2020-09-02 16:47:03 +08:00
|
|
|
/* Once-only control (native Windows implementation).
|
2022-07-28 14:16:50 +08:00
|
|
|
Copyright (C) 2005-2022 Free Software Foundation, Inc.
|
2020-09-02 16:47:03 +08:00
|
|
|
|
2022-07-28 14:16:50 +08:00
|
|
|
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.
|
2020-09-02 16:47:03 +08:00
|
|
|
|
2022-07-28 14:16:50 +08:00
|
|
|
This file is distributed in the hope that it will be useful,
|
2020-09-02 16:47:03 +08:00
|
|
|
but WITHOUT ANY WARRANTY; without even the implied warranty of
|
|
|
|
|
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
|
2022-07-28 14:16:50 +08:00
|
|
|
GNU Lesser General Public License for more details.
|
2020-09-02 16:47:03 +08:00
|
|
|
|
2022-07-28 14:16:50 +08:00
|
|
|
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/>. */
|
2020-09-02 16:47:03 +08:00
|
|
|
|
|
|
|
|
/* 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 */
|
