5 /* Copyright (C) 1995,1996 Free Software Foundation, Inc.
7 * This program is free software; you can redistribute it and/or modify
8 * it under the terms of the GNU General Public License as published by
9 * the Free Software Foundation; either version 2, or (at your option)
12 * This program is distributed in the hope that it will be useful,
13 * but WITHOUT ANY WARRANTY; without even the implied warranty of
14 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
15 * GNU General Public License for more details.
17 * You should have received a copy of the GNU General Public License
18 * along with this software; see the file COPYING. If not, write to
19 * the Free Software Foundation, 675 Mass Ave, Cambridge, MA 02139, USA.
21 * As a special exception, the Free Software Foundation gives permission
22 * for additional uses of the text contained in its release of GUILE.
24 * The exception is that, if you link the GUILE library with other files
25 * to produce an executable, this does not by itself cause the
26 * resulting executable to be covered by the GNU General Public License.
27 * Your use of that executable is in no way restricted on account of
28 * linking the GUILE library code into it.
30 * This exception does not however invalidate any other reasons why
31 * the executable file might be covered by the GNU General Public License.
33 * This exception applies only to the code released by the
34 * Free Software Foundation under the name GUILE. If you copy
35 * code from other Free Software Foundation releases into a copy of
36 * GUILE, as the General Public License permits, the exception does
37 * not apply to the code that you add in this way. To avoid misleading
38 * anyone as to the status of such modified files, you must delete
39 * this exception notice from them.
41 * If you write modifications of your own for GUILE, it is your choice
42 * whether to permit this exception to apply to your modifications.
43 * If you do not wish that, delete this exception notice.
50 #define SCM_FREEP(x) (SCM_CAR(x)==scm_tc_free_cell)
51 #define SCM_NFREEP(x) (!SCM_FREEP(x))
53 extern struct scm_heap_seg_data
*scm_heap_table
;
54 extern int scm_n_heap_segs
;
55 extern int scm_take_stdin
;
56 extern int scm_block_gc
;
57 extern int scm_gc_heap_lock
;
61 extern long scm_heap_size
;
62 extern SCM_CELLPTR scm_heap_org
;
63 extern SCM scm_freelist
;
64 extern unsigned long scm_gc_cells_collected
;
65 extern unsigned long scm_gc_malloc_collected
;
66 extern unsigned long scm_gc_ports_collected
;
67 extern unsigned long scm_cells_allocated
;
68 extern unsigned long scm_mallocated
;
69 extern long scm_mtrigger
;
73 extern SCM scm_gc_stats
PROTO ((void));
74 extern void scm_gc_start
PROTO ((char *what
));
75 extern void scm_gc_end
PROTO ((void));
76 extern SCM scm_gc
PROTO ((void));
77 extern void scm_gc_for_alloc
PROTO ((int ncells
, SCM
* freelistp
));
78 extern SCM scm_gc_for_newcell
PROTO ((void));
79 extern void scm_igc
PROTO ((char *what
));
80 extern void scm_gc_mark
PROTO ((SCM p
));
81 extern void scm_mark_locations
PROTO ((SCM_STACKITEM x
[], scm_sizet n
));
82 extern void scm_gc_sweep
PROTO ((void));
83 extern char * scm_must_malloc
PROTO ((long len
, char *what
));
84 extern char * scm_must_realloc
PROTO ((char *where
, long olen
, long len
,
86 extern void scm_must_free
PROTO ((char *obj
));
87 extern void scm_remember
PROTO ((SCM
* ptr
));
88 extern SCM scm_return_first
PROTO ((SCM elt
, ...));
89 extern SCM scm_permanent_object
PROTO ((SCM obj
));
90 extern SCM scm_protect_object
PROTO ((SCM obj
));
91 extern SCM scm_unprotect_object
PROTO ((SCM obj
));
92 extern int scm_init_storage
PROTO ((long init_heap_size
));
93 extern void scm_init_gc
PROTO ((void));
95 #include "marksweep.h"