1 karl 1.13 //%2006////////////////////////////////////////////////////////////////////////
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2 mike 1.2 //
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3 karl 1.8 // Copyright (c) 2000, 2001, 2002 BMC Software; Hewlett-Packard Development
4 // Company, L.P.; IBM Corp.; The Open Group; Tivoli Systems.
5 // Copyright (c) 2003 BMC Software; Hewlett-Packard Development Company, L.P.;
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6 karl 1.6 // IBM Corp.; EMC Corporation, The Open Group.
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7 karl 1.8 // Copyright (c) 2004 BMC Software; Hewlett-Packard Development Company, L.P.;
8 // IBM Corp.; EMC Corporation; VERITAS Software Corporation; The Open Group.
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9 karl 1.9 // Copyright (c) 2005 Hewlett-Packard Development Company, L.P.; IBM Corp.;
10 // EMC Corporation; VERITAS Software Corporation; The Open Group.
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11 karl 1.13 // Copyright (c) 2006 Hewlett-Packard Development Company, L.P.; IBM Corp.;
12 // EMC Corporation; Symantec Corporation; The Open Group.
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13 mike 1.2 //
14 // Permission is hereby granted, free of charge, to any person obtaining a copy
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15 kumpf 1.4 // of this software and associated documentation files (the "Software"), to
16 // deal in the Software without restriction, including without limitation the
17 // rights to use, copy, modify, merge, publish, distribute, sublicense, and/or
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18 mike 1.2 // sell copies of the Software, and to permit persons to whom the Software is
19 // furnished to do so, subject to the following conditions:
20 //
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21 kumpf 1.4 // THE ABOVE COPYRIGHT NOTICE AND THIS PERMISSION NOTICE SHALL BE INCLUDED IN
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22 mike 1.2 // ALL COPIES OR SUBSTANTIAL PORTIONS OF THE SOFTWARE. THE SOFTWARE IS PROVIDED
23 // "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING BUT NOT
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24 kumpf 1.4 // LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR
25 // PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT
26 // HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN
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27 mike 1.2 // ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
28 // WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
29 //
30 //==============================================================================
31 //
32 // Author: Mike Day (mdday@us.ibm.com)
33 //
34 // Modified By:
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35 a.arora 1.7 // Amit K Arora, IBM (amita@in.ibm.com) for PEP#101
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36 aruran.ms 1.11 // Aruran, IBM (ashanmug@in.ibm.com) for BUG# 3518
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37 mike 1.2 //
38 //%/////////////////////////////////////////////////////////////////////////////
39
40
41
42
43 PEGASUS_NAMESPACE_BEGIN
44
45 Mutex::Mutex()
46 {
47 _mutex.mut = CreateMutex(NULL, false, NULL);
48 _mutex.owner = (PEGASUS_THREAD_TYPE)0;
49 }
50
51 Mutex::Mutex(int mutex_type)
52 {
53 _mutex.mut = CreateMutex(NULL, false, NULL);
54 _mutex.owner = (PEGASUS_THREAD_TYPE)0;
55 }
56
57 Mutex::Mutex(const Mutex & mutex)
58 mike 1.2 {
59 DuplicateHandle(GetCurrentProcess(), mutex._mutex.mut,
60 GetCurrentProcess(), &(_mutex.mut),
61 0, TRUE,
62 DUPLICATE_SAME_ACCESS | MUTEX_ALL_ACCESS | SYNCHRONIZE);
63
64
65 _mutex.owner = (PEGASUS_THREAD_TYPE)0;
66 }
67
68
69 Mutex::~Mutex()
70 {
71 WaitForSingleObject(_mutex.mut, INFINITE);
72 CloseHandle(_mutex.mut);
73 }
74
75
76
77 static const int SEM_VALUE_MAX = 0x0000ffff;
78 Semaphore::Semaphore(Uint32 initial)
79 mike 1.2 {
80 if(initial > SEM_VALUE_MAX)
81 initial = SEM_VALUE_MAX - 1;
82 _count = initial;
83 _semaphore.owner = (PEGASUS_THREAD_TYPE)GetCurrentThreadId();
84 _semaphore.sem = CreateSemaphore(NULL, initial, SEM_VALUE_MAX, NULL);
85 }
86
87 Semaphore::~Semaphore()
88 {
89 CloseHandle(_semaphore.sem);
90 }
91
92 //-----------------------------------------------------------------
93 // Native implementation of Conditional semaphore object
94 //-----------------------------------------------------------------
95
96 #ifdef PEGASUS_CONDITIONAL_NATIVE
97
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98 mday 1.3 Condition::Condition(void) : _disallow(0)
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99 mike 1.2 {
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100 a.arora 1.7 _cond_mutex.reset(new Mutex());
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101 mike 1.2 _destroy_mut = true;
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102 tony 1.5
103 // Change from PulseEvent to SetEvent, this is part of
104 // fix to avoid deadlock in CIMClient Constructor.
105
106 // Change 2nd parm to FALSE (create an auto-reset event)
107
108 _condition = CreateEvent( NULL, FALSE, FALSE, NULL);
109
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110 mday 1.3
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111 mike 1.2 }
112
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113 aruran.ms 1.11 Condition::Condition(Mutex& mutex) : _disallow(0), _condition()
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114 mike 1.2 {
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115 aruran.ms 1.11 _cond_mutex.reset(&mutex);
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116 mike 1.2 _destroy_mut = false;
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117 tony 1.5
118 // Change from PulseEvent to SetEvent, this is part of
119 // fix to avoid deadlock in CIMClient Constructor.
120
121 // Change 2nd parm to FALSE (create an auto-reset event)
122 _condition = CreateEvent( NULL, FALSE, FALSE, NULL);
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123 mike 1.2 }
124
125
126 Condition::~Condition(void)
127 {
128 // don't allow any new waiters
129 _disallow++;
130
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131 tony 1.5 // Change from PulseEvent to SetEvent, this is part of
132 // fix to avoid deadlock in CIMClient Constructor.
133 // Change from PulseEvent to SetEvent
134 //PulseEvent(_condition);
135 SetEvent(_condition);
136
137
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138 mike 1.2 if(_destroy_mut == true)
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139 a.arora 1.7 _cond_mutex.reset();
140 else
141 _cond_mutex.release();
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142 tony 1.5
143 // Change from PulseEvent to SetEvent, this is part of
144 // fix to avoid deadlock in CIMClient Constructor.
145 // Change Added next line to cleanup handle
146 CloseHandle(_condition);
147
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148 mike 1.2 }
149
150 #endif // native conditional semaphore
151 //-----------------------------------------------------------------
152 // END of native conditional semaphore implementation
153 //-----------------------------------------------------------------
154
155
156 PEGASUS_NAMESPACE_END
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