1 sched.h

     1 /*-

     2  * Copyright (c) 1996, 1997

     3  *	HD Associates, Inc.  All rights reserved.

     4  *

     5  * Redistribution and use in source and binary forms, with or without

     6  * modification, are permitted provided that the following conditions

     7  * are met:

     8  * 1. Redistributions of source code must retain the above copyright

     9  *    notice, this list of conditions and the following disclaimer.

    10  * 2. Redistributions in binary form must reproduce the above copyright

    11  *    notice, this list of conditions and the following disclaimer in the

    12  *    documentation and/or other materials provided with the distribution.

    13  * 4. Neither the name of the author nor the names of any co-contributors

    14  *    may be used to endorse or promote products derived from this software

    15  *    without specific prior written permission.

    16  *

    17  * THIS SOFTWARE IS PROVIDED BY HD ASSOCIATES AND CONTRIBUTORS ``AS IS'' AND

    18  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE

    19  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE

    20  * ARE DISCLAIMED.  IN NO EVENT SHALL HD ASSOCIATES OR CONTRIBUTORS BE LIABLE

    21  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL

    22  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS

    23  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)

    24  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT

    25  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY

    26  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF

    27  * SUCH DAMAGE.

    28 * © Portions copyright (c) 2007 Symbian Software Ltd. All rights reserved.

    29  * $FreeBSD: src/sys/posix4/sched.h,v 1.7 2002/10/03 06:27:50 mike Exp $

    30  */

    31 

    32 /* sched.h: POSIX 1003.1b Process Scheduling header */

    33 

    34 #ifndef _SCHED_H_

    35 #define _SCHED_H_

    36 

    37 #include <sys/cdefs.h>

    38 #ifdef __cplusplus

    39  extern "C" 

    40  { 

    41   #endif

    42 /*

    43  * Scheduling policies

    44  */

    45 #define	SCHED_RR	3

    46 

    47 struct sched_param {

    48 	int	sched_priority;

    49 };

    50 

    51 IMPORT_C int sched_yield( void );

    52 IMPORT_C int sched_get_priority_max(int policy);

    53 IMPORT_C int sched_get_priority_min(int policy);

    54 

    55 #ifdef __cplusplus

    56 }

    57 #endif	//__cplusplus

    58  

    59 

    60 #endif /* !_SCHED_H_ */