48 lines
1.5 KiB
C
48 lines
1.5 KiB
C
/****************************************************************
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* *
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* Copyright 2001, 2011 Fidelity Information Services, Inc *
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* *
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* This source code contains the intellectual property *
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* of its copyright holder(s), and is made available *
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* under a license. If you do not know the terms of *
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* the license, please stop and do not read further. *
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* *
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****************************************************************/
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#include "mdef.h"
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#include "objlabel.h"
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#include "cache.h"
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#include "hashtab_objcode.h"
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#include <rtnhdr.h>
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#include "stack_frame.h"
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#include "cache_cleanup.h"
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GBLREF hash_table_objcode cache_table;
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GBLREF int indir_cache_mem_size;
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void cache_cleanup(stack_frame *sf)
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{
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ihdtyp *irtnhdr;
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cache_entry *csp;
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INTPTR_T *vp;
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boolean_t deleted;
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assert(sf->ctxt);
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vp = (INTPTR_T *)sf->ctxt;
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vp--;
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if ((GTM_OMAGIC << 16) + OBJ_LABEL == *vp) /* Validate backward linkage */
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{ /* Frame is one of ours */
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vp--;
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irtnhdr = (ihdtyp *)((char *)vp + *vp);
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csp = irtnhdr->indce;
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assert(NULL != csp);
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assert(0 < csp->refcnt);
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csp->refcnt--; /* This usage of this cache entry is done */
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/* We want to keep the entry around with the hope that it will be accessed again.
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* When we keep too many entries or entries are using too much memory cache_put will call cache_table_rebuild()
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* to make space removing elements with csp->refcnt == 0 and csp->zb_refcnt == 0
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*/
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} else
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GTMASSERT; /* Not sure when this could happen */
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}
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