1/* $NetBSD: linux_sched.h,v 1.8 2011/11/18 04:07:44 christos Exp $ */
2
3/*-
4 * Copyright (c) 1999 The NetBSD Foundation, Inc.
5 * All rights reserved.
6 *
7 * This code is derived from software contributed to The NetBSD Foundation
8 * by Jason R. Thorpe of the Numerical Aerospace Simulation Facility,
9 * NASA Ames Research Center.
10 *
11 * Redistribution and use in source and binary forms, with or without
12 * modification, are permitted provided that the following conditions
13 * are met:
14 * 1. Redistributions of source code must retain the above copyright
15 * notice, this list of conditions and the following disclaimer.
16 * 2. Redistributions in binary form must reproduce the above copyright
17 * notice, this list of conditions and the following disclaimer in the
18 * documentation and/or other materials provided with the distribution.
19 *
20 * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
21 * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
22 * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
23 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
24 * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
25 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
26 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
27 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
28 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
29 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
30 * POSSIBILITY OF SUCH DAMAGE.
31 */
32
33#ifndef _LINUX_SCHED_H
34#define _LINUX_SCHED_H
35
36/*
37 * Flags passed to the Linux __clone(2) system call.
38 */
39#define LINUX_CLONE_CSIGNAL 0x000000ff /* signal to be sent at exit */
40#define LINUX_CLONE_VM 0x00000100 /* share address space */
41#define LINUX_CLONE_FS 0x00000200 /* share "file system" info */
42#define LINUX_CLONE_FILES 0x00000400 /* share file descriptors */
43#define LINUX_CLONE_SIGHAND 0x00000800 /* share signal actions */
44#define LINUX_CLONE_PID 0x00001000 /* share process ID */
45#define LINUX_CLONE_PTRACE 0x00002000 /* ptrace(2) continues on
46 child */
47#define LINUX_CLONE_VFORK 0x00004000 /* parent blocks until child
48 exits */
49#define LINUX_CLONE_PARENT 0x00008000 /* want same parent as cloner */
50#define LINUX_CLONE_THREAD 0x00010000 /* same thread group */
51#define LINUX_CLONE_NEWNS 0x00020000 /* new namespace group */
52#define LINUX_CLONE_SYSVSEM 0x00040000 /* share SysV SEM_UNDO */
53#define LINUX_CLONE_SETTLS 0x00080000 /* create new TLS for child */
54#define LINUX_CLONE_PARENT_SETTID \
55 0x00100000 /* set TID in the parent */
56#define LINUX_CLONE_CHILD_CLEARTID \
57 0x00200000 /* clear TID in the child */
58#define LINUX_CLONE_DETACHED 0x00400000 /* unused */
59#define LINUX_CLONE_UNTRACED 0x00800000 /* set if parent cannot force CLONE_PTRACE */
60#define LINUX_CLONE_CHILD_SETTID \
61 0x01000000 /* set TID in the child */
62#define LINUX_CLONE_STOPPED 0x02000000 /* start in stopped state */
63
64struct linux_sched_param {
65 int sched_priority;
66};
67
68#define LINUX_SCHED_OTHER 0
69#define LINUX_SCHED_FIFO 1
70#define LINUX_SCHED_RR 2
71
72struct linux_timespec {
73 linux_time_t tv_sec; /* seconds */
74 long tv_nsec; /* nanoseconds */
75};
76
77#define LINUX_CLOCK_REALTIME 0
78#define LINUX_CLOCK_MONOTONIC 1
79#define LINUX_CLOCK_PROCESS_CPUTIME_ID 2
80#define LINUX_CLOCK_THREAD_CPUTIME_ID 3
81#define LINUX_CLOCK_REALTIME_HR 4
82#define LINUX_CLOCK_MONOTONIC_HR 5
83
84int linux_to_native_clockid(clockid_t *, clockid_t);
85void native_to_linux_timespec(struct linux_timespec *, struct timespec *);
86void linux_to_native_timespec(struct timespec *, struct linux_timespec *);
87
88#endif /* _LINUX_SCHED_H */
89