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/* classes: h_files */
#ifndef SCM_STACKCHK_H
#define SCM_STACKCHK_H
/* Copyright (C) 1995,1996,1998,2000, 2003, 2006, 2008, 2009, 2010, 2011, 2014 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
* as published by the Free Software Foundation; either version 3 of
* the License, or (at your option) any later version.
*
* This library 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
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this library; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
* 02110-1301 USA
*/
#include "libguile/__scm.h"
#include "libguile/continuations.h"
#include "libguile/debug.h"
/* With debug options we have the possibility to disable stack checking.
*/
#define SCM_STACK_CHECKING_P SCM_STACK_LIMIT
#if defined BUILDING_LIBGUILE
#include "libguile/private-options.h"
# if SCM_STACK_GROWS_UP
# define SCM_STACK_OVERFLOW_P(s)\
((SCM_STACK_PTR (s) - SCM_I_CURRENT_THREAD->base) > SCM_STACK_LIMIT)
# else
# define SCM_STACK_OVERFLOW_P(s)\
((SCM_I_CURRENT_THREAD->base - SCM_STACK_PTR (s)) > SCM_STACK_LIMIT)
# endif
# define SCM_CHECK_STACK\
{\
SCM_STACKITEM stack;\
if (SCM_STACK_OVERFLOW_P (&stack) && scm_stack_checking_enabled_p)\
scm_report_stack_overflow ();\
}
#else
# define SCM_CHECK_STACK /**/
#endif
SCM_API int scm_stack_checking_enabled_p;
SCM_API long scm_stack_size (SCM_STACKITEM *start);
SCM_API void scm_stack_report (void);
SCM_API SCM scm_sys_get_stack_size (void);
SCM_INTERNAL void scm_init_stackchk (void);
#endif /* SCM_STACKCHK_H */
/*
Local Variables:
c-file-style: "gnu"
End:
*/
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