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comparison freeDiameter/p_psm.c @ 13:ef9ef3bf4752

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Progress on peer state machine
author Sebastien Decugis <sdecugis@nict.go.jp>
date Wed, 30 Sep 2009 18:25:46 +0900
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children 14cf6daf716d
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12:418d2ce80dc8 13:ef9ef3bf4752
1 /*********************************************************************************************************
2 * Software License Agreement (BSD License) *
3 * Author: Sebastien Decugis <sdecugis@nict.go.jp> *
4 * *
5 * Copyright (c) 2009, WIDE Project and NICT *
6 * All rights reserved. *
7 * *
8 * Redistribution and use of this software in source and binary forms, with or without modification, are *
9 * permitted provided that the following conditions are met: *
10 * *
11 * * Redistributions of source code must retain the above *
12 * copyright notice, this list of conditions and the *
13 * following disclaimer. *
14 * *
15 * * Redistributions in binary form must reproduce the above *
16 * copyright notice, this list of conditions and the *
17 * following disclaimer in the documentation and/or other *
18 * materials provided with the distribution. *
19 * *
20 * * Neither the name of the WIDE Project or NICT nor the *
21 * names of its contributors may be used to endorse or *
22 * promote products derived from this software without *
23 * specific prior written permission of WIDE Project and *
24 * NICT. *
25 * *
26 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND ANY EXPRESS OR IMPLIED *
27 * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A *
28 * PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR *
29 * ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT *
30 * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS *
31 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR *
32 * TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF *
33 * ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. *
34 *********************************************************************************************************/
35
36 #include "fD.h"
37
38 static int started = 0;
39 static pthread_mutex_t started_mtx = PTHREAD_MUTEX_INITIALIZER;
40 static pthread_cond_t started_cnd = PTHREAD_COND_INITIALIZER;
41
42 /* Wait for start signal */
43 static int fd_psm_waitstart()
44 {
45 TRACE_ENTRY("");
46 CHECK_POSIX( pthread_mutex_lock(&started_mtx) );
47 awake:
48 if (! started) {
49 pthread_cleanup_push( fd_cleanup_mutex, &started_mtx );
50 CHECK_POSIX( pthread_cond_wait(&started_cnd, &started_mtx) );
51 pthread_cleanup_pop( 0 );
52 goto awake;
53 }
54 CHECK_POSIX( pthread_mutex_unlock(&started_mtx) );
55 return 0;
56 }
57
58 /* Allow the state machines to start */
59 int fd_psm_start()
60 {
61 TRACE_ENTRY("");
62 CHECK_POSIX( pthread_mutex_lock(&started_mtx) );
63 started = 1;
64 CHECK_POSIX( pthread_cond_broadcast(&started_cnd) );
65 CHECK_POSIX( pthread_mutex_unlock(&started_mtx) );
66 return 0;
67 }
68
69 /* Create the PSM thread of one peer structure */
70 int fd_psm_begin(struct fd_peer * peer )
71 {
72 TRACE_ENTRY("%p", peer);
73 TODO("");
74 return ENOTSUP;
75 }
76
77 /* End the PSM (clean ending) */
78 int fd_psm_terminate(struct fd_peer * peer )
79 {
80 TRACE_ENTRY("%p", peer);
81 TODO("");
82 return ENOTSUP;
83 }
84
85 /* End the PSM violently */
86 void fd_psm_abord(struct fd_peer * peer )
87 {
88 TRACE_ENTRY("%p", peer);
89 TODO("");
90 return;
91 }
92
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