48 lines
1.3 KiB
C
48 lines
1.3 KiB
C
|
/* 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 */
|