1/*
2 * Sun RPC is a product of Sun Microsystems, Inc. and is provided for
3 * unrestricted use provided that this legend is included on all tape
4 * media and as a part of the software program in whole or part. Users
5 * may copy or modify Sun RPC without charge, but are not authorized
6 * to license or distribute it to anyone else except as part of a product or
7 * program developed by the user.
8 *
9 * SUN RPC IS PROVIDED AS IS WITH NO WARRANTIES OF ANY KIND INCLUDING THE
10 * WARRANTIES OF DESIGN, MERCHANTIBILITY AND FITNESS FOR A PARTICULAR
11 * PURPOSE, OR ARISING FROM A COURSE OF DEALING, USAGE OR TRADE PRACTICE.
12 *
13 * Sun RPC is provided with no support and without any obligation on the
14 * part of Sun Microsystems, Inc. to assist in its use, correction,
15 * modification or enhancement.
16 *
17 * SUN MICROSYSTEMS, INC. SHALL HAVE NO LIABILITY WITH RESPECT TO THE
18 * INFRINGEMENT OF COPYRIGHTS, TRADE SECRETS OR ANY PATENTS BY SUN RPC
19 * OR ANY PART THEREOF.
20 *
21 * In no event will Sun Microsystems, Inc. be liable for any lost revenue
22 * or profits or other special, indirect and consequential damages, even if
23 * Sun has been advised of the possibility of such damages.
24 *
25 * Sun Microsystems, Inc.
26 * 2550 Garcia Avenue
27 * Mountain View, California 94043
28 */
29
30/*
31 * Kernel/lock manager protocol definition
32 * Copyright (C) 1986 Sun Microsystems, Inc.
33 *
34 * protocol used between the UNIX kernel (the "client") and the
35 * local lock manager. The local lock manager is a deamon running
36 * above the kernel.
37 */
38
39#ifndef RPC_HDR
40%#ifndef lint
41%/*static char sccsid[] = "from: @(#)klm_prot.x 1.7 87/07/08 Copyr 1987 Sun Micro";*/
42%/*static char sccsid[] = "from: @(#)klm_prot.x 2.1 88/08/01 4.0 RPCSRC";*/
| 1/*
2 * Sun RPC is a product of Sun Microsystems, Inc. and is provided for
3 * unrestricted use provided that this legend is included on all tape
4 * media and as a part of the software program in whole or part. Users
5 * may copy or modify Sun RPC without charge, but are not authorized
6 * to license or distribute it to anyone else except as part of a product or
7 * program developed by the user.
8 *
9 * SUN RPC IS PROVIDED AS IS WITH NO WARRANTIES OF ANY KIND INCLUDING THE
10 * WARRANTIES OF DESIGN, MERCHANTIBILITY AND FITNESS FOR A PARTICULAR
11 * PURPOSE, OR ARISING FROM A COURSE OF DEALING, USAGE OR TRADE PRACTICE.
12 *
13 * Sun RPC is provided with no support and without any obligation on the
14 * part of Sun Microsystems, Inc. to assist in its use, correction,
15 * modification or enhancement.
16 *
17 * SUN MICROSYSTEMS, INC. SHALL HAVE NO LIABILITY WITH RESPECT TO THE
18 * INFRINGEMENT OF COPYRIGHTS, TRADE SECRETS OR ANY PATENTS BY SUN RPC
19 * OR ANY PART THEREOF.
20 *
21 * In no event will Sun Microsystems, Inc. be liable for any lost revenue
22 * or profits or other special, indirect and consequential damages, even if
23 * Sun has been advised of the possibility of such damages.
24 *
25 * Sun Microsystems, Inc.
26 * 2550 Garcia Avenue
27 * Mountain View, California 94043
28 */
29
30/*
31 * Kernel/lock manager protocol definition
32 * Copyright (C) 1986 Sun Microsystems, Inc.
33 *
34 * protocol used between the UNIX kernel (the "client") and the
35 * local lock manager. The local lock manager is a deamon running
36 * above the kernel.
37 */
38
39#ifndef RPC_HDR
40%#ifndef lint
41%/*static char sccsid[] = "from: @(#)klm_prot.x 1.7 87/07/08 Copyr 1987 Sun Micro";*/
42%/*static char sccsid[] = "from: @(#)klm_prot.x 2.1 88/08/01 4.0 RPCSRC";*/
|
44%#endif /* not lint */
45#endif
46
47const LM_MAXSTRLEN = 1024;
48
49/*
50 * lock manager status returns
51 */
52enum klm_stats {
53 klm_granted = 0, /* lock is granted */
54 klm_denied = 1, /* lock is denied */
55 klm_denied_nolocks = 2, /* no lock entry available */
56 klm_working = 3 /* lock is being processed */
57};
58
59/*
60 * lock manager lock identifier
61 */
62struct klm_lock {
63 string server_name<LM_MAXSTRLEN>;
64 netobj fh; /* a counted file handle */
65 int pid; /* holder of the lock */
66 unsigned l_offset; /* beginning offset of the lock */
67 unsigned l_len; /* byte length of the lock;
68 * zero means through end of file */
69};
70
71/*
72 * lock holder identifier
73 */
74struct klm_holder {
75 bool exclusive; /* FALSE if shared lock */
76 int svid; /* holder of the lock (pid) */
77 unsigned l_offset; /* beginning offset of the lock */
78 unsigned l_len; /* byte length of the lock;
79 * zero means through end of file */
80};
81
82/*
83 * reply to KLM_LOCK / KLM_UNLOCK / KLM_CANCEL
84 */
85struct klm_stat {
86 klm_stats stat;
87};
88
89/*
90 * reply to a KLM_TEST call
91 */
92union klm_testrply switch (klm_stats stat) {
93 case klm_denied:
94 struct klm_holder holder;
95 default: /* All other cases return no arguments */
96 void;
97};
98
99
100/*
101 * arguments to KLM_LOCK
102 */
103struct klm_lockargs {
104 bool block;
105 bool exclusive;
106 struct klm_lock alock;
107};
108
109/*
110 * arguments to KLM_TEST
111 */
112struct klm_testargs {
113 bool exclusive;
114 struct klm_lock alock;
115};
116
117/*
118 * arguments to KLM_UNLOCK
119 */
120struct klm_unlockargs {
121 struct klm_lock alock;
122};
123
124program KLM_PROG {
125 version KLM_VERS {
126
127 klm_testrply KLM_TEST (struct klm_testargs) = 1;
128
129 klm_stat KLM_LOCK (struct klm_lockargs) = 2;
130
131 klm_stat KLM_CANCEL (struct klm_lockargs) = 3;
132 /* klm_granted=> the cancel request fails due to lock is already granted */
133 /* klm_denied=> the cancel request successfully aborts
134lock request */
135
136 klm_stat KLM_UNLOCK (struct klm_unlockargs) = 4;
137 } = 1;
138} = 100020;
| 44%#endif /* not lint */
45#endif
46
47const LM_MAXSTRLEN = 1024;
48
49/*
50 * lock manager status returns
51 */
52enum klm_stats {
53 klm_granted = 0, /* lock is granted */
54 klm_denied = 1, /* lock is denied */
55 klm_denied_nolocks = 2, /* no lock entry available */
56 klm_working = 3 /* lock is being processed */
57};
58
59/*
60 * lock manager lock identifier
61 */
62struct klm_lock {
63 string server_name<LM_MAXSTRLEN>;
64 netobj fh; /* a counted file handle */
65 int pid; /* holder of the lock */
66 unsigned l_offset; /* beginning offset of the lock */
67 unsigned l_len; /* byte length of the lock;
68 * zero means through end of file */
69};
70
71/*
72 * lock holder identifier
73 */
74struct klm_holder {
75 bool exclusive; /* FALSE if shared lock */
76 int svid; /* holder of the lock (pid) */
77 unsigned l_offset; /* beginning offset of the lock */
78 unsigned l_len; /* byte length of the lock;
79 * zero means through end of file */
80};
81
82/*
83 * reply to KLM_LOCK / KLM_UNLOCK / KLM_CANCEL
84 */
85struct klm_stat {
86 klm_stats stat;
87};
88
89/*
90 * reply to a KLM_TEST call
91 */
92union klm_testrply switch (klm_stats stat) {
93 case klm_denied:
94 struct klm_holder holder;
95 default: /* All other cases return no arguments */
96 void;
97};
98
99
100/*
101 * arguments to KLM_LOCK
102 */
103struct klm_lockargs {
104 bool block;
105 bool exclusive;
106 struct klm_lock alock;
107};
108
109/*
110 * arguments to KLM_TEST
111 */
112struct klm_testargs {
113 bool exclusive;
114 struct klm_lock alock;
115};
116
117/*
118 * arguments to KLM_UNLOCK
119 */
120struct klm_unlockargs {
121 struct klm_lock alock;
122};
123
124program KLM_PROG {
125 version KLM_VERS {
126
127 klm_testrply KLM_TEST (struct klm_testargs) = 1;
128
129 klm_stat KLM_LOCK (struct klm_lockargs) = 2;
130
131 klm_stat KLM_CANCEL (struct klm_lockargs) = 3;
132 /* klm_granted=> the cancel request fails due to lock is already granted */
133 /* klm_denied=> the cancel request successfully aborts
134lock request */
135
136 klm_stat KLM_UNLOCK (struct klm_unlockargs) = 4;
137 } = 1;
138} = 100020;
|