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#ifndef SCM_ATOMIC_H
#define SCM_ATOMIC_H
/* Copyright 2016,2018
Free Software Foundation, Inc.
This file is part of Guile.
Guile 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.
Guile 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 Guile. If not, see
<https://www.gnu.org/licenses/>. */
#include "libguile/gc.h"
static inline int
scm_is_atomic_box (SCM obj)
{
return SCM_HAS_TYP7 (obj, scm_tc7_atomic_box);
}
static inline SCM*
scm_atomic_box_loc (SCM obj)
{
return SCM_CELL_OBJECT_LOC (obj, 1);
}
#define SCM_VALIDATE_ATOMIC_BOX(pos, var) \
do { \
SCM_ASSERT_TYPE (scm_is_atomic_box (var), var, pos, FUNC_NAME, \
"atomic box"); \
} while (0)
#ifdef BUILDING_LIBGUILE
SCM_INTERNAL SCM scm_make_atomic_box (SCM init);
SCM_INTERNAL SCM scm_atomic_box_p (SCM obj);
SCM_INTERNAL SCM scm_atomic_box_ref (SCM box);
SCM_INTERNAL SCM scm_atomic_box_set_x (SCM box, SCM val);
SCM_INTERNAL SCM scm_atomic_box_swap_x (SCM box, SCM val);
SCM_INTERNAL SCM scm_atomic_box_compare_and_swap_x (SCM box, SCM expected, SCM desired);
SCM_INTERNAL void scm_i_atomic_box_print (SCM box, SCM port, scm_print_state *pstate);
SCM_INTERNAL void scm_register_atomic (void);
#endif /* BUILDING_LIBGUILE */
#endif /* SCM_ATOMIC_H */
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