111 lines
4.2 KiB
C
111 lines
4.2 KiB
C
#ifndef __POBJ_H
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#define __POBJ_H
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#define member_sizeof(s,x) (sizeof(((s *)NULL)->x))
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#define member_offset(s,x) ((int)&(((s *)NULL)->x))
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/* Note: the alignment and pobj header info was placed here in order
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* to allow fast IS_PERSISTENT check. */
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/* Architecture specific word size and alignment. */
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#define WORDSIZE sizeof(int)
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#define WORDBITS (WORDSIZE * 8)
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#define ALIGN(s) ((size_t) (((s) + (WORDSIZE - 1)) / WORDSIZE) * WORDSIZE)
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/* Persistent object control block (header). */
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struct pobj {
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size_t size;
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int type_index;
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int rep_index;
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};
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#define POBJ_HEADER_SIZE sizeof(struct pobj)
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#define IS_PERSISTENT(p) \
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(((struct pobj *)(((char *) p) - ALIGN(POBJ_HEADER_SIZE)))->rep_index >= 0)
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struct pobj_memfunc {
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void *(*malloc) (size_t);
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void *(*calloc) (size_t, size_t);
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void *(*realloc) (void *, size_t);
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void (*free) (void *);
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};
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/* Transactional markers. */
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int pobj_start (void);
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int pobj_end (void);
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/* Persistency control. */
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int pobj_persistify (void *);
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int pobj_unpersistify (void *);
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/* Memory management calls. */
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void *pobj_malloc (size_t);
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void *pobj_malloc_transient (size_t);
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void *pobj_calloc (size_t, size_t);
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void *pobj_calloc_transient (size_t, size_t);
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void pobj_free (void *);
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/* GC-oriented memory management calls (experts only!). */
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void *pobj_malloc_adhoc (size_t, void *(*) (size_t), void (*) (void *));
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void *pobj_malloc_transient_adhoc (size_t, void *(*) (size_t), void (*) (void *));
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void *pobj_calloc_adhoc (size_t, size_t, void *(*) (size_t), void (*) (void *));
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void *pobj_calloc_transient_adhoc (size_t, size_t, void *(*) (size_t),
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void (*) (void *));
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void pobj_finalize (void *);
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void pobj_finalize_raw (void *);
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void pobj_free_raw (void *);
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int pobj_ref_flag (void *, void *);
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int pobj_ref_unflag (void *, void *);
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#define POBJ_REF_FLAG(obj,fld) pobj_ref_flag((obj), &((obj)->fld))
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#define POBJ_REF_UNFLAG(obj,fld) pobj_ref_unflag((obj), &((obj)->fld))
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int pobj_ref_typify (void *, int *);
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void *pobj_memcpy (void *, void *, void *, size_t);
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void *pobj_memset (void *, void *, int, size_t);
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int pobj_set_int (void *, int *, int);
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int pobj_set_unsigned (void *, unsigned *, unsigned);
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int pobj_set_long (void *, long *, long);
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int pobj_set_unsigned_long (void *, unsigned long *, unsigned long);
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int pobj_set_short (void *, short *, short);
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int pobj_set_unsigned_short (void *, unsigned short *, unsigned short);
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int pobj_set_char (void *, char *, char);
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int pobj_set_unsigned_char (void *, unsigned char *, unsigned char);
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int pobj_set_float (void *, float *, float);
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int pobj_set_double (void *, double *, double);
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int pobj_set_ref (void *, void *, void *);
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#define POBJ_MEMCPY(obj,fld,data,len) pobj_memcpy((obj), &((obj)->fld), data, len)
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#define POBJ_MEMSET(obj,fld,c,len) pobj_memset((obj), &((obj)->fld), c, len)
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#define POBJ_SET_INT(obj,fld,data) pobj_set_int((obj), &((obj)->fld), data)
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#define POBJ_SET_UNSIGNED(obj,fld,data) \
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pobj_set_unsigned((obj), &((obj)->fld), data)
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#define POBJ_SET_LONG(obj,fld,data) pobj_set_long((obj), &((obj)->fld), data)
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#define POBJ_SET_UNSIGNED_LONG(obj,fld,data) \
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pobj_set_unsigned_long((obj), &((obj)->fld), data)
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#define POBJ_SET_SHORT(obj,fld,data) pobj_set_short((obj), &((obj)->fld), data)
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#define POBJ_SET_UNSIGNED_SHORT(obj,fld,data) \
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pobj_set_unsigned_short((obj), &((obj)->fld), data)
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#define POBJ_SET_CHAR(obj,fld,data) pobj_set_char((obj), &((obj)->fld), data)
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#define POBJ_SET_UNSIGNED_CHAR(obj,fld,data) \
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pobj_set_unsigned_char((obj), &((obj)->fld), data)
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#define POBJ_SET_FLOAT(obj,fld,data) pobj_set_float((obj), &((obj)->fld), data)
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#define POBJ_SET_DOUBLE(obj,fld,data) pobj_set_double((obj), &((obj)->fld), data)
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#define POBJ_SET_REF(obj,fld,ref) pobj_set_ref((obj), &((obj)->fld), ref)
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int pobj_update_range (void *, void *, size_t);
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#define POBJ_UPDATE_FLD(obj,fld) \
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pobj_update_range((obj), &((obj)->fld), sizeof((obj)->fld))
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#define pobj_UPDATE(obj) pobj_update_range ((obj), NULL, 0)
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int pobj_update_recursive (void *);
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int pobj_static_set_ref (void *, void *);
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int pobj_static_update_ref (void *);
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int pobj_init (struct pobj_memfunc *, struct pobj_memfunc *);
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int pobj_shutdown (void);
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#endif /* __POBJ_H */
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