sys/sys/pset.h

   1 /*      $NetBSD: pset.h,v 1.2 2008/01/26 17:55:29 rmind Exp $   */
   2
   3 /*
   4  * Copyright (c) 2008, Mindaugas Rasiukevicius <rmind at NetBSD 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, this list of conditions and the following disclaimer.
  12  * 2. Redistributions in binary form must reproduce the above copyright
  13  *    notice, this list of conditions and the following disclaimer in the
  14  *    documentation and/or other materials provided with the distribution.
  15  *
  16  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
  17  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
  18  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
  19  * ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
  20  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
  21  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
  22  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
  23  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
  24  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
  25  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
  26  * SUCH DAMAGE.
  27  */
  28
  29 #ifndef _SYS_PSET_H_
  30 #define _SYS_PSET_H_
  31
  32 #include <sys/cdefs.h>
  33 #include <sys/types.h>
  34
  35 /* Types of processor-sets */
  36 #define PS_NONE                 0
  37 #define PS_MYID                 -1
  38 #define PS_QUERY                -2
  39
  40 /* ID types for processor-set calls */
  41 #define P_MYID                  -1
  42 #define P_PID                   1
  43 #define P_LWPID                 2
  44
  45 /* For compatibility only */
  46 typedef cpuid_t         processorid_t;
  47
  48 __BEGIN_DECLS
  49 int     pset_assign(psetid_t, cpuid_t, psetid_t *);
  50 int     pset_bind(psetid_t, idtype_t, id_t, psetid_t *);
  51 int     pset_create(psetid_t *);
  52 int     pset_destroy(psetid_t);
  53 __END_DECLS
  54
  55 #ifdef _NETBSD_SOURCE
  56 int     _pset_bind(idtype_t, id_t, id_t, psetid_t, psetid_t *);
  57 #endif  /* _NETBSD_SOURCE */
  58
  59 #ifdef _KERNEL
  60
  61 /* Processor-set structure */
  62 typedef struct {
  63         int             ps_flags;
  64 } pset_info_t;
  65
  66 /* Flags */
  67 #define PSET_BUSY       0x01
  68
  69 void    psets_init(void);
  70
  71 #endif  /* _KERNEL */
  72
  73 #endif  /* _SYS_PSET_H_ */