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/*
* Copyright (c) 2008-2021 Jonathan Schleifer <js@nil.im>
*
* All rights reserved.
*
* This file is part of ObjFW. It may be distributed under the terms of the
* Q Public License 1.0, which can be found in the file LICENSE.QPL included in
* the packaging of this file.
*
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/*
* Copyright (c) 2008-2022 Jonathan Schleifer <js@nil.im>
*
* All rights reserved.
*
* This file is part of ObjFW. It may be distributed under the terms of the
* Q Public License 1.0, which can be found in the file LICENSE.QPL included in
* the packaging of this file.
*
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typedef int OFOnceControl;
# define OFOnceControlInitValue 0
#endif
#ifdef __cplusplus
extern "C" {
#endif
extern void OFOnce(OFOnceControl *control, void (*func)(void));
#ifdef __cplusplus
}
#endif
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typedef int OFOnceControl;
# define OFOnceControlInitValue 0
#endif
#ifdef __cplusplus
extern "C" {
#endif
/**
* @brief Executes the specified function exactly once in the application's
* lifetime, even in a multi-threaded environment.
*
* @param control An OFOnceControl. This should be a static variable
* preinitialized to `OFOnceControlInitValue`.
* @param function The function to execute once
*/
extern void OFOnce(OFOnceControl *control, void (*function)(void));
#ifdef __cplusplus
}
#endif
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