1 /*-
2  * Copyright (C) 2003 David Xu <davidxu@freebsd.org>
3  * Copyright (c) 2001 Daniel Eischen <deischen@freebsd.org>
4  * All rights reserved.
5  *
6  * Redistribution and use in source and binary forms, with or without
7  * modification, are permitted provided that the following conditions
8  * are met:
9  * 1. Redistributions of source code must retain the above copyright
10  *    notice, this list of conditions and the following disclaimer.
11  * 2. Neither the name of the author nor the names of its contributors
12  *    may be used to endorse or promote products derived from this software
13  *    without specific prior written permission.
14  *
15  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
16  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
17  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
18  * ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
19  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
20  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
21  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
22  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
23  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
24  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
25  * SUCH DAMAGE.
26  *
27  * $FreeBSD: src/lib/libpthread/arch/amd64/include/pthread_md.h,v 1.10 2004/08/25 23:42:40 davidxu Exp $
28  */
29 
30 /*
31  * Machine-dependent thread prototypes/definitions for the thread kernel.
32  */
33 #ifndef _PTHREAD_MD_H_
34 #define	_PTHREAD_MD_H_
35 
36 #include <stddef.h>
37 #include <sys/types.h>
38 #include <machine/sysarch.h>
39 #include <machine/tls.h>
40 
41 struct __pthread_s;
42 
43 #define	CPU_SPINWAIT		__asm __volatile("pause");
44 
45 #define	atomic_cmpset_acq_int	atomic_cmpset_int
46 
47 /*
48  * The constructors.
49  */
50 struct tls_tcb	*_tcb_ctor(struct __pthread_s *, int);
51 void		_tcb_dtor(struct tls_tcb *tcb);
52 
53 #endif
54