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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.
61 lines
1.8 KiB
C
61 lines
1.8 KiB
C
#ifndef SCM_ATOMIC_H
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#define SCM_ATOMIC_H
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/* Copyright 2016,2018
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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/gc.h"
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static inline int
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scm_is_atomic_box (SCM obj)
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{
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return SCM_HAS_TYP7 (obj, scm_tc7_atomic_box);
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}
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static inline SCM*
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scm_atomic_box_loc (SCM obj)
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{
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return SCM_CELL_OBJECT_LOC (obj, 1);
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}
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#define SCM_VALIDATE_ATOMIC_BOX(pos, var) \
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do { \
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SCM_ASSERT_TYPE (scm_is_atomic_box (var), var, pos, FUNC_NAME, \
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"atomic box"); \
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} while (0)
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#ifdef BUILDING_LIBGUILE
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SCM_INTERNAL SCM scm_make_atomic_box (SCM init);
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SCM_INTERNAL SCM scm_atomic_box_p (SCM obj);
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SCM_INTERNAL SCM scm_atomic_box_ref (SCM box);
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SCM_INTERNAL SCM scm_atomic_box_set_x (SCM box, SCM val);
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SCM_INTERNAL SCM scm_atomic_box_swap_x (SCM box, SCM val);
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SCM_INTERNAL SCM scm_atomic_box_compare_and_swap_x (SCM box, SCM expected, SCM desired);
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SCM_INTERNAL void scm_i_atomic_box_print (SCM box, SCM port, scm_print_state *pstate);
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SCM_INTERNAL void scm_register_atomic (void);
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#endif /* BUILDING_LIBGUILE */
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#endif /* SCM_ATOMIC_H */
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