4.3BSD - /usr/ingres/source/iutil/closecat.c

   1: # include   <ingres.h>
   2: # include   <aux.h>
   3: # include   <access.h>
   4: # include   <sccs.h>
   5: 
   6: SCCSID(@(#)closecat.c	8.1	12/31/84)
   7: 
   8: /*
   9: **  CLOSECATALOG -- close system catalog
  10: **
  11: **	This routine closes the sysetm relations opened by calls
  12: **	to opencatalog.
  13: **
  14: **	The 'Desxx' struct defines which relations will be closed
  15: **	in this manner and is defined in .../source/aux.h.
  16: **
  17: **	The actual desxx structure definition is in the file
  18: **
  19: **		catalog_desc.c
  20: **
  21: **	which defines which relations can be cached and if any
  22: **	alias descriptors exist for the relations. That file
  23: **	can be redefined to include various caching.
  24: **
  25: **	Parameters:
  26: **		really - whether to actually close the relations
  27: **			or just update and flush them.
  28: **
  29: **	Returns:
  30: **		none
  31: **
  32: **	Side Effects:
  33: **		A relation is (may be) closed and its pages flushed
  34: **
  35: **	Trace Flags:
  36: **		none
  37: */
  38: 
  39: 
  40: closecatalog(really)
  41: bool    really;
  42: {
  43:     register struct desxx   *p;
  44:     extern struct desxx Desxx[];
  45:     extern long     CmOfiles;
  46: 
  47:     for (p = Desxx; p->cach_relname; p++)
  48:     {
  49:         if (really && !p->cach_alias)
  50:         {
  51:             CmOfiles &= ~(1 << p->cach_desc->relfp);
  52:             if (closer(p->cach_desc) < 0)
  53:                 syserr("closecat %s", p->cach_relname);
  54:         }
  55:         else
  56:         {
  57:             if (noclose(p->cach_desc) < 0)
  58:                 syserr("closecat %s", p->cach_relname);
  59:             if (really)
  60:                 p->cach_desc->relopn = 0;
  61:         }
  62:     }
  63: }

Defined functions