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115 lines
4.3 KiB
C
115 lines
4.3 KiB
C
/* classes: h_files */
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#ifndef GCH
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#define GCH
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/* Copyright (C) 1995, 1996, 1998, 1999 Free Software Foundation, Inc.
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2, or (at your option)
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* any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this software; see the file COPYING. If not, write to
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* the Free Software Foundation, Inc., 59 Temple Place, Suite 330,
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* Boston, MA 02111-1307 USA
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*
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* As a special exception, the Free Software Foundation gives permission
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* for additional uses of the text contained in its release of GUILE.
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*
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* The exception is that, if you link the GUILE library with other files
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* to produce an executable, this does not by itself cause the
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* resulting executable to be covered by the GNU General Public License.
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* Your use of that executable is in no way restricted on account of
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* linking the GUILE library code into it.
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*
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* This exception does not however invalidate any other reasons why
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* the executable file might be covered by the GNU General Public License.
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*
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* This exception applies only to the code released by the
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* Free Software Foundation under the name GUILE. If you copy
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* code from other Free Software Foundation releases into a copy of
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* GUILE, as the General Public License permits, the exception does
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* not apply to the code that you add in this way. To avoid misleading
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* anyone as to the status of such modified files, you must delete
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* this exception notice from them.
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*
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* If you write modifications of your own for GUILE, it is your choice
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* whether to permit this exception to apply to your modifications.
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* If you do not wish that, delete this exception notice. */
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/* Software engineering face-lift by Greg J. Badros, 11-Dec-1999,
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gjb@cs.washington.edu, http://www.cs.washington.edu/homes/gjb */
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#include "libguile/__scm.h"
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#define SCM_FREEP(x) (SCM_NIMP(x) && SCM_CAR(x)==scm_tc_free_cell)
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#define SCM_NFREEP(x) (!SCM_FREEP(x))
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/* 1. This shouldn't be used on immediates.
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2. It thinks that subrs are always unmarked (harmless). */
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#define SCM_MARKEDP(x) ((SCM_CAR(x) & 5) == 5 \
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? SCM_GC8MARKP(x) \
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: SCM_GCMARKP(x))
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#define SCM_NMARKEDP(x) (!SCM_MARKEDP(x))
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extern struct scm_heap_seg_data *scm_heap_table;
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extern int scm_n_heap_segs;
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extern int scm_take_stdin;
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extern int scm_block_gc;
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extern int scm_gc_heap_lock;
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extern unsigned long scm_heap_size;
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extern SCM_CELLPTR scm_heap_org;
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extern SCM scm_freelist;
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extern unsigned long scm_gc_cells_collected;
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extern unsigned long scm_gc_malloc_collected;
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extern unsigned long scm_gc_ports_collected;
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extern unsigned long scm_cells_allocated;
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extern long scm_mallocated;
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extern unsigned long scm_mtrigger;
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#ifdef GUILE_DEBUG_FREELIST
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extern SCM scm_map_free_list (void);
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extern SCM scm_debug_newcell (void);
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extern SCM scm_gc_set_debug_check_freelist_x (SCM flag);
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#endif
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extern SCM scm_object_address (SCM obj);
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extern SCM scm_unhash_name (SCM name);
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extern SCM scm_gc_stats (void);
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extern void scm_gc_start (const char *what);
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extern void scm_gc_end (void);
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extern SCM scm_gc (void);
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extern void scm_gc_for_alloc (int ncells, SCM * freelistp);
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extern SCM scm_gc_for_newcell (void);
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extern void scm_igc (const char *what);
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extern void scm_gc_mark (SCM p);
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extern void scm_mark_locations (SCM_STACKITEM x[], scm_sizet n);
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extern int scm_cellp (SCM value);
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extern void scm_gc_sweep (void);
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extern void * scm_must_malloc (scm_sizet len, const char *what);
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extern void * scm_must_realloc (void *where,
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scm_sizet olen, scm_sizet len,
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const char *what);
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extern void scm_done_malloc (long size);
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extern void scm_must_free (void *obj);
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extern void scm_remember (SCM * ptr);
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extern SCM scm_return_first (SCM elt, ...);
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extern SCM scm_permanent_object (SCM obj);
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extern SCM scm_protect_object (SCM obj);
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extern SCM scm_unprotect_object (SCM obj);
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extern int scm_init_storage (scm_sizet init_heap_size);
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extern void scm_init_gc (void);
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#endif /* GCH */
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