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linux_sched.h revision 1.8.64.2 
      1 /*	$NetBSD: linux_sched.h,v 1.8.64.2 2020/12/17 02:52:40 thorpej 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 struct linux_itimerspec {
     78 	struct linux_timespec it_interval;
     79 	struct linux_timespec it_value;
     80 };
     81 
     82 #define LINUX_CLOCK_REALTIME		0
     83 #define LINUX_CLOCK_MONOTONIC		1
     84 #define LINUX_CLOCK_PROCESS_CPUTIME_ID	2
     85 #define LINUX_CLOCK_THREAD_CPUTIME_ID	3
     86 #define LINUX_CLOCK_MONOTONIC_RAW	4
     87 #define LINUX_CLOCK_REALTIME_COARSE	5
     88 #define LINUX_CLOCK_MONOTONIC_COARSE	6
     89 #define LINUX_CLOCK_BOOTTIME		7
     90 #define LINUX_CLOCK_BOOTTIME_ALARM	8
     91 #define LINUX_CLOCK_REALTIME_ALARM	9
     92 
     93 #define	LINUX_TIMER_ABSTIME		0x01
     94 
     95 int	linux_to_native_clockid(clockid_t *, clockid_t);
     96 
     97 void	native_to_linux_timespec(struct linux_timespec *,
     98 	    const struct timespec *);
     99 void	linux_to_native_timespec(struct timespec *,
    100 	    const struct linux_timespec *);
    101 
    102 void	native_to_linux_itimerspec(struct linux_itimerspec *,
    103 	    const struct itimerspec *);
    104 void	linux_to_native_itimerspec(struct itimerspec *,
    105 	    const struct linux_itimerspec *);
    106 
    107 int	linux_to_native_timer_create_clockid(clockid_t *, clockid_t);
    108 
    109 int     linux_to_native_timerfd_settime_flags(int *, int);
    110 
    111 #endif /* _LINUX_SCHED_H */
    112