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