xref: /illumos-gate/usr/src/cmd/cmd-inet/sbin/dhcpagent/async.h (revision 9b9d39d2a32ff806d2431dbcc50968ef1e6d46b2)
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 #include <sys/types.h>
30 #include <libinetutil.h>
31 #include <dhcpagent_ipc.h>
32 
33 #include "common.h"
34 
35 /*
36  * async.[ch] comprise the interface used to handle asynchronous DHCP
37  * commands.  see ipc_event() in agent.c for more documentation on
38  * the treatment of asynchronous DHCP commands.  see async.c for
39  * documentation on how to use the exported functions.
40  */
41 
42 #ifdef	__cplusplus
43 extern "C" {
44 #endif
45 
46 typedef struct async_action {
47 	dhcp_ipc_type_t	as_cmd;		/* command/action in progress */
48 	boolean_t	as_user;	/* user-generated async cmd */
49 	boolean_t	as_present;	/* async operation present */
50 } async_action_t;
51 
52 boolean_t	async_start(dhcp_smach_t *, dhcp_ipc_type_t, boolean_t);
53 void		async_finish(dhcp_smach_t *);
54 boolean_t	async_cancel(dhcp_smach_t *);
55 
56 #ifdef	__cplusplus
57 }
58 #endif
59 
60 #endif	/* ASYNC_H */
61