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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 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 2.1 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_API void scm_i_dowinds (SCM to, long delta,
void (*turn_func) (void *), void *data);
SCM_API void scm_init_dynwind (void);
SCM_API void scm_swap_bindings (SCM vars, SCM vals);
typedef enum {
SCM_F_DYNWIND_REWINDABLE = (1 << 0)
} scm_t_dynwind_flags;
typedef enum {
SCM_F_WIND_EXPLICITLY = (1 << 0)
} scm_t_wind_flags;
SCM_API void scm_dynwind_begin (scm_t_dynwind_flags);
SCM_API void scm_dynwind_end (void);
SCM_API void scm_dynwind_unwind_handler (void (*func) (void *), void *data,
scm_t_wind_flags);
SCM_API void scm_dynwind_rewind_handler (void (*func) (void *), void *data,
scm_t_wind_flags);
SCM_API void scm_dynwind_unwind_handler_with_scm (void (*func) (SCM), SCM data,
scm_t_wind_flags);
SCM_API void scm_dynwind_rewind_handler_with_scm (void (*func) (SCM), SCM data,
scm_t_wind_flags);
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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