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Allow the SMOB mark procedures to be called when libgc uses parallel markers.

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Fixes <http://bugs.gnu.org/13611>.
Reported by Mike Gran <spk121@yahoo.com>.

* libguile/smob.c (current_mark_stack_pointer,
  current_mark_stack_limit): New variables.
  (smob_mark): Use CURRENT_MARK_STACK_POINTER and
  CURRENT_MARK_STACK_LIMIT instead of the same-named fields of
  `SCM_I_CURRENT_THREAD'.
  (scm_gc_mark): Likewise.
  (scm_smob_prehistory): Initialize CURRENT_MARK_STACK_LIMIT and
  CURRENT_MARK_STACK_POINTER.
* libguile/threads.h (scm_i_thread): Add comment that
  `current_mark_stack_ptr' and `current_mark_stack_limit' are no longer
  used.
This commit is contained in:
Ludovic Courtès 2013-03-01 17:45:17 +01:00
parent 0f595d7d1d
commit 01b69e79f6
2 changed files with 29 additions and 27 deletions
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7
libguile/threads.h
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@ -3,7 +3,8 @@
#ifndef SCM_THREADS_H
#define SCM_THREADS_H
/* Copyright (C) 1996,1997,1998,2000,2001, 2002, 2003, 2004, 2006, 2007, 2008, 2009, 2011 Free Software Foundation, Inc.
/* Copyright (C) 1996, 1997, 1998, 2000, 2001, 2002, 2003, 2004, 2006,
* 2007, 2008, 2009, 2011, 2013 Free Software Foundation, Inc.
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public License
@ -71,8 +72,8 @@ typedef struct scm_i_thread {
scm_i_pthread_cond_t sleep_cond;
int sleep_fd, sleep_pipe[2];
/* Information about the Boehm-GC mark stack during the mark phase. This
is used by `scm_gc_mark ()'. */
/* XXX: These two fields used to hold information about the BDW-GC
mark stack during the mark phase. They are no longer used. */
void *current_mark_stack_ptr;
void *current_mark_stack_limit;