From e0023883c6d2e6745a19e4b48e186ed156c1fca8 Mon Sep 17 00:00:00 2001 From: Daniel Baumann Date: Sun, 7 Apr 2024 17:19:27 +0200 Subject: Adding upstream version 2.11.2. Signed-off-by: Daniel Baumann --- gl/lib/windows-once.h | 47 +++++++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 47 insertions(+) create mode 100644 gl/lib/windows-once.h (limited to 'gl/lib/windows-once.h') diff --git a/gl/lib/windows-once.h b/gl/lib/windows-once.h new file mode 100644 index 0000000..85534c9 --- /dev/null +++ b/gl/lib/windows-once.h @@ -0,0 +1,47 @@ +/* Once-only control (native Windows implementation). + Copyright (C) 2005-2022 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 . */ + +/* Written by Bruno Haible , 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 + +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 */ -- cgit v1.2.3