xref: /freebsd/lib/libthr/arch/powerpc/include/pthread_md.h (revision c7904405a8d47f64c3b0e73158572e2dc8ef0217)
15e53a4f9SPedro F. Giffuni /*-
25e53a4f9SPedro F. Giffuni  * SPDX-License-Identifier: BSD-3-Clause
35e53a4f9SPedro F. Giffuni  *
4a091d823SDavid Xu  * Copyright 2004 by Peter Grehan. All rights reserved.
5a091d823SDavid Xu  *
6a091d823SDavid Xu  * Redistribution and use in source and binary forms, with or without
7a091d823SDavid Xu  * modification, are permitted provided that the following conditions
8a091d823SDavid Xu  * are met:
9a091d823SDavid Xu  * 1. Redistributions of source code must retain the above copyright
10a091d823SDavid Xu  *    notice, this list of conditions and the following disclaimer.
11a091d823SDavid Xu  * 2. Redistributions in binary form must reproduce the above copyright
12a091d823SDavid Xu  *    notice, this list of conditions and the following disclaimer in the
13a091d823SDavid Xu  *    documentation and/or other materials provided with the distribution.
14a091d823SDavid Xu  * 3. The name of the author may not be used to endorse or promote products
15a091d823SDavid Xu  *    derived from this software without specific prior written permission.
16a091d823SDavid Xu  *
17a091d823SDavid Xu  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
18a091d823SDavid Xu  * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
19a091d823SDavid Xu  * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
20a091d823SDavid Xu  * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
21a091d823SDavid Xu  * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
22a091d823SDavid Xu  * BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
23a091d823SDavid Xu  * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED
24a091d823SDavid Xu  * AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
25a091d823SDavid Xu  * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
26a091d823SDavid Xu  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
27a091d823SDavid Xu  * SUCH DAMAGE.
28a091d823SDavid Xu  *
29a091d823SDavid Xu  * $FreeBSD$
30a091d823SDavid Xu  */
31a091d823SDavid Xu 
32a091d823SDavid Xu /*
33a091d823SDavid Xu  * Machine-dependent thread prototypes/definitions.
34a091d823SDavid Xu  */
35a091d823SDavid Xu #ifndef _PTHREAD_MD_H_
36a091d823SDavid Xu #define	_PTHREAD_MD_H_
37a091d823SDavid Xu 
38a091d823SDavid Xu #include <sys/types.h>
3975395023SJohn Baldwin #include <machine/tls.h>
40a091d823SDavid Xu 
41d99f6dacSDavid Xu #define	CPU_SPINWAIT
42d99f6dacSDavid Xu 
43*c7904405SAndrew Turner /* For use in _Static_assert to check structs will fit in a page */
44*c7904405SAndrew Turner #define	THR_PAGE_SIZE_MIN	PAGE_SIZE
45*c7904405SAndrew Turner 
46a091d823SDavid Xu static __inline struct pthread *
47a091d823SDavid Xu _get_curthread(void)
48a091d823SDavid Xu {
49a091d823SDavid Xu 	if (_thr_initial)
508e61dbecSMarcel Moolenaar 		return (_tcb_get()->tcb_thread);
51a091d823SDavid Xu 	return (NULL);
52a091d823SDavid Xu }
53a091d823SDavid Xu 
54bdccf0bbSBrandon Bergren #define	HAS__UMTX_OP_ERR	1
55bdccf0bbSBrandon Bergren 
56a091d823SDavid Xu #endif /* _PTHREAD_MD_H_ */
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