usr/src/cmd/fm/fmd/common/fmd_ctl.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 2004 Sun Microsystems, Inc.  All rights reserved.
  24  * Use is subject to license terms.
  25  */
  26
  27 #ifndef _FMD_CTL_H
  28 #define _FMD_CTL_H
  29
  30 #pragma ident   "%Z%%M% %I%     %E% SMI"
  31
  32 #include <sys/types.h>
  33 #include <libnvpair.h>
  34
  35 #ifdef  __cplusplus
  36 extern "C" {
  37 #endif
  38
  39 typedef void fmd_ctl_f(nvlist_t *);
  40
  41 typedef struct fmd_ctl_desc {
  42         const char *cde_class;          /* protocol event class */
  43         uint_t cde_vers;                /* protocol event version */
  44         fmd_ctl_f *cde_func;            /* callback function */
  45 } fmd_ctl_desc_t;
  46
  47 typedef struct fmd_ctl {
  48         pthread_mutex_t ctl_lock;       /* lock for ctl_exec and ctl_cv */
  49         pthread_cond_t ctl_cv;          /* condition variable for ctl_exec */
  50         fmd_ctl_f *ctl_func;            /* type-specific callback function */
  51         nvlist_t *ctl_nvl;              /* name-value pair list from event */
  52         uint_t ctl_refs;                /* reference count for barrier */
  53 } fmd_ctl_t;
  54
  55 extern fmd_ctl_t *fmd_ctl_init(nvlist_t *);
  56 extern void fmd_ctl_fini(fmd_ctl_t *);
  57 extern void fmd_ctl_hold(fmd_ctl_t *);
  58 extern void fmd_ctl_rele(fmd_ctl_t *);
  59
  60 #ifdef  __cplusplus
  61 }
  62 #endif
  63
  64 #endif  /* _FMD_CTL_H */