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7c241325d6
As a result, is not necessary to specify __attribute__ ((nocommon)) on individual definitions. GCC 10 defaults to -fno-common on all architectures except ARC, but this change is compatible with older GCC versions and ARC, too. Reviewed-by: Carlos O'Donell <carlos@redhat.com>
30 lines
1.2 KiB
C
30 lines
1.2 KiB
C
/* Copyright (C) 2002-2021 Free Software Foundation, Inc.
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This file is part of the GNU C Library.
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Contributed by Ulrich Drepper <drepper@redhat.com>, 2002.
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The GNU C 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
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License as published by the Free Software Foundation; either
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version 2.1 of the License, or (at your option) any later version.
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The GNU C Library is distributed in the hope that it will be useful,
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but 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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You should have received a copy of the GNU Lesser General Public
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License along with the GNU C Library; if not, see
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<https://www.gnu.org/licenses/>. */
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#include <pthreadP.h>
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#if IS_IN (libc)
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# ifndef TLS_MULTIPLE_THREADS_IN_TCB
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/* Variable set to a nonzero value either if more than one thread runs or ran,
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or if a single-threaded process is trying to cancel itself. See
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nptl/descr.h for more context on the single-threaded process case. */
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int __libc_multiple_threads;
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libc_hidden_data_def (__libc_multiple_threads)
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# endif
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#endif
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