usr/src/cmd/priocntl/priocntl.h

   1 /*
   2  * CDDL HEADER START
   3  *
   4  * The contents of this file are subject to the terms of the
   5  * Common Development and Distribution License, Version 1.0 only
   6  * (the "License").  You may not use this file except in compliance
   7  * with the License.
   8  *
   9  * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
  10  * or http://www.opensolaris.org/os/licensing.
  11  * See the License for the specific language governing permissions
  12  * and limitations under the License.
  13  *
  14  * When distributing Covered Code, include this CDDL HEADER in each
  15  * file and include the License file at usr/src/OPENSOLARIS.LICENSE.
  16  * If applicable, add the following below this CDDL HEADER, with the
  17  * fields enclosed by brackets "[]" replaced with your own identifying
  18  * information: Portions Copyright [yyyy] [name of copyright owner]
  19  *
  20  * CDDL HEADER END
  21  */
  22 /*      Copyright (c) 1984, 1986, 1987, 1988, 1989 AT&T */
  23 /*        All Rights Reserved   */
  24
  25
  26 /*
  27  * Copyright 2001-2002 Sun Microsystems, Inc.  All rights reserved.
  28  * Use is subject to license terms.
  29  */
  30
  31
  32 #ifndef _PRIOCNTL_H
  33 #define _PRIOCNTL_H
  34
  35 #pragma ident   "%Z%%M% %I%     %E% SMI"        /* SVr4.0 1.3   */
  36
  37 #ifdef  __cplusplus
  38 extern "C" {
  39 #endif
  40
  41 #define NPIDS   1024    /* number of additional pids allocated by realloc(). */
  42 #define NIDS    1024    /* max number of id arguments we handle */
  43
  44 #define BASENMSZ        16
  45 #define CSOPTSLN        128     /* max length of class specific opts string */
  46 #define PC_IDTYPNMSZ    12      /* max length of an idtype name */
  47
  48 /*
  49  * The command string for the sub-command must be big enough for the
  50  * path, the class specific options, and plenty of space for arguments.
  51  */
  52 #define SUBCMDSZ        512
  53
  54 #define BADPID  (-2)
  55
  56 extern void     fatalerr();
  57 extern int      str2idtyp(char *, idtype_t *);
  58 extern int      idtyp2str(idtype_t, char *);
  59 extern int      idcompar(id_t *, id_t *);
  60 extern id_t     clname2cid(char *);
  61 extern int      getmyid(idtype_t, id_t *);
  62 extern int      getmyidstr(idtype_t, char *);
  63 extern int      verifyupri(idtype_t, id_t, char *, int, pri_t, char *);
  64 extern pid_t    *read_pidlist(size_t *, FILE *);
  65 extern void     free_pidlist(pid_t *);
  66 extern long     str2num(char *, long, long);
  67 extern void     itoa(long, char *);
  68
  69 /*
  70  * The following is an excerpt from <sys/hrtcntl.h>. HRT timers are not
  71  * supported by SunOS (which will support the POSIX definition). Priocntl
  72  * uses the hrt routine _hrtnewres because it coincidentally does the
  73  * right thing. These defines allow this routine to be locally included
  74  * in priocntl (rather than exported in libc). This should be improved in
  75  * the long term.
  76  */
  77
  78 #define HRT_TRUNC       0       /* Round results down.  */
  79 #define HRT_RND         1       /* Round results (rnd up if fractional  */
  80                                 /*   part >= .5 otherwise round down).  */
  81 #define HRT_RNDUP       2       /* Always round results up.     */
  82
  83 /*
  84  *      Structure used to represent a high-resolution time-of-day
  85  *      or interval.
  86  */
  87
  88 typedef struct hrtimer {
  89         ulong_t hrt_secs;       /* Seconds.                             */
  90         long    hrt_rem;        /* A value less than a second.          */
  91         ulong_t hrt_res;        /* The resolution of hrt_rem.           */
  92 } hrtimer_t;
  93
  94 extern int      _hrtnewres(hrtimer_t *, ulong_t, long);
  95
  96 #ifdef  __cplusplus
  97 }
  98 #endif
  99
 100 #endif  /* _PRIOCNTL_H */