libguile/dynwind.h

   1 /* classes: h_files */
   2
   3 #ifndef SCM_DYNWIND_H
   4 #define SCM_DYNWIND_H
   5
   6 /* Copyright (C) 1995,1996,1998,1999,2000,2003,2004, 2006, 2008, 2011, 2012 Free Software Foundation, Inc.
   7  *
   8  * This library is free software; you can redistribute it and/or
   9  * modify it under the terms of the GNU Lesser General Public License
  10  * as published by the Free Software Foundation; either version 3 of
  11  * the License, or (at your option) any later version.
  12  *
  13  * This library is distributed in the hope that it will be useful, but
  14  * WITHOUT ANY WARRANTY; without even the implied warranty of
  15  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  16  * Lesser General Public License for more details.
  17  *
  18  * You should have received a copy of the GNU Lesser General Public
  19  * License along with this library; if not, write to the Free Software
  20  * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
  21  * 02110-1301 USA
  22  */
  23
  24 \f
  25
  26 #include "libguile/__scm.h"
  27 #include "libguile/dynstack.h"
  28
  29 \f
  30
  31 SCM_API SCM scm_dynamic_wind (SCM thunk1, SCM thunk2, SCM thunk3);
  32
  33 SCM_INTERNAL void scm_init_dynwind (void);
  34
  35 SCM_API void scm_swap_bindings (SCM vars, SCM vals);
  36
  37 typedef enum {
  38   SCM_F_DYNWIND_REWINDABLE = SCM_F_DYNSTACK_FRAME_REWINDABLE
  39 } scm_t_dynwind_flags;
  40
  41 typedef enum {
  42   SCM_F_WIND_EXPLICITLY = SCM_F_DYNSTACK_WINDER_EXPLICIT
  43 } scm_t_wind_flags;
  44
  45 SCM_API void scm_dynwind_begin (scm_t_dynwind_flags);
  46 SCM_API void scm_dynwind_end (void);
  47
  48 SCM_API void scm_dynwind_unwind_handler (void (*func) (void *), void *data,
  49                                          scm_t_wind_flags);
  50 SCM_API void scm_dynwind_rewind_handler (void (*func) (void *), void *data,
  51                                          scm_t_wind_flags);
  52
  53 SCM_API void scm_dynwind_unwind_handler_with_scm (void (*func) (SCM), SCM data,
  54                                                   scm_t_wind_flags);
  55 SCM_API void scm_dynwind_rewind_handler_with_scm (void (*func) (SCM), SCM data,
  56                                                   scm_t_wind_flags);
  57
  58 SCM_API void scm_dynwind_free (void *mem);
  59
  60
  61 #endif  /* SCM_DYNWIND_H */
  62
  63 /*
  64   Local Variables:
  65   c-file-style: "gnu"
  66   End:
  67 */