Hallo, dies ist ein Test.

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/*
 * Copyright (c) 2014, 2016, Oracle and/or its affiliates. All rights reserved.
 */

/*
 * This file declares all of the functions specified by the C11 standard,
 * INCITS/ISO/IEC 9899-2011, in section 7.26 "Threads <threads.h>".
 *
 * C11 threads are a simple mapping of the C11 interfaces
 * onto the richer pthreads interfaces.
 *
 * Structures defined herein are simply aliases for the structures
 * defined in <pthreads.h>, with the names changed to avoid namespace
 * pollution when compiling in strict C11 mode.
 */

#ifndef _THREADS_H
#define	_THREADS_H

#include <time.h>

#ifdef	__cplusplus
extern "C" {
#endif

typedef unsigned int thrd_t;
typedef unsigned int tss_t;
typedef void (*tss_dtor_t)(void *);
typedef int (*thrd_start_t)(void *);

typedef struct {
	unsigned long long int __mxt[3];
} mtx_t;

typedef struct {
	unsigned long long int __cnd[2];
} cnd_t;

typedef struct {
	unsigned long long int __once[4];
} once_flag;

#define	ONCE_FLAG_INIT	{ {0, 0, 0, 0} }

enum {
	mtx_plain = 0x0,
	mtx_timed = 0x1,
	mtx_recursive = 0x2
};

enum {
	thrd_success = 0,
	thrd_busy,
	thrd_nomem,
	thrd_timedout,
	thrd_error
};

#define	TSS_DTOR_ITERATIONS	(-1)	/* unlimited */

#if !defined(_STDC_C11)
#define	_Thread_local	__thread
#endif
#define	thread_local	_Thread_local

#if !defined(_STDC_C11)
#define	_Noreturn	__sun_attr__((__noreturn__))
#endif

extern	void	call_once(once_flag *, void (*)(void));
extern	int	cnd_broadcast(cnd_t *);
extern	void	cnd_destroy(cnd_t *);
extern	int	cnd_init(cnd_t *);
extern	int	cnd_signal(cnd_t *);
extern	int	cnd_timedwait(cnd_t *_RESTRICT_KYWD, mtx_t *_RESTRICT_KYWD,
			const struct timespec *_RESTRICT_KYWD);
extern	int	cnd_wait(cnd_t *, mtx_t *);
extern	void	mtx_destroy(mtx_t *);
extern	int	mtx_init(mtx_t *, int);
extern	int	mtx_lock(mtx_t *);
extern	int	mtx_timedlock(mtx_t *_RESTRICT_KYWD,
			const struct timespec *_RESTRICT_KYWD);
extern	int	mtx_trylock(mtx_t *);
extern	int	mtx_unlock(mtx_t *);
extern	int	thrd_create(thrd_t *, thrd_start_t, void *);
extern	thrd_t	thrd_current(void);
extern	int	thrd_detach(thrd_t);
extern	int	thrd_equal(thrd_t, thrd_t);
extern	_Noreturn void thrd_exit(int);
extern	int	thrd_join(thrd_t, int *);
extern	int	thrd_sleep(const struct timespec *, struct timespec *);
extern	void	thrd_yield(void);
extern	int	tss_create(tss_t *, tss_dtor_t);
extern	void	tss_delete(tss_t);
extern	void	*tss_get(tss_t);
extern	int	tss_set(tss_t, void *);

#ifdef	__cplusplus
}
#endif

#endif	/* _THREADS_H */