d3c08ce4703d4054b5640bd850420dd1fac2e590
5 /* Copyright (C) 1995, 1996, 1998, 1999 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, Inc., 59 Temple Place, Suite 330,
20 * Boston, MA 02111-1307 USA
22 * As a special exception, the Free Software Foundation gives permission
23 * for additional uses of the text contained in its release of GUILE.
25 * The exception is that, if you link the GUILE library with other files
26 * to produce an executable, this does not by itself cause the
27 * resulting executable to be covered by the GNU General Public License.
28 * Your use of that executable is in no way restricted on account of
29 * linking the GUILE library code into it.
31 * This exception does not however invalidate any other reasons why
32 * the executable file might be covered by the GNU General Public License.
34 * This exception applies only to the code released by the
35 * Free Software Foundation under the name GUILE. If you copy
36 * code from other Free Software Foundation releases into a copy of
37 * GUILE, as the General Public License permits, the exception does
38 * not apply to the code that you add in this way. To avoid misleading
39 * anyone as to the status of such modified files, you must delete
40 * this exception notice from them.
42 * If you write modifications of your own for GUILE, it is your choice
43 * whether to permit this exception to apply to your modifications.
44 * If you do not wish that, delete this exception notice. */
47 #include "libguile/__scm.h"
50 #define SCM_FREEP(x) (SCM_CAR(x)==scm_tc_free_cell)
51 #define SCM_NFREEP(x) (!SCM_FREEP(x))
53 /* 1. This shouldn't be used on immediates.
54 2. It thinks that subrs are always unmarked (harmless). */
55 #define SCM_MARKEDP(x) ((SCM_CAR(x) & 5) == 5 \
58 #define SCM_NMARKEDP(x) (!SCM_MARKEDP(x))
60 extern struct scm_heap_seg_data
*scm_heap_table
;
61 extern int scm_n_heap_segs
;
62 extern int scm_take_stdin
;
63 extern int scm_block_gc
;
64 extern int scm_gc_heap_lock
;
68 extern unsigned long scm_heap_size
;
69 extern SCM_CELLPTR scm_heap_org
;
70 extern SCM scm_freelist
;
71 extern unsigned long scm_gc_cells_collected
;
72 extern unsigned long scm_gc_malloc_collected
;
73 extern unsigned long scm_gc_ports_collected
;
74 extern unsigned long scm_cells_allocated
;
75 extern long scm_mallocated
;
76 extern unsigned long scm_mtrigger
;
79 extern SCM
scm_debug_newcell (void);
84 extern SCM
scm_object_address (SCM obj
);
85 extern SCM
scm_unhash_name (SCM name
);
86 extern SCM
scm_gc_stats (void);
87 extern void scm_gc_start (const char *what
);
88 extern void scm_gc_end (void);
89 extern SCM
scm_gc (void);
90 extern void scm_gc_for_alloc (int ncells
, SCM
* freelistp
);
91 extern SCM
scm_gc_for_newcell (void);
92 extern void scm_igc (const char *what
);
93 extern void scm_gc_mark (SCM p
);
94 extern void scm_mark_locations (SCM_STACKITEM x
[], scm_sizet n
);
95 extern int scm_cellp (SCM value
);
96 extern void scm_gc_sweep (void);
97 extern char * scm_must_malloc (scm_sizet len
, const char *what
);
98 extern char * scm_must_realloc (char *where
,
99 scm_sizet olen
, scm_sizet len
,
101 extern void scm_done_malloc (long size
);
102 extern void scm_must_free (char *obj
);
103 extern void scm_remember (SCM
* ptr
);
104 extern SCM
scm_return_first (SCM elt
, ...);
105 extern SCM
scm_permanent_object (SCM obj
);
106 extern SCM
scm_protect_object (SCM obj
);
107 extern SCM
scm_unprotect_object (SCM obj
);
108 extern int scm_init_storage (scm_sizet init_heap_size
);
109 extern void scm_init_gc (void);