1/*-
2 * SPDX-License-Identifier: BSD-2-Clause
3 *
4 * Copyright (c) 2003, Jeffrey Roberson <jeff@freebsd.org>
5 * All rights reserved.
6 *
7 * Redistribution and use in source and binary forms, with or without
8 * modification, are permitted provided that the following conditions
9 * are met:
10 * 1. Redistributions of source code must retain the above copyright
11 * notice unmodified, this list of conditions, and the following
12 * disclaimer.
13 * 2. Redistributions in binary form must reproduce the above copyright
14 * notice, this list of conditions and the following disclaimer in the
15 * documentation and/or other materials provided with the distribution.
16 *
17 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
18 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
19 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
20 * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
21 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
22 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
23 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
24 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
25 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
26 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
27 *
28 */
29
30#ifndef _SYS_THR_H_
31#define _SYS_THR_H_
32
33#include <sys/cdefs.h>
34#include <sys/_types.h>
35#include <sys/sched.h>
36
37#ifndef _SIZE_T_DECLARED
38typedef __size_t size_t;
39#define _SIZE_T_DECLARED
40#endif
41
42/* Create the thread in the suspended state. */
43#define THR_SUSPENDED 0x0001
44/* Create the system scope thread. */
45#define THR_SYSTEM_SCOPE 0x0002
46#define THR_C_RUNTIME 0x0004
47
48struct thr_param {
49 void (*start_func)(void *); /* thread entry function. */
50 void *arg; /* argument for entry function. */
51 char *stack_base; /* stack base address. */
52 size_t stack_size; /* stack size. */
53 char *tls_base; /* tls base address. */
54 size_t tls_size; /* tls size. */
55 long *child_tid; /* address to store new TID. */
56 long *parent_tid; /* parent accesses the new TID here. */
57 int flags; /* thread flags. */
58 struct rtprio *rtp; /* Real-time scheduling priority */
59 void *spare[3]; /* TODO: cpu affinity mask etc. */
60};
61
62/*
63 * See pthread_*
64 */
65#ifndef _KERNEL
66#include <sys/ucontext.h>
67
68#ifndef _PID_T_DECLARED
69typedef __pid_t pid_t;
70#define _PID_T_DECLARED
71#endif
72
73__BEGIN_DECLS
74int thr_create(ucontext_t *ctx, long *id, int flags);
75int thr_new(struct thr_param *param, int param_size);
76int thr_self(long *id);
77void thr_exit(long *state);
78int thr_kill(long id, int sig);
79int thr_kill2(pid_t pid, long id, int sig);
80int thr_suspend(const struct timespec *timeout);
81int thr_wake(long id);
82int thr_set_name(long id, const char *name);
83__END_DECLS
84#endif /* !_KERNEL */
85
86#endif /* ! _SYS_THR_H_ */