Return to closecat.c CVS log

Up to [CSRG BSD Unix] / 42BSD / ingres / source / iutil

Annotation of 42BSD/ingres/source/iutil/closecat.c, revision 1.1

1.1     ! root        1: # include      <ingres.h>
        !             2: # include      <aux.h>
        !             3: # include      <access.h>
        !             4: # include      <sccs.h>
        !             5: 
        !             6: SCCSID(@(#)closecat.c  7.1     2/5/81)
        !             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: }

This archive runs on limited infrastructure. Preserving old code on modern bandwidth. Automated agents are requested to crawl responsibly.