thr.h revision 162497 
1/*-
2 * Copyright (c) 2003, Jeffrey Roberson <jeff@freebsd.org>
3 * All rights reserved.
4 *
5 * Redistribution and use in source and binary forms, with or without
6 * modification, are permitted provided that the following conditions
7 * are met:
8 * 1. Redistributions of source code must retain the above copyright
9 *    notice unmodified, this list of conditions, and the following
10 *    disclaimer.
11 * 2. Redistributions in binary form must reproduce the above copyright
12 *    notice, this list of conditions and the following disclaimer in the
13 *    documentation and/or other materials provided with the distribution.
14 *
15 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
16 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
17 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
18 * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
19 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
20 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
21 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
22 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
23 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
24 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
25 *
26 * $FreeBSD: head/sys/sys/thr.h 162497 2006-09-21 04:18:46Z davidxu $
27 *
28 */
29
30#ifndef _SYS_THR_H_
31#define	_SYS_THR_H_
32
33#include <posix4/sched.h>
34
35/* Create the thread in the suspended state. */
36#define	THR_SUSPENDED		0x0001
37/* Create the system scope thread. */
38#define	THR_SYSTEM_SCOPE	0x0002
39
40struct thr_param {
41    void	(*start_func)(void *);	/* thread entry function. */
42    void	*arg;			/* argument for entry function. */
43    char	*stack_base;		/* stack base address. */
44    size_t	stack_size;		/* stack size. */
45    char	*tls_base;		/* tls base address. */
46    size_t	tls_size;		/* tls size. */
47    long	*child_tid;		/* address to store new TID. */
48    long	*parent_tid;		/* parent accesses the new TID here. */
49    int		flags;			/* thread flags. */
50    struct rtprio	*rtp;		/* Real-time scheduling priority */
51    void	*spare[3];		/* TODO: cpu affinity mask etc. */
52};
53
54/*
55 * See pthread_*
56 */
57#ifndef _KERNEL
58
59int thr_create(ucontext_t *ctx, long *id, int flags);
60int thr_new(struct thr_param *param, int param_size);
61int thr_self(long *id);
62void thr_exit(long *state);
63int thr_kill(long id, int sig);
64int thr_suspend(const struct timespec *timeout);
65int thr_wake(long id);
66int thr_set_name(long id, const char *name);
67#endif /* !_KERNEL */
68
69#endif /* ! _SYS_THR_H_ */
70