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It is necessary to export __pthread_cond_init from libc because the C11 condition variable needs it and is still left in libpthread. This is part of the libpthread removal project: <https://sourceware.org/ml/libc-alpha/2019-10/msg00080.html> Reviewed-by: Adhemerval Zanella <adhemerval.zanella@linaro.org>
46 lines
1.6 KiB
C
46 lines
1.6 KiB
C
/* Copyright (C) 2002-2020 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 <errno.h>
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#include "pthreadP.h"
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#include <shlib-compat.h>
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#if SHLIB_COMPAT(libc, GLIBC_2_0, GLIBC_2_3_2)
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int
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__pthread_cond_init_2_0 (pthread_cond_2_0_t *cond,
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const pthread_condattr_t *cond_attr)
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{
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struct pthread_condattr *icond_attr = (struct pthread_condattr *) cond_attr;
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/* The type of the first argument is actually that of the old, too
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small pthread_cond_t. We use only the first word of it, as a
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pointer. */
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cond->cond = NULL;
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/* We can't support PSHARED condvars in the old pthread_cond_*
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functions and neither clocks other than CLOCK_REALTIME. */
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if (icond_attr != NULL && icond_attr->value)
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return EINVAL;
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return 0;
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}
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compat_symbol (libc, __pthread_cond_init_2_0, pthread_cond_init,
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GLIBC_2_0);
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#endif
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