campo-sirio/cb/source/s4initfr.c
alex af15e0698b Codebase
git-svn-id: svn://10.65.10.50/trunk@4679 c028cbd2-c16b-5b4b-a496-9718f37d4682
1997-06-16 13:01:08 +00:00

139 lines
3.3 KiB
C
Executable File

/* s4initfr.c (c)Copyright Sequiter Software Inc., 1988-1996. All rights reserved. */
#include "d4all.h"
#ifndef S4UNIX
#ifdef __TURBOC__
#pragma hdrstop
#endif
#endif
#ifndef S4CLIENT
void relate4freeBitmaps( RELATE4 *relate )
{
RELATE4 *relateOn ;
#ifdef E4PARM_LOW
if ( relate == 0 )
error4( 0, e4parm_null, E91909 ) ;
#endif
for( relateOn = 0 ;; )
{
relateOn = (RELATE4 *)l4next( &relate->slaves, relateOn ) ;
if ( relateOn == 0 )
break ;
relate4freeBitmaps( relateOn ) ;
}
u4free( relate->set.flags ) ;
memset( (void *)&relate->set, 0, sizeof ( F4FLAG ) ) ;
}
#endif
/* frees up any extra memory that is not neccessarily required for CodeBase */
/* returns 0 if successfully freed info, else 0 */
static int sort4freeExtra( RELATE4 *relate, CODE4 *codeBase )
{
#ifdef E4PARM_LOW
if ( codeBase == 0 )
error4( 0, e4parm_null, E91910 ) ;
#endif
#ifndef S4OPTIMIZE_OFF
if ( codeBase->hasOpt && codeBase->opt.numBuffers )
{
code4optSuspend( codeBase ) ;
codeBase->hadOpt = 0 ; /* re-enable auto-start of memory optimization */
error4set( codeBase, 0 ) ;
return 0 ;
}
#endif
#ifndef S4CLIENT
if ( relate != 0 )
if ( relate->relation->bitmapsFreed == 0 )
{
relate4freeBitmaps( relate ) ;
relate->relation->bitmapsFreed = 1 ;
return 0 ;
}
#endif
return 1 ;
}
int S4FUNCTION sort4getInitFree( SORT4 *s4, RELATE4 *relate )
{
CODE4 *codeBase ;
int rc, oldPoolN, prev ;
unsigned int oldPoolEntries, oldTotLen ;
#ifdef E4PARM_LOW
if ( s4 == 0 )
error4( 0, e4parm_null, E91911 ) ;
#endif
codeBase = s4->codeBase ;
if ( error4code( codeBase ) < 0 )
return e4codeBase ;
oldPoolN = s4->poolN ;
oldPoolEntries = s4->poolEntries ;
oldTotLen = s4->totLen ;
prev = 0 ;
if ( s4->spoolsMax > 0 )
{
rc = sort4spoolsInit( s4, prev ) ;
while( rc == e4memory )
{
if ( sort4freeExtra( relate, codeBase ) == 1 )
{
sort4free( s4 ) ;
return error4( s4->codeBase, e4memory, E91911 ) ;
}
prev = 1 ;
s4->poolEntries = oldPoolEntries ;
s4->totLen = oldTotLen ;
/* reset the pools */
mem4release( s4->poolMemory ) ;
s4->poolMemory = mem4create( s4->codeBase, 1, (unsigned) s4->poolEntries*s4->totLen+sizeof(LINK4), 1, 1 ) ;
for ( s4->poolN = 0 ; oldPoolN ; oldPoolN-- )
if ( mem4alloc( s4->poolMemory ) )
s4->poolN++ ;
rc = sort4spoolsInit( s4, prev ) ;
}
}
else
{
sort4getMemInit( s4 ) ;
return 0 ;
}
return rc ;
}
int S4FUNCTION sort4initFree( SORT4 *s4, CODE4 *c4, const int sortL, const int infoL, RELATE4 *relate )
{
int rc ;
#ifdef E4PARM_LOW
if ( s4 == 0 || c4 == 0 || sortL < 0 || infoL < 0 )
error4( 0, e4parm_null, E91912 ) ;
#endif
sort4initSet( s4, c4, sortL, infoL ) ;
rc = sort4initAlloc( s4 ) ;
while( rc == e4memory )
{
if ( sort4freeExtra( relate, c4 ) == 1 )
{
sort4free( s4 ) ;
return error4( s4->codeBase, e4memory, E91912 ) ;
}
rc = sort4initAlloc( s4 ) ;
}
return rc ;
}