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1 : /* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
2 : /*
3 : * This file is part of the LibreOffice project.
4 : *
5 : * This Source Code Form is subject to the terms of the Mozilla Public
6 : * License, v. 2.0. If a copy of the MPL was not distributed with this
7 : * file, You can obtain one at http://mozilla.org/MPL/2.0/.
8 : *
9 : * This file incorporates work covered by the following license notice:
10 : *
11 : * Licensed to the Apache Software Foundation (ASF) under one or more
12 : * contributor license agreements. See the NOTICE file distributed
13 : * with this work for additional information regarding copyright
14 : * ownership. The ASF licenses this file to you under the Apache
15 : * License, Version 2.0 (the "License"); you may not use this file
16 : * except in compliance with the License. You may obtain a copy of
17 : * the License at http://www.apache.org/licenses/LICENSE-2.0 .
18 : */
19 :
20 :
21 : #include <salhelper/condition.hxx>
22 : #include <osl/time.h>
23 :
24 :
25 : using namespace salhelper;
26 :
27 :
28 : /******************************************************************
29 : * *
30 : * Condition *
31 : * *
32 : ******************************************************************/
33 :
34 0 : Condition::Condition(osl::Mutex& aMutex)
35 : : m_aMutex(aMutex),
36 0 : m_aCondition(osl_createCondition())
37 : {
38 0 : }
39 :
40 :
41 0 : Condition::~Condition()
42 : {
43 0 : osl_destroyCondition(m_aCondition);
44 0 : }
45 :
46 :
47 : /******************************************************************
48 : * *
49 : * ConditionModifier *
50 : * *
51 : ******************************************************************/
52 :
53 0 : ConditionModifier::ConditionModifier(Condition& aCond)
54 0 : : m_aCond(aCond)
55 : {
56 0 : m_aCond.m_aMutex.acquire();
57 0 : }
58 :
59 :
60 0 : ConditionModifier::~ConditionModifier()
61 : {
62 0 : if(m_aCond.applies())
63 0 : osl_setCondition(m_aCond.m_aCondition);
64 :
65 0 : m_aCond.m_aMutex.release();
66 0 : }
67 :
68 :
69 :
70 : /******************************************************************
71 : * *
72 : * ConditionWaiter *
73 : * *
74 : ******************************************************************/
75 :
76 0 : ConditionWaiter::timedout::timedout() {}
77 :
78 0 : ConditionWaiter::timedout::timedout(timedout const &) {}
79 :
80 0 : ConditionWaiter::timedout::~timedout() {}
81 :
82 : ConditionWaiter::timedout &
83 0 : ConditionWaiter::timedout::operator =(timedout const &) { return *this; }
84 :
85 0 : ConditionWaiter::ConditionWaiter(Condition& aCond)
86 0 : : m_aCond(aCond)
87 : {
88 : while(true) {
89 0 : osl_waitCondition(m_aCond.m_aCondition,0);
90 0 : m_aCond.m_aMutex.acquire();
91 :
92 0 : if(m_aCond.applies())
93 0 : break;
94 : else {
95 0 : osl_resetCondition(m_aCond.m_aCondition);
96 0 : m_aCond.m_aMutex.release();
97 : }
98 : }
99 0 : }
100 :
101 :
102 0 : ConditionWaiter::ConditionWaiter(Condition& aCond,sal_uInt32 milliSec)
103 : throw(
104 : ConditionWaiter::timedout
105 : )
106 0 : : m_aCond(aCond)
107 : {
108 : TimeValue aTime;
109 0 : aTime.Seconds = milliSec / 1000;
110 0 : aTime.Nanosec = 1000000 * ( milliSec % 1000 );
111 :
112 : while(true) {
113 0 : if( osl_waitCondition(m_aCond.m_aCondition,&aTime) ==
114 : osl_cond_result_timeout )
115 0 : throw timedout();
116 :
117 0 : m_aCond.m_aMutex.acquire();
118 :
119 0 : if(m_aCond.applies())
120 0 : break;
121 : else {
122 0 : osl_resetCondition(m_aCond.m_aCondition);
123 0 : m_aCond.m_aMutex.release();
124 : }
125 0 : }
126 0 : }
127 :
128 :
129 0 : ConditionWaiter::~ConditionWaiter()
130 : {
131 0 : if(! m_aCond.applies())
132 0 : osl_resetCondition(m_aCond.m_aCondition);
133 0 : m_aCond.m_aMutex.release();
134 0 : }
135 :
136 : /* vim:set shiftwidth=4 softtabstop=4 expandtab: */
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