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/* ISO C 11 once-only initialization.
Copyright (C) 2005-2023 Free Software Foundation, Inc.
This file 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.
This file 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 this program. If not, see <https://www.gnu.org/licenses/>. */
/* Written by Bruno Haible <bruno@clisp.org>, 2005, 2019.
Based on GCC's gthr-posix.h, gthr-posix95.h, gthr-win32.h. */
#include <config.h>
#include <threads.h>
#include <errno.h>
#if defined _WIN32 && ! defined __CYGWIN__
/* Use Windows threads. */
# define WIN32_LEAN_AND_MEAN /* avoid including junk */
# include <windows.h>
# include <stdlib.h>
#else
/* Use POSIX threads. */
# include <pthread.h>
#endif
#if defined _WIN32 && ! defined __CYGWIN__
/* Use Windows threads. */
void
call_once (once_flag *flagp, void (*func) (void))
{
glwthread_once (flagp, func);
}
#else
/* Use POSIX threads. */
void
call_once (once_flag *flagp, void (*func) (void))
{
pthread_once (flagp, func);
}
#endif
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