usr/src/cmd/cmd-inet/sbin/dhcpagent/async.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 (the "License").
   6  * You may not use this file except in compliance with the License.
   7  *
   8  * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
   9  * or http://www.opensolaris.org/os/licensing.
  10  * See the License for the specific language governing permissions
  11  * and limitations under the License.
  12  *
  13  * When distributing Covered Code, include this CDDL HEADER in each
  14  * file and include the License file at usr/src/OPENSOLARIS.LICENSE.
  15  * If applicable, add the following below this CDDL HEADER, with the
  16  * fields enclosed by brackets "[]" replaced with your own identifying
  17  * information: Portions Copyright [yyyy] [name of copyright owner]
  18  *
  19  * CDDL HEADER END
  20  */
  21 /*
  22  * Copyright 2007 Sun Microsystems, Inc.  All rights reserved.
  23  * Use is subject to license terms.
  24  */
  25
  26 #ifndef ASYNC_H
  27 #define ASYNC_H
  28
  29 #pragma ident   "%Z%%M% %I%     %E% SMI"
  30
  31 #include <sys/types.h>
  32 #include <libinetutil.h>
  33 #include <dhcpagent_ipc.h>
  34
  35 #include "common.h"
  36
  37 /*
  38  * async.[ch] comprise the interface used to handle asynchronous DHCP
  39  * commands.  see ipc_event() in agent.c for more documentation on
  40  * the treatment of asynchronous DHCP commands.  see async.c for
  41  * documentation on how to use the exported functions.
  42  */
  43
  44 #ifdef  __cplusplus
  45 extern "C" {
  46 #endif
  47
  48 typedef struct async_action {
  49         dhcp_ipc_type_t as_cmd;         /* command/action in progress */
  50         boolean_t       as_user;        /* user-generated async cmd */
  51         boolean_t       as_present;     /* async operation present */
  52 } async_action_t;
  53
  54 boolean_t       async_start(dhcp_smach_t *, dhcp_ipc_type_t, boolean_t);
  55 void            async_finish(dhcp_smach_t *);
  56 boolean_t       async_cancel(dhcp_smach_t *);
  57
  58 #ifdef  __cplusplus
  59 }
  60 #endif
  61
  62 #endif  /* ASYNC_H */