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 64 struct 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 72 struct 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 84 int linux_to_native_clockid(clockid_t *, clockid_t); 85 void native_to_linux_timespec(struct linux_timespec *, struct timespec *); 86 void linux_to_native_timespec(struct timespec *, struct linux_timespec *); 87 88 #endif /* _LINUX_SCHED_H */ 89