mirror of
https://git.savannah.gnu.org/git/guile.git
synced 2025-05-01 20:30:28 +02:00
dc53f02690
marking code, and make marker routines only responsible for turning up outgoing pointers. * gc.c (scm_gc_mark): Set the mark bit on ports and smobs here, before calling the marking function. Don't call the marking function if it's zero. * markers.c (scm_mark0): Just return #f. This function isn't necessary at all now, but it's harmless to call it. We'll leave it in so other folks' code doesn't croak at link time. (scm_markcdr): Don't call SCM_SETGC8MARK. * async.c (mark_async): Don't call SCM_SETGC8MARK. * dynl.c (mark_dynl_obj): Same. * root.c (mark_root): Same. * srcprop.c (marksrcprops): Same. * unif.c (markra): Same. * variable.c (scm_markvar): Same. * ports.c (scm_markstream): Same. (void_port_ptob): Specify zero for our marking function. * debug.c (debugobjsmob): Same. * dynwind.c (guardsmob): Same. * filesys.c (dir_smob): Same. * fluids.c (fluid_smob): Same. * fports.c (scm_fptob, scm_pipob): Same. * mallocs.c (mallocsmob): Same. * regex-posix.c (regex_t_smob): Same. * smob.c (freecell, flob, bigob): Same. * threads.c (thread_smob, mutex_smob, condvar_smob): Same. * throw.c (jbsmob, lazy_catch_funs): Same.
87 lines
2.7 KiB
C
87 lines
2.7 KiB
C
/* 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, Inc., 59 Temple Place, Suite 330,
|
||
* Boston, MA 02111-1307 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 <stdio.h>
|
||
#include "_scm.h"
|
||
|
||
#include "markers.h"
|
||
|
||
|
||
/* {GC marking}
|
||
*/
|
||
|
||
|
||
/* This function is vestigial. It used to be the mark function's
|
||
responsibility to set the mark bit on the smob or port, but now the
|
||
generic marking routine in gc.c takes care of that, and a zero
|
||
pointer for a mark function means "don't bother". So you never
|
||
need scm_mark0.
|
||
|
||
However, we leave it here because it's harmless to call it, and
|
||
people out there have smob code that uses it, and there's no reason
|
||
to make their links fail. */
|
||
|
||
SCM
|
||
scm_mark0 (ptr)
|
||
SCM ptr;
|
||
{
|
||
return SCM_BOOL_F;
|
||
}
|
||
|
||
|
||
|
||
SCM
|
||
scm_markcdr (ptr)
|
||
SCM ptr;
|
||
{
|
||
return SCM_CDR (ptr);
|
||
}
|
||
|
||
|
||
scm_sizet
|
||
scm_free0 (ptr)
|
||
SCM ptr;
|
||
{
|
||
return 0;
|
||
}
|
||
|
||
|