libguile/finalizers.h

   1 #ifndef SCM_FINALIZERS_H
   2 #define SCM_FINALIZERS_H
   3
   4 /* Copyright (C) 2012, 2013, 2014 Free Software Foundation, Inc.
   5  *
   6  * This library is free software; you can redistribute it and/or
   7  * modify it under the terms of the GNU Lesser General Public License
   8  * as published by the Free Software Foundation; either version 3 of
   9  * the License, or (at your option) any later version.
  10  *
  11  * This library is distributed in the hope that it will be useful, but
  12  * WITHOUT ANY WARRANTY; without even the implied warranty of
  13  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  14  * Lesser General Public License for more details.
  15  *
  16  * You should have received a copy of the GNU Lesser General Public
  17  * License along with this library; if not, write to the Free Software
  18  * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
  19  * 02110-1301 USA
  20  */
  21
  22 \f
  23
  24 #include "libguile/__scm.h"
  25
  26 \f
  27
  28 typedef void (*scm_t_finalizer_proc) (void *obj, void *data);
  29
  30 SCM_INTERNAL void scm_i_set_finalizer (void *obj, scm_t_finalizer_proc,
  31                                        void *data);
  32 SCM_INTERNAL void scm_i_add_finalizer (void *obj, scm_t_finalizer_proc,
  33                                        void *data);
  34 SCM_INTERNAL void scm_i_add_resuscitator (void *obj, scm_t_finalizer_proc,
  35                                           void *data);
  36
  37 SCM_INTERNAL void scm_i_finalizer_pre_fork (void);
  38
  39 /* CALLBACK will be called on OBJ after each garbage collection, as long
  40    as OBJ is accessible.  It will be called from a finalizer, which may
  41    be from an async or from another thread. */
  42 SCM_INTERNAL void scm_i_register_weak_gc_callback (SCM obj, void (*callback) (SCM));
  43
  44 SCM_API int scm_set_automatic_finalization_enabled (int enabled_p);
  45 SCM_API int scm_run_finalizers (void);
  46
  47 SCM_INTERNAL void scm_init_finalizers (void);
  48 SCM_INTERNAL void scm_init_finalizer_thread (void);
  49
  50 #endif  /* SCM_FINALIZERS_H */