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791eb0c01a
As the FSF advises, 'There is no legal significance to using the three-character sequence “(C)”, but it does no harm.' It does take up space though! For that reason, we remove it here from our C files.
62 lines
1.8 KiB
C
62 lines
1.8 KiB
C
#ifndef SCM_STACKCHK_H
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#define SCM_STACKCHK_H
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/* Copyright 1995-1996,1998,2000,2003,2006,2008-2011,2014,2018
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* Free Software Foundation, Inc.
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*
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* This library is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Lesser General Public License
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* as published by the Free Software Foundation; either version 3 of
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* the License, or (at your option) any later version.
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*
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* This library is distributed in the hope that it will be useful, but
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* WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* Lesser General Public License for more details.
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*
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* You should have received a copy of the GNU Lesser General Public
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* License along with this library; if not, write to the Free Software
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* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
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* 02110-1301 USA
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*/
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#include "libguile/continuations.h"
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#include "libguile/debug.h"
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/* With debug options we have the possibility to disable stack checking.
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*/
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#define SCM_STACK_CHECKING_P SCM_STACK_LIMIT
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#if defined BUILDING_LIBGUILE
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#include "libguile/private-options.h"
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# if SCM_STACK_GROWS_UP
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# define SCM_STACK_OVERFLOW_P(s)\
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((SCM_STACK_PTR (s) - SCM_I_CURRENT_THREAD->base) > SCM_STACK_LIMIT)
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# else
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# define SCM_STACK_OVERFLOW_P(s)\
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((SCM_I_CURRENT_THREAD->base - SCM_STACK_PTR (s)) > SCM_STACK_LIMIT)
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# endif
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# define SCM_CHECK_STACK\
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{\
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SCM_STACKITEM stack;\
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if (SCM_STACK_OVERFLOW_P (&stack) && scm_stack_checking_enabled_p)\
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scm_report_stack_overflow ();\
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}
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#else
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# define SCM_CHECK_STACK /**/
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#endif
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SCM_API int scm_stack_checking_enabled_p;
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SCM_API long scm_stack_size (SCM_STACKITEM *start);
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SCM_API void scm_stack_report (void);
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SCM_API SCM scm_sys_get_stack_size (void);
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SCM_INTERNAL void scm_init_stackchk (void);
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#endif /* SCM_STACKCHK_H */
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