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Diffstat (limited to 'libguile/gc.h')
-rw-r--r-- | libguile/gc.h | 118 |
1 files changed, 118 insertions, 0 deletions
diff --git a/libguile/gc.h b/libguile/gc.h new file mode 100644 index 000000000..8760811a9 --- /dev/null +++ b/libguile/gc.h @@ -0,0 +1,118 @@ +/* classes: h_files */ + +#ifndef GCH +#define GCH +/* Copyright (C) 1995,1996 Free Software Foundation, Inc. + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; either version 2, or (at your option) + * any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this software; see the file COPYING. If not, write to + * the Free Software Foundation, 675 Mass Ave, Cambridge, MA 02139, USA. + * + * As a special exception, the Free Software Foundation gives permission + * for additional uses of the text contained in its release of GUILE. + * + * The exception is that, if you link the GUILE library with other files + * to produce an executable, this does not by itself cause the + * resulting executable to be covered by the GNU General Public License. + * Your use of that executable is in no way restricted on account of + * linking the GUILE library code into it. + * + * This exception does not however invalidate any other reasons why + * the executable file might be covered by the GNU General Public License. + * + * This exception applies only to the code released by the + * Free Software Foundation under the name GUILE. If you copy + * code from other Free Software Foundation releases into a copy of + * GUILE, as the General Public License permits, the exception does + * not apply to the code that you add in this way. To avoid misleading + * anyone as to the status of such modified files, you must delete + * this exception notice from them. + * + * If you write modifications of your own for GUILE, it is your choice + * whether to permit this exception to apply to your modifications. + * If you do not wish that, delete this exception notice. + */ + + +#include "__scm.h" + + +#define SCM_FREEP(x) (SCM_CAR(x)==scm_tc_free_cell) +#define SCM_NFREEP(x) (!SCM_FREEP(x)) + +extern struct scm_heap_seg_data *scm_heap_table; +extern int scm_n_heap_segs; +extern int scm_take_stdin; +extern int scm_block_gc; +extern int scm_gc_heap_lock; + + + +extern long scm_heap_size; +extern SCM_CELLPTR scm_heap_org; +extern SCM scm_freelist; +extern unsigned long scm_gc_cells_collected; +extern unsigned long scm_gc_malloc_collected; +extern unsigned long scm_gc_ports_collected; +extern unsigned long scm_cells_allocated; +extern unsigned long scm_mallocated; +extern long scm_mtrigger; + + +#ifdef __STDC__ +extern SCM scm_gc_stats (void); +extern void scm_gc_start (char *what); +extern void scm_gc_end (void); +extern SCM scm_gc (void); +extern void scm_gc_for_alloc (int ncells, SCM * freelistp); +extern SCM scm_gc_for_newcell (void); +extern void scm_igc (char *what); +extern void scm_gc_mark (SCM p); +extern void scm_mark_locations (SCM_STACKITEM x[], scm_sizet n); +extern void scm_gc_sweep (void); +extern char * scm_must_malloc (long len, char *what); +extern char * scm_must_realloc (char *where, long olen, long len, char *what); +extern void scm_must_free (char *obj); +extern void scm_remember (SCM * ptr); +extern SCM scm_return_first (SCM elt, ...); +extern SCM scm_permanent_object (SCM obj); +extern SCM scm_protect_object (SCM obj); +extern SCM scm_unprotect_object (SCM obj); +extern int scm_init_storage (long init_heap_size); +extern void scm_init_gc (void); + +#else /* STDC */ +extern SCM scm_gc_stats (); +extern void scm_gc_start (); +extern void scm_gc_end (); +extern SCM scm_gc (); +extern void scm_gc_for_alloc (); +extern SCM scm_gc_for_newcell (); +extern void scm_igc (); +extern void scm_gc_mark (); +extern void scm_mark_locations (); +extern void scm_gc_sweep (); +extern char * scm_must_malloc (); +extern char * scm_must_realloc (); +extern void scm_must_free (); +extern void scm_remember (); +extern SCM scm_return_first (); +extern SCM scm_permanent_object (); +extern SCM scm_protect_object (); +extern SCM scm_unprotect_object (); +extern int scm_init_storage (); +extern void scm_init_gc (); + +#endif /* STDC */ +#include "marksweep.h" +#endif /* GCH */ |