usr/src/lib/libkstat/kstat.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 /*
  23  * Copyright (c) 1992 by Sun Microsystems, Inc.
  24  */
  25
  26 #ifndef _KSTAT_H
  27 #define _KSTAT_H
  28
  29 #pragma ident   "%Z%%M% %I%     %E% SMI"
  30
  31 #include <sys/types.h>
  32 #include <sys/kstat.h>
  33
  34 #ifdef  __cplusplus
  35 extern "C" {
  36 #endif
  37
  38 /*
  39  * kstat_open() returns a pointer to a kstat_ctl_t.
  40  * This is used for subsequent libkstat operations.
  41  */
  42 typedef struct kstat_ctl {
  43         kid_t   kc_chain_id;    /* current kstat chain ID       */
  44         kstat_t *kc_chain;      /* pointer to kstat chain       */
  45         int     kc_kd;          /* /dev/kstat descriptor        */
  46 } kstat_ctl_t;
  47
  48 #ifdef  __STDC__
  49 extern  kstat_ctl_t     *kstat_open(void);
  50 extern  int             kstat_close(kstat_ctl_t *);
  51 extern  kid_t           kstat_read(kstat_ctl_t *, kstat_t *, void *);
  52 extern  kid_t           kstat_write(kstat_ctl_t *, kstat_t *, void *);
  53 extern  kid_t           kstat_chain_update(kstat_ctl_t *);
  54 extern  kstat_t         *kstat_lookup(kstat_ctl_t *, char *, int, char *);
  55 extern  void            *kstat_data_lookup(kstat_t *, char *);
  56 #else
  57 extern  kstat_ctl_t     *kstat_open();
  58 extern  int             kstat_close();
  59 extern  kid_t           kstat_read();
  60 extern  kid_t           kstat_write();
  61 extern  kid_t           kstat_chain_update();
  62 extern  kstat_t         *kstat_lookup();
  63 extern  void            *kstat_data_lookup();
  64 #endif
  65
  66 #ifdef  __cplusplus
  67 }
  68 #endif
  69
  70 #endif  /* _KSTAT_H */