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/* classes: h_files */
#ifndef SCM_DYNWIND_H
#define SCM_DYNWIND_H
/* Copyright (C) 1995,1996,1998,1999,2000,2003,2004, 2006, 2008 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"
typedef void (*scm_t_guard) (void *);
typedef SCM (*scm_t_inner) (void *);
SCM_API SCM scm_dynamic_wind (SCM thunk1, SCM thunk2, SCM thunk3);
SCM_API SCM scm_internal_dynamic_wind (scm_t_guard before,
scm_t_inner inner,
scm_t_guard after,
void *inner_data,
void *guard_data);
SCM_API void scm_dowinds (SCM to, long delta);
SCM_INTERNAL void scm_i_dowinds (SCM to, long delta,
void (*turn_func) (void *), void *data);
SCM_INTERNAL void scm_init_dynwind (void);
SCM_API void scm_swap_bindings (SCM vars, SCM vals);
/* Flags for scm_dynwind_begin. */
#define SCM_F_DYNWIND_REWINDABLE 1
/* Flags for scm_dynwind_unwind_handler(_with_scm) and
scm_dynwind_rewind_handler(_with_scm). */
#define SCM_F_WIND_EXPLICITLY 1
SCM_API void scm_dynwind_begin (int);
SCM_API void scm_dynwind_end (void);
SCM_API void scm_dynwind_unwind_handler (void (*) (void *), void *, int);
SCM_API void scm_dynwind_rewind_handler (void (*) (void *), void *, int);
SCM_API void scm_dynwind_unwind_handler_with_scm (void (*) (SCM), SCM, int);
SCM_API void scm_dynwind_rewind_handler_with_scm (void (*) (SCM), SCM, int);
SCM_API void scm_dynwind_free (void *mem);
#ifdef GUILE_DEBUG
SCM_API SCM scm_wind_chain (void);
#endif /*GUILE_DEBUG*/
#endif /* SCM_DYNWIND_H */
/*
Local Variables:
c-file-style: "gnu"
End:
*/
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