1.1

1.1     ! root        1: #
        !             2: 
        !             3: /*
        !             4: **  OPSYS.H -- operating system dependent definitions.
        !             5: **
        !             6: **     This header file contains everything that we at Berkeley
        !             7: **     think might vary from system to system.  Before
        !             8: **     compiling INGRES you should eyeball this file to see
        !             9: **     if your system is consistant with us.
        !            10: **
        !            11: **     Version:
        !            12: **             @(#)opsys.h     8.1     12/31/84
        !            13: */
        !            14: 
        !            15: # ifndef USERINGRES
        !            16: 
        !            17: /*
        !            18: **  UNIX version flags.
        !            19: **     The following flags define what version of UNIX is being run.
        !            20: **     They should be set as follows:
        !            21: **
        !            22: **     Bell-style version six UNIX, with 8-bit user id's and 8-bit
        !            23: **     group id's, fetched with calls to getuid() and getgid()
        !            24: **     respectively, and stored in the passwd file as two separate
        !            25: **     eight-bit fields:
        !            26: **             Set the xV6_UNIX flag only.
        !            27: **
        !            28: **     Berkeley-style version 6/7x-05a UNIX, with a single 16-bit
        !            29: **     user id and no group id (and no getgid() or setgid() calls),
        !            30: **     and stored in the passwd file as two separate eight-bit fields,
        !            31: **     combined to make a single 16-bit field:
        !            32: **             Set the xB_UNIX flag only.
        !            33: **
        !            34: **     Bell-style version seven UNIX, with 16-bit user id's and
        !            35: **     16-bit group id's, fetched with calls to getuid() and
        !            36: **     getgid() respectively, and stored in the passwd file as
        !            37: **     two separate 16-bit fields:
        !            38: **             Set the xV7_UNIX flag only.
        !            39: */
        !            40: 
        !            41: /* set for version six */
        !            42: /* # define    xV6_UNIX        /* Bell v6 UNIX flag */
        !            43: # define       xV7_UNIX        /* Bell v7 UNIX flag */
        !            44: /* # define    xB_UNIX         /* Berkeley UNIX flag */
        !            45: 
        !            46: 
        !            47: /*
        !            48: **  Maximum number of open files per process.
        !            49: **  Must match 'NOFILE' entry in /usr/sys/param.h
        !            50: */
        !            51: 
        !            52: /*
        !            53: ** if xV7_UNIX is defined, we include <sys/param.h>, which will
        !            54: ** define NOFILE, so we avoid defining it here.
        !            55: */
        !            56: # ifndef       xV7_UNIX
        !            57: # define       NOFILE          20
        !            58: # endif                xV7_UNIX
        !            59: 
        !            60: 
        !            61: /*
        !            62: **     USERINGRES is the UNIX login name of the INGRES superuser,
        !            63: **             normally "ingres" of course.  The root of this persons
        !            64: **             subtree as listed in /etc/passwd becomes the root of
        !            65: **             the INGRES subtree.
        !            66: */
        !            67: 
        !            68: # define       USERINGRES      "ingres"
        !            69: 
        !            70: 
        !            71: /*
        !            72: **  Structure for 'gtty' and 'stty'
        !            73: */
        !            74: 
        !            75: # ifndef xV7_UNIX
        !            76: struct sgttyb
        !            77: {
        !            78:        char    sg_ispeed;
        !            79:        char    sg_ospeed;
        !            80:        char    sg_erase;
        !            81:        char    sg_kill;
        !            82:        int     sg_flags;
        !            83: };
        !            84: # else
        !            85: # include      <sgtty.h>
        !            86: # endif xV7_UNIX
        !            87: 
        !            88: 
        !            89: /*
        !            90: **  Structure for 'fstat' and 'stat' system calls.
        !            91: */
        !            92: 
        !            93: # ifndef xV7_UNIX
        !            94: struct stat {
        !            95:        short   st_dev;         /* +0: device of i-node */
        !            96:        short   st_ino;         /* +2 */
        !            97:        short   st_mode;        /* +4: see below */
        !            98:        char    st_nlink;       /* +6: number of links to file */
        !            99:        char    st_uid;         /* +7: user ID of owner */
        !           100:        char    st_gid;         /* +8: group ID of owner */
        !           101:        char    st_sz0;         /* +9: high byte of 24-bit size */
        !           102:        int     st_sz1;         /* +10: low word of 24-bit size */
        !           103:        int     st_addr[8];     /* +12: block numbers or device number */
        !           104:        int     st_atime[2];    /* +28: time of last access */
        !           105:        int     st_mtime[2];    /* +32: time of last modification */
        !           106: };
        !           107: 
        !           108: #define                IALLOC  0100000
        !           109: #define                S_IFMT  060000
        !           110: #define                S_IFDIR 040000
        !           111: #define                IFCHR   020000
        !           112: #define                IFBLK   060000
        !           113: # endif
        !           114: # ifdef xV7_UNIX
        !           115: 
        !           116: # ifdef bitset
        !           117: # undef                bitset
        !           118: # undef                setbit
        !           119: # undef                clrbit
        !           120: # include      <sys/param.h>
        !           121: # include      <sys/stat.h>
        !           122: # undef                bitset
        !           123: # undef                setbit
        !           124: # undef                clrbit
        !           125: # define       bitset(bit, word)       ((bit) & (word))
        !           126: # define       setbit(bit, word)       word |= bit
        !           127: # define       clrbit(bit, word)       word &= ~bit
        !           128: # else  bitset
        !           129: # include      <sys/param.h>
        !           130: # include      <sys/stat.h>
        !           131: # undef                bitset
        !           132: # undef                setbit
        !           133: # undef                clrbit
        !           134: # endif bitset
        !           135: 
        !           136: # endif xV7_UNIX
        !           137: 
        !           138: 
        !           139: # endif USERINGRES

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