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75c7f79abc
This will replace an internal interface in (system foreign-objects). * module/system/finalizers.scm: New file. * am/bootstrap.am (SOURCES): Add new file. * libguile/foreign-object.h: * libguile/foreign-object.c (invoke_finalizer): (sys_add_finalizer_x): (scm_init_foreign_object): (scm_register_foreign_object): Remove. * libguile/init.c (scm_i_init_guile): Register finalizers instead of foreign-object. * module/system/foreign-object.scm (allocate-instance): Use finalizers module. * libguile/finalizers.c (invoke_finalizer): (scm_sys_add_finalizer): New helper.
34 lines
1.3 KiB
Scheme
34 lines
1.3 KiB
Scheme
;;; Copyright (C) 2025 Free Software Foundation, Inc.
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;;;
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;;; This library is free software: you can redistribute it and/or modify
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;;; it under the terms of the GNU Lesser General Public License as
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;;; published by the Free Software Foundation, either version 3 of the
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;;; License, or (at your option) any later version.
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;;;
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;;; This library is distributed in the hope that it will be useful, but
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;;; WITHOUT ANY WARRANTY; without even the implied warranty of
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;;; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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;;; Lesser General Public License for more details.
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;;;
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;;; You should have received a copy of the GNU Lesser General Public
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;;; License along with this program. If not, see
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;;; <http://www.gnu.org/licenses/>.
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(define-module (system finalizers)
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#:export (add-finalizer!
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%guardian-finalizer-priority
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%default-finalizer-priority))
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(eval-when (expand load eval)
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(load-extension (string-append "libguile-" (effective-version))
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"scm_init_finalizers_module"))
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(define %guardian-finalizer-priority 1)
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(define %default-finalizer-priority 0)
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(define* (add-finalizer! obj proc
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#:optional (priority %default-finalizer-priority))
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"Add a finalizer @var{proc} to object @var{obj}, with priority
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@var{priority}. Return the finalizer object."
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(%add-finalizer! obj proc priority))
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