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0f2d19dd JB |
1 | /* classes: h_files */ |
2 | ||
3 | #ifndef GCH | |
4 | #define GCH | |
a5c314c8 | 5 | /* Copyright (C) 1995, 1996, 1998, 1999 Free Software Foundation, Inc. |
0f2d19dd JB |
6 | * |
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) | |
10 | * any later version. | |
11 | * | |
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. | |
16 | * | |
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 | |
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19 | * the Free Software Foundation, Inc., 59 Temple Place, Suite 330, |
20 | * Boston, MA 02111-1307 USA | |
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21 | * |
22 | * As a special exception, the Free Software Foundation gives permission | |
23 | * for additional uses of the text contained in its release of GUILE. | |
24 | * | |
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. | |
30 | * | |
31 | * This exception does not however invalidate any other reasons why | |
32 | * the executable file might be covered by the GNU General Public License. | |
33 | * | |
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. | |
41 | * | |
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. | |
82892bed | 44 | * If you do not wish that, delete this exception notice. */ |
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45 | \f |
46 | ||
b4309c3c | 47 | #include "libguile/__scm.h" |
0f2d19dd JB |
48 | \f |
49 | ||
50 | #define SCM_FREEP(x) (SCM_CAR(x)==scm_tc_free_cell) | |
51 | #define SCM_NFREEP(x) (!SCM_FREEP(x)) | |
52 | ||
79e3f9e2 MD |
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 \ | |
56 | ? SCM_GC8MARKP(x) \ | |
57 | : SCM_GCMARKP(x)) | |
58 | #define SCM_NMARKEDP(x) (!SCM_MARKEDP(x)) | |
59 | ||
0f2d19dd JB |
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; | |
65 | \f | |
66 | ||
67 | ||
15e9d186 | 68 | extern unsigned long scm_heap_size; |
0f2d19dd JB |
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; | |
a5c314c8 | 75 | extern long scm_mallocated; |
15e9d186 | 76 | extern unsigned long scm_mtrigger; |
0f2d19dd | 77 | |
88256b2e | 78 | #ifdef DEBUG_FREELIST |
f2333166 | 79 | extern SCM scm_debug_newcell (void); |
88256b2e JB |
80 | #endif |
81 | ||
0f2d19dd | 82 | \f |
0f2d19dd | 83 | |
8163d1e4 | 84 | extern SCM scm_object_address (SCM obj); |
fe1a46f0 JB |
85 | extern SCM scm_unhash_name (SCM name); |
86 | extern SCM scm_gc_stats (void); | |
3eeba8d4 | 87 | extern void scm_gc_start (const char *what); |
fe1a46f0 JB |
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); | |
3eeba8d4 | 92 | extern void scm_igc (const char *what); |
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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); | |
3eeba8d4 | 97 | extern char * scm_must_malloc (scm_sizet len, const char *what); |
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98 | extern char * scm_must_realloc (char *where, |
99 | scm_sizet olen, scm_sizet len, | |
3eeba8d4 | 100 | const char *what); |
fe1a46f0 JB |
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); | |
0f2d19dd | 110 | #endif /* GCH */ |