xref: /illumos-gate/usr/src/cmd/isns/isnsd/isns_msgq.h (revision fcf3ce44)
1*fcf3ce44SJohn Forte /*
2*fcf3ce44SJohn Forte  * CDDL HEADER START
3*fcf3ce44SJohn Forte  *
4*fcf3ce44SJohn Forte  * The contents of this file are subject to the terms of the
5*fcf3ce44SJohn Forte  * Common Development and Distribution License (the "License").
6*fcf3ce44SJohn Forte  * You may not use this file except in compliance with the License.
7*fcf3ce44SJohn Forte  *
8*fcf3ce44SJohn Forte  * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
9*fcf3ce44SJohn Forte  * or http://www.opensolaris.org/os/licensing.
10*fcf3ce44SJohn Forte  * See the License for the specific language governing permissions
11*fcf3ce44SJohn Forte  * and limitations under the License.
12*fcf3ce44SJohn Forte  *
13*fcf3ce44SJohn Forte  * When distributing Covered Code, include this CDDL HEADER in each
14*fcf3ce44SJohn Forte  * file and include the License file at usr/src/OPENSOLARIS.LICENSE.
15*fcf3ce44SJohn Forte  * If applicable, add the following below this CDDL HEADER, with the
16*fcf3ce44SJohn Forte  * fields enclosed by brackets "[]" replaced with your own identifying
17*fcf3ce44SJohn Forte  * information: Portions Copyright [yyyy] [name of copyright owner]
18*fcf3ce44SJohn Forte  *
19*fcf3ce44SJohn Forte  * CDDL HEADER END
20*fcf3ce44SJohn Forte  */
21*fcf3ce44SJohn Forte 
22*fcf3ce44SJohn Forte /*
23*fcf3ce44SJohn Forte  * Copyright 2008 Sun Microsystems, Inc.  All rights reserved.
24*fcf3ce44SJohn Forte  * Use is subject to license terms.
25*fcf3ce44SJohn Forte  */
26*fcf3ce44SJohn Forte 
27*fcf3ce44SJohn Forte #ifndef _ISNS_MSGQ_H
28*fcf3ce44SJohn Forte #define	_ISNS_MSGQ_H
29*fcf3ce44SJohn Forte 
30*fcf3ce44SJohn Forte #include <pthread.h>
31*fcf3ce44SJohn Forte #include <synch.h>
32*fcf3ce44SJohn Forte 
33*fcf3ce44SJohn Forte #ifdef __cplusplus
34*fcf3ce44SJohn Forte extern "C" {
35*fcf3ce44SJohn Forte #endif
36*fcf3ce44SJohn Forte 
37*fcf3ce44SJohn Forte #define	TEST_CLI_STOPPED	(0x0001)
38*fcf3ce44SJohn Forte #define	DD_SERVICE_STOPPED	(0x0002)
39*fcf3ce44SJohn Forte #define	SCN_STOPPED		(0x0004)
40*fcf3ce44SJohn Forte #define	ESI_STOPPED		(0x0008)
41*fcf3ce44SJohn Forte 
42*fcf3ce44SJohn Forte typedef enum msg_id {
43*fcf3ce44SJohn Forte 	DATA_ADD = 1,
44*fcf3ce44SJohn Forte 	DATA_UPDATE,
45*fcf3ce44SJohn Forte 	DATA_DELETE,
46*fcf3ce44SJohn Forte 	DATA_DELETE_ASSOC,
47*fcf3ce44SJohn Forte 	DATA_COMMIT,
48*fcf3ce44SJohn Forte 	DATA_RETREAT,
49*fcf3ce44SJohn Forte 	REG_EXP,
50*fcf3ce44SJohn Forte 	DEAD_PORTAL,
51*fcf3ce44SJohn Forte 	SYS_QUIT_OK,
52*fcf3ce44SJohn Forte 	SCN_ADD = 100,
53*fcf3ce44SJohn Forte 	SCN_REMOVE,
54*fcf3ce44SJohn Forte 	SCN_REMOVE_P,
55*fcf3ce44SJohn Forte 	SCN_SET,
56*fcf3ce44SJohn Forte 	SCN_TRIGGER,
57*fcf3ce44SJohn Forte 	SCN_IGNORE,
58*fcf3ce44SJohn Forte 	SCN_STOP,
59*fcf3ce44SJohn Forte 	SERVER_EXIT,
60*fcf3ce44SJohn Forte 	CONFIG_RELOAD
61*fcf3ce44SJohn Forte } msg_id_t;
62*fcf3ce44SJohn Forte 
63*fcf3ce44SJohn Forte typedef struct msg_text {
64*fcf3ce44SJohn Forte 	struct msg_text	*prev;
65*fcf3ce44SJohn Forte 	struct msg_text	*next;
66*fcf3ce44SJohn Forte 	msg_id_t	 id;
67*fcf3ce44SJohn Forte 	void		*data;
68*fcf3ce44SJohn Forte } msg_text_t;
69*fcf3ce44SJohn Forte 
70*fcf3ce44SJohn Forte typedef struct msg_queue {
71*fcf3ce44SJohn Forte 	msg_text_t	*q_head;
72*fcf3ce44SJohn Forte 	msg_text_t	*q_tail;
73*fcf3ce44SJohn Forte 	pthread_mutex_t	 q_mutex;
74*fcf3ce44SJohn Forte 	sema_t		 q_sema;
75*fcf3ce44SJohn Forte } msg_queue_t;
76*fcf3ce44SJohn Forte 
77*fcf3ce44SJohn Forte /* function prototypes */
78*fcf3ce44SJohn Forte msg_queue_t *queue_calloc();
79*fcf3ce44SJohn Forte int queue_msg_set(msg_queue_t *, msg_id_t, void *);
80*fcf3ce44SJohn Forte msg_text_t *queue_msg_get(msg_queue_t *);
81*fcf3ce44SJohn Forte void queue_msg_free(msg_text_t *);
82*fcf3ce44SJohn Forte 
83*fcf3ce44SJohn Forte #ifdef __cplusplus
84*fcf3ce44SJohn Forte }
85*fcf3ce44SJohn Forte #endif
86*fcf3ce44SJohn Forte 
87*fcf3ce44SJohn Forte #endif /* _ISNS_MSGQ_H */
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