campo-sirio/cb5/s4initfr.c
alex a0f5e0898b This commit was generated by cvs2svn to compensate for changes in r975,
which included commits to RCS files with non-trunk default branches.

git-svn-id: svn://10.65.10.50/trunk@976 c028cbd2-c16b-5b4b-a496-9718f37d4682
1995-02-06 15:33:45 +00:00

113 lines
2.6 KiB
C
Executable File

/* s4initfr.c (c)Copyright Sequiter Software Inc., 1990-1994. All rights reserved. */
#include "d4all.h"
#ifndef S4UNIX
#ifdef __TURBOC__
#pragma hdrstop
#endif
#endif
void S4FUNCTION relate4free_bitmaps( RELATE4 *relate )
{
RELATE4 *relate_on ;
for( relate_on = 0 ;; )
{
relate_on = (RELATE4 *)l4next( &relate->slaves, relate_on ) ;
if ( relate_on == 0 )
break ;
relate4free_bitmaps( relate_on ) ;
}
u4free( relate->set.flags ) ;
memset( (void *)&relate->set, 0, sizeof ( F4FLAG ) ) ;
}
/* frees up any extra memory that is not neccessarily required for CodeBase */
/* returns 0 if successfully freed info, else 0 */
static int sort4free_extra( RELATE4 *relate, CODE4 *code_base )
{
#ifndef S4OPTIMIZE_OFF
if ( code_base->has_opt && code_base->opt.num_buffers )
{
d4opt_suspend( code_base ) ;
code_base->error_code = 0 ;
return 0 ;
}
#endif
if ( relate != 0 )
if ( relate->relation->bitmaps_freed == 0 )
{
relate4free_bitmaps( relate ) ;
relate->relation->bitmaps_freed = 1 ;
return 0 ;
}
return 1 ;
}
int S4FUNCTION sort4get_init_free( SORT4 *s4, RELATE4 *relate )
{
CODE4 *code_base ;
int rc, old_pool_n, old_pool_entries, old_tot_len, prev ;
code_base = s4->code_base ;
if ( code_base->error_code < 0 )
return -1 ;
old_pool_n = s4->pool_n ;
old_pool_entries = s4->pool_entries ;
old_tot_len = s4->tot_len ;
prev = 0 ;
if ( s4->spools_max > 0 )
{
rc = sort4spools_init( s4, prev ) ;
while( rc == e4memory )
{
if ( sort4free_extra( relate, code_base ) == 1 )
{
sort4free( s4 ) ;
return e4( s4->code_base, e4memory, E4_MEMORY_S ) ;
}
prev = 1 ;
s4->pool_entries = old_pool_entries ;
s4->tot_len = old_tot_len ;
/* reset the pools */
mem4release( s4->pool_memory ) ;
s4->pool_memory = mem4create( s4->code_base, 1, (unsigned) s4->pool_entries*s4->tot_len+sizeof(LINK4), 1, 1 ) ;
for ( s4->pool_n = 0 ; old_pool_n ; old_pool_n-- )
if ( mem4alloc( s4->pool_memory ) )
s4->pool_n++ ;
rc = sort4spools_init( s4, prev ) ;
}
}
else
{
sort4get_mem_init( s4 ) ;
return 0 ;
}
return rc ;
}
int S4FUNCTION sort4init_free( SORT4 *s4, CODE4 *c4, int sort_l, int info_l, RELATE4 *relate )
{
int rc ;
sort4init_set( s4, c4, sort_l, info_l ) ;
rc = sort4init_alloc( s4 ) ;
while( rc == e4memory )
{
if ( sort4free_extra( relate, c4 ) == 1 )
{
sort4free( s4 ) ;
return e4( s4->code_base, e4memory, E4_MEMORY_S ) ;
}
rc = sort4init_alloc( s4 ) ;
}
return rc ;
}