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b8031fc965
Fixes <https://bugs.gnu.org/76343>. Fixes a bug whereby “echo '(environ)' | guile” would wrongfully trigger the multiple-thread warning. * libguile/finalizers.c (finalizer_thread): New variable. (finalization_thread_proc): Set it. (scm_i_is_finalizer_thread): New function. (run_finalization_thread): Clear FINALIZER_THREAD. * libguile/finalizers.h (scm_i_is_finalizer_thread): New declaration. * libguile/threads.c (scm_all_threads): Use it. * NEWS: Update. Reported-by: Simon Josefsson <simon@josefsson.org>
54 lines
1.9 KiB
C
54 lines
1.9 KiB
C
#ifndef SCM_FINALIZERS_H
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#define SCM_FINALIZERS_H
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/* Copyright 2012, 2013, 2014, 2018, 2025
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Free Software Foundation, Inc.
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This file is part of Guile.
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Guile is free software: you can redistribute it and/or modify it
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under the terms of the GNU Lesser General Public License as published
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by the Free Software Foundation, either version 3 of the License, or
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(at your option) any later version.
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Guile is distributed in the hope that it will be useful, but WITHOUT
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ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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FITNESS FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public
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License for more details.
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You should have received a copy of the GNU Lesser General Public
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License along with Guile. If not, see
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<https://www.gnu.org/licenses/>. */
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#include "libguile/scm.h"
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typedef void (*scm_t_finalizer_proc) (void *obj, void *data);
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SCM_INTERNAL void scm_i_set_finalizer (void *obj, scm_t_finalizer_proc,
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void *data);
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SCM_INTERNAL void scm_i_add_finalizer (void *obj, scm_t_finalizer_proc,
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void *data);
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SCM_INTERNAL void scm_i_add_resuscitator (void *obj, scm_t_finalizer_proc,
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void *data);
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SCM_INTERNAL void scm_i_finalizer_pre_fork (void);
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/* CALLBACK will be called after each garbage collection. It will be
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called from a finalizer, which may be from an async or from another
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thread. */
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SCM_INTERNAL void scm_i_register_async_gc_callback (void (*callback) (void));
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/* Return true if THREAD is the finalizer thread. */
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SCM_INTERNAL int scm_i_is_finalizer_thread (struct scm_thread *thread);
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SCM_API int scm_set_automatic_finalization_enabled (int enabled_p);
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SCM_API int scm_run_finalizers (void);
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SCM_INTERNAL void scm_init_finalizers (void);
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SCM_INTERNAL void scm_init_finalizer_thread (void);
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#endif /* SCM_FINALIZERS_H */
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