-/* classes: h_files */
-
-#ifndef DYNWINDH
-#define DYNWINDH
-/* Copyright (C) 1995, 1996, 1998, 1999, 2000 Free Software Foundation, Inc.
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License as published by
- * the Free Software Foundation; either version 2, or (at your option)
- * any later version.
- *
- * This program 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 General Public License for more details.
- *
- * You should have received a copy of the GNU General Public License
- * along with this software; see the file COPYING. If not, write to
- * the Free Software Foundation, Inc., 59 Temple Place, Suite 330,
- * Boston, MA 02111-1307 USA
- *
- * As a special exception, the Free Software Foundation gives permission
- * for additional uses of the text contained in its release of GUILE.
- *
- * The exception is that, if you link the GUILE library with other files
- * to produce an executable, this does not by itself cause the
- * resulting executable to be covered by the GNU General Public License.
- * Your use of that executable is in no way restricted on account of
- * linking the GUILE library code into it.
- *
- * This exception does not however invalidate any other reasons why
- * the executable file might be covered by the GNU General Public License.
- *
- * This exception applies only to the code released by the
- * Free Software Foundation under the name GUILE. If you copy
- * code from other Free Software Foundation releases into a copy of
- * GUILE, as the General Public License permits, the exception does
- * not apply to the code that you add in this way. To avoid misleading
- * anyone as to the status of such modified files, you must delete
- * this exception notice from them.
- *
- * If you write modifications of your own for GUILE, it is your choice
- * whether to permit this exception to apply to your modifications.
- * If you do not wish that, delete this exception notice. */
-\f
-#include "libguile/__scm.h"
-
-\f
-
-typedef void (*scm_guard_t) (void *);
-typedef SCM (*scm_inner_t) (void *);
-
-extern SCM scm_dynamic_wind (SCM thunk1, SCM thunk2, SCM thunk3);
-extern SCM scm_internal_dynamic_wind (scm_guard_t before,
- scm_inner_t inner,
- scm_guard_t after,
- void *inner_data,
- void *guard_data);
-extern void scm_dowinds (SCM to, long delta);
-extern void scm_init_dynwind (void);
-
-#ifdef GUILE_DEBUG
-extern SCM scm_wind_chain (void);
-#endif /*GUILE_DEBUG*/
-
-#endif /* DYNWINDH */
-
-/*
- Local Variables:
- c-file-style: "gnu"
- End:
-*/
+/* classes: h_files */
+
+#ifndef SCM_DYNWIND_H
+#define SCM_DYNWIND_H
+
+/* Copyright (C) 1995,1996,1998,1999,2000,2003,2004, 2006, 2008, 2011 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
+ */
+
+\f
+
+#include "libguile/__scm.h"
+
+\f
+
+typedef void (*scm_t_guard) (void *);
+
+SCM_API SCM scm_dynamic_wind (SCM thunk1, SCM thunk2, SCM thunk3);
+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);
+
+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:
+*/