xref: /freebsd/lib/libthr/arch/aarch64/include/pthread_md.h (revision 681ce946f33e75c590e97c53076e86dff1fe8f4a)
1 /*-
2  * Copyright (c) 2005 David Xu <davidxu@freebsd.org>.
3  * Copyright (c) 2014 the FreeBSD Foundation
4  * All rights reserved.
5  *
6  * Portions of this software were developed by Andrew Turner
7  * under sponsorship from the FreeBSD Foundation
8  *
9  * Redistribution and use in source and binary forms, with or without
10  * modification, are permitted provided that the following conditions
11  * are met:
12  *
13  * 1. Redistributions of source code must retain the above copyright
14  *    notice, this list of conditions and the following disclaimer.
15  * 2. Redistributions in binary form must reproduce the above copyright
16  *    notice, this list of conditions and the following disclaimer in the
17  *    documentation and/or other materials provided with the distribution.
18  *
19  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
20  * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
21  * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
22  * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
23  * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
24  * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
25  * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
26  * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
27  * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
28  * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
29  *
30  * $FreeBSD$
31  */
32 
33 /*
34  * Machine-dependent thread prototypes/definitions.
35  */
36 #ifndef _PTHREAD_MD_H_
37 #define	_PTHREAD_MD_H_
38 
39 #include <sys/types.h>
40 #include <machine/tls.h>
41 
42 #define	CPU_SPINWAIT
43 
44 static __inline struct pthread *
45 _get_curthread(void)
46 {
47 
48 	return (_tcb_get()->tcb_thread);
49 }
50 
51 #endif /* _PTHREAD_MD_H_ */
52