Viewing file:  minor_gc.h (4.41 KB) -rw-r--r--
Select action/file-type:
 (+) |  (+) |  (+) | Code (+) | Session (+) |  (+) | SDB (+) |  (+) |  (+) |  (+) |  (+) |  (+) |
/**************************************************************************/
/* */
/* OCaml */
/* */
/* Damien Doligez, projet Para, INRIA Rocquencourt */
/* */
/* Copyright 1996 Institut National de Recherche en Informatique et */
/* en Automatique. */
/* */
/* All rights reserved. This file is distributed under the terms of */
/* the GNU Lesser General Public License version 2.1, with the */
/* special exception on linking described in the file LICENSE. */
/* */
/**************************************************************************/
#ifndef CAML_MINOR_GC_H
#define CAML_MINOR_GC_H
#include "address_class.h"
#include "config.h"
CAMLextern value *caml_young_start, *caml_young_end;
CAMLextern value *caml_young_alloc_start, *caml_young_alloc_end;
CAMLextern value *caml_young_ptr, *caml_young_limit;
CAMLextern value *caml_young_trigger;
extern asize_t caml_minor_heap_wsz;
extern int caml_in_minor_collection;
extern double caml_extra_heap_resources_minor;
#define CAML_TABLE_STRUCT(t) { \
t *base; \
t *end; \
t *threshold; \
t *ptr; \
t *limit; \
asize_t size; \
asize_t reserve; \
}
struct caml_ref_table CAML_TABLE_STRUCT(value *);
CAMLextern struct caml_ref_table caml_ref_table;
struct caml_ephe_ref_elt {
value ephe; /* an ephemeron in major heap */
mlsize_t offset; /* the offset that points in the minor heap */
};
struct caml_ephe_ref_table CAML_TABLE_STRUCT(struct caml_ephe_ref_elt);
CAMLextern struct caml_ephe_ref_table caml_ephe_ref_table;
struct caml_custom_elt {
value block; /* The finalized block in the minor heap. */
mlsize_t mem; /* The parameters for adjusting GC speed. */
mlsize_t max;
};
struct caml_custom_table CAML_TABLE_STRUCT(struct caml_custom_elt);
CAMLextern struct caml_custom_table caml_custom_table;
extern void caml_set_minor_heap_size (asize_t); /* size in bytes */
extern void caml_empty_minor_heap (void);
CAMLextern void caml_gc_dispatch (void);
CAMLextern void garbage_collection (void); /* runtime/signals_nat.c */
extern void caml_realloc_ref_table (struct caml_ref_table *);
extern void caml_alloc_table (struct caml_ref_table *, asize_t, asize_t);
extern void caml_realloc_ephe_ref_table (struct caml_ephe_ref_table *);
extern void caml_alloc_ephe_table (struct caml_ephe_ref_table *,
asize_t, asize_t);
extern void caml_realloc_custom_table (struct caml_custom_table *);
extern void caml_alloc_custom_table (struct caml_custom_table *,
asize_t, asize_t);
extern void caml_oldify_one (value, value *);
extern void caml_oldify_mopup (void);
#define Oldify(p) do{ \
value __oldify__v__ = *p; \
if (Is_block (__oldify__v__) && Is_young (__oldify__v__)){ \
caml_oldify_one (__oldify__v__, (p)); \
} \
}while(0)
static inline void add_to_ref_table (struct caml_ref_table *tbl, value *p)
{
if (tbl->ptr >= tbl->limit){
CAMLassert (tbl->ptr == tbl->limit);
caml_realloc_ref_table (tbl);
}
*tbl->ptr++ = p;
}
static inline void add_to_ephe_ref_table (struct caml_ephe_ref_table *tbl,
value ar, mlsize_t offset)
{
struct caml_ephe_ref_elt *ephe_ref;
if (tbl->ptr >= tbl->limit){
CAMLassert (tbl->ptr == tbl->limit);
caml_realloc_ephe_ref_table (tbl);
}
ephe_ref = tbl->ptr++;
ephe_ref->ephe = ar;
ephe_ref->offset = offset;
CAMLassert(ephe_ref->offset < Wosize_val(ephe_ref->ephe));
}
static inline void add_to_custom_table (struct caml_custom_table *tbl, value v,
mlsize_t mem, mlsize_t max)
{
struct caml_custom_elt *elt;
if (tbl->ptr >= tbl->limit){
CAMLassert (tbl->ptr == tbl->limit);
caml_realloc_custom_table (tbl);
}
elt = tbl->ptr++;
elt->block = v;
elt->mem = mem;
elt->max = max;
}
#endif /* CAML_MINOR_GC_H */
|