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475772ea57
Conflicts: GUILE-VERSION NEWS guile-readline/ice-9/readline.scm libguile/async.c libguile/backtrace.c libguile/deprecated.h libguile/gc-malloc.c libguile/gdbint.c libguile/init.c libguile/ioext.c libguile/mallocs.c libguile/print.c libguile/rw.c libguile/scmsigs.c libguile/script.c libguile/simpos.c libguile/snarf.h libguile/strports.c libguile/threads.c libguile/vm-i-scheme.c libguile/vm-i-system.c module/srfi/srfi-18.scm test-suite/Makefile.am test-suite/standalone/test-num2integral.c
64 lines
2.1 KiB
C
64 lines
2.1 KiB
C
#ifndef SCM_BDW_GC_H
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#define SCM_BDW_GC_H
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/* Copyright (C) 2006, 2008, 2009, 2011, 2012, 2013, 2014 Free Software Foundation, Inc.
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*
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* This library is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Lesser General Public License
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* as published by the Free Software Foundation; either version 3 of
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* the 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 library; if not, write to the Free Software
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* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
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* 02110-1301 USA
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*/
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/* Correct header inclusion. */
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#include "libguile/scmconfig.h"
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#if SCM_USE_PTHREAD_THREADS
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/* When pthreads are used, let `libgc' know about it and redirect allocation
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calls such as `GC_MALLOC ()' to (contention-free, faster) thread-local
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allocation. */
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# define GC_THREADS 1
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# define GC_REDIRECT_TO_LOCAL 1
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/* Don't #define pthread routines to their GC_pthread counterparts.
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Instead we will be careful inside Guile to use the GC_pthread
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routines. */
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# define GC_NO_THREAD_REDIRECTS 1
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#ifdef __MINGW32__
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/* Rely on pthreads-w32. */
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#define GC_WIN32_PTHREADS
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#endif
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#endif
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#include <gc/gc.h>
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/* Return true if PTR points to the heap. */
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#define SCM_I_IS_POINTER_TO_THE_HEAP(ptr) \
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(GC_base (ptr) != NULL)
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/* Register a disappearing link for the object pointed to by OBJ such that
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the pointer pointed to be LINK is cleared when OBJ is reclaimed. Do so
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only if OBJ actually points to the heap. See
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http://thread.gmane.org/gmane.comp.programming.garbage-collection.boehmgc/2563
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for details. */
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#define SCM_I_REGISTER_DISAPPEARING_LINK(link, obj) \
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((SCM_I_IS_POINTER_TO_THE_HEAP (obj)) \
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? GC_GENERAL_REGISTER_DISAPPEARING_LINK ((link), (obj)) \
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: 0)
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#endif /* SCM_BDW_GC_H */
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