FreeBSD/Linux Kernel Cross Reference
sys/sys/thr.h
1 /*-
2 * SPDX-License-Identifier: BSD-2-Clause-FreeBSD
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 * $FreeBSD: releng/12.0/sys/sys/thr.h 326256 2017-11-27 15:01:59Z pfg $
29 *
30 */
31
32 #ifndef _SYS_THR_H_
33 #define _SYS_THR_H_
34
35 #include <sys/cdefs.h>
36 #include <sys/_types.h>
37 #include <sys/sched.h>
38
39 #ifndef _SIZE_T_DECLARED
40 typedef __size_t size_t;
41 #define _SIZE_T_DECLARED
42 #endif
43
44 /* Create the thread in the suspended state. */
45 #define THR_SUSPENDED 0x0001
46 /* Create the system scope thread. */
47 #define THR_SYSTEM_SCOPE 0x0002
48
49 struct thr_param {
50 void (*start_func)(void *); /* thread entry function. */
51 void *arg; /* argument for entry function. */
52 char *stack_base; /* stack base address. */
53 size_t stack_size; /* stack size. */
54 char *tls_base; /* tls base address. */
55 size_t tls_size; /* tls size. */
56 long *child_tid; /* address to store new TID. */
57 long *parent_tid; /* parent accesses the new TID here. */
58 int flags; /* thread flags. */
59 struct rtprio *rtp; /* Real-time scheduling priority */
60 void *spare[3]; /* TODO: cpu affinity mask etc. */
61 };
62
63 /*
64 * See pthread_*
65 */
66 #ifndef _KERNEL
67 #include <sys/ucontext.h>
68
69 #ifndef _PID_T_DECLARED
70 typedef __pid_t pid_t;
71 #define _PID_T_DECLARED
72 #endif
73
74 __BEGIN_DECLS
75 int thr_create(ucontext_t *ctx, long *id, int flags);
76 int thr_new(struct thr_param *param, int param_size);
77 int thr_self(long *id);
78 void thr_exit(long *state);
79 int thr_kill(long id, int sig);
80 int thr_kill2(pid_t pid, long id, int sig);
81 int thr_suspend(const struct timespec *timeout);
82 int thr_wake(long id);
83 int thr_set_name(long id, const char *name);
84 __END_DECLS
85 #endif /* !_KERNEL */
86
87 #endif /* ! _SYS_THR_H_ */
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