/* Once-only control (native Windows implementation).
Copyright (C) 2005-2021 Free Software Foundation, Inc.
This program is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation; either version 3, or (at your option)
any later version.
This program 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 General Public License for more details.
You should have received a copy of the GNU General Public License
along with this program; if not, see <https://www.gnu.org/licenses/>. */
/* Written by Bruno Haible <bruno@clisp.org>, 2005.
Based on GCC's gthr-win32.h. */
#ifndef _WINDOWS_ONCE_H
#define _WINDOWS_ONCE_H
#define WIN32_LEAN_AND_MEAN /* avoid including junk */
#include <windows.h>
typedef struct
{
volatile int inited;
volatile LONG started;
CRITICAL_SECTION lock;
}
glwthread_once_t;
#define GLWTHREAD_ONCE_INIT { -1, -1 }
#ifdef __cplusplus
extern "C" {
#endif
extern void glwthread_once (glwthread_once_t *once_control,
void (*initfunction) (void));
#ifdef __cplusplus
}
#endif
#endif /* _WINDOWS_ONCE_H */