4.3BSD - /usr/ingres/source/h/opsys.h

   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

Defined struct's

Defined macros