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/* Copyright (C) 2005-2017 Free Software Foundation, Inc.
This file is part of the GNU C Library.
The GNU C Library is free software; you can redistribute it and/or
modify it under the terms of the GNU Lesser General Public
License as published by the Free Software Foundation; either
version 2.1 of the License, or (at your option) any later version.
The GNU C Library is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
Lesser General Public License for more details.
You should have received a copy of the GNU Lesser General Public
License along with the GNU C Library. If not, see
<http://www.gnu.org/licenses/>. */
#include <sysdep.h>
#include <tls.h>
#include <nptl/pthreadP.h>
#if IS_IN (libc) || IS_IN (libpthread) || IS_IN (librt)
# if IS_IN (libpthread)
# define __local_multiple_threads __pthread_multiple_threads
# elif IS_IN (libc)
# define __local_multiple_threads __libc_multiple_threads
# elif IS_IN (librt)
# define __local_multiple_threads __librt_multiple_threads
# else
# error Unsupported library
# endif
# define SINGLE_THREAD_P \
__glibc_likely (THREAD_GETMEM (THREAD_SELF, header.multiple_threads) == 0)
#else
/* This code should never be used but we define it anyhow. */
# define SINGLE_THREAD_P (1)
#endif
/* IS_IN (libc) || IS_IN (libpthread) || IS_IN (librt) */
#define RTLD_SINGLE_THREAD_P \
__glibc_likely (THREAD_GETMEM (THREAD_SELF, header.multiple_threads) == 0)
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