1 |
// AprSharp, a wrapper library around the Apache Portable Runtime Library |
---|
2 |
#region Copyright (C) 2004 SOFTEC sa. |
---|
3 |
// |
---|
4 |
// This library is free software; you can redistribute it and/or |
---|
5 |
// modify it under the terms of the GNU Lesser General Public |
---|
6 |
// License as published by the Free Software Foundation; either |
---|
7 |
// version 2.1 of the License, or (at your option) any later version. |
---|
8 |
// |
---|
9 |
// This library is distributed in the hope that it will be useful, |
---|
10 |
// but WITHOUT ANY WARRANTY; without even the implied warranty of |
---|
11 |
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU |
---|
12 |
// Lesser General Public License for more details. |
---|
13 |
// |
---|
14 |
// You should have received a copy of the GNU Lesser General Public |
---|
15 |
// License along with this library; if not, write to the Free Software |
---|
16 |
// Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA |
---|
17 |
// |
---|
18 |
// Sources, support options and lastest version of the complete library |
---|
19 |
// is available from: |
---|
20 |
// http://www.softec.st/AprSharp |
---|
21 |
// |
---|
22 |
// |
---|
23 |
// Initial authors : |
---|
24 |
// Denis Gervalle |
---|
25 |
// Olivier Desaive |
---|
26 |
#endregion |
---|
27 |
// |
---|
28 |
using System; |
---|
29 |
using System.Diagnostics; |
---|
30 |
|
---|
31 |
namespace Softec.AprSharp |
---|
32 |
{ |
---|
33 |
public struct AprThreadMutex : IAprUnmanaged |
---|
34 |
{ |
---|
35 |
IntPtr mThreadMutex; |
---|
36 |
|
---|
37 |
///<remark>Should be synchronized with #define from APR</remarks> |
---|
38 |
public enum AprThreadMutexFlags |
---|
39 |
{ |
---|
40 |
Default, |
---|
41 |
Nested, |
---|
42 |
Unnested |
---|
43 |
} |
---|
44 |
|
---|
45 |
#region Generic embedding functions of an IntPtr |
---|
46 |
public AprThreadMutex(IntPtr ptr) |
---|
47 |
{ |
---|
48 |
mThreadMutex = ptr; |
---|
49 |
} |
---|
50 |
|
---|
51 |
public bool IsNull |
---|
52 |
{ |
---|
53 |
get |
---|
54 |
{ |
---|
55 |
return( mThreadMutex == IntPtr.Zero ); |
---|
56 |
} |
---|
57 |
} |
---|
58 |
|
---|
59 |
private void CheckPtr() |
---|
60 |
{ |
---|
61 |
if( IsNull ) |
---|
62 |
throw new AprNullReferenceException(); |
---|
63 |
} |
---|
64 |
|
---|
65 |
public void ClearPtr() |
---|
66 |
{ |
---|
67 |
mThreadMutex = IntPtr.Zero; |
---|
68 |
} |
---|
69 |
|
---|
70 |
public IntPtr ToIntPtr() |
---|
71 |
{ |
---|
72 |
return mThreadMutex; |
---|
73 |
} |
---|
74 |
|
---|
75 |
public bool ReferenceEquals(IAprUnmanaged obj) |
---|
76 |
{ |
---|
77 |
return(obj.ToIntPtr() == ToIntPtr()); |
---|
78 |
} |
---|
79 |
|
---|
80 |
public static implicit operator IntPtr(AprThreadMutex threadMutex) |
---|
81 |
{ |
---|
82 |
return threadMutex.mThreadMutex; |
---|
83 |
} |
---|
84 |
|
---|
85 |
public static implicit operator AprThreadMutex(IntPtr ptr) |
---|
86 |
{ |
---|
87 |
return new AprThreadMutex(ptr); |
---|
88 |
} |
---|
89 |
|
---|
90 |
public override string ToString() |
---|
91 |
{ |
---|
92 |
return("[apr_thread_mutex_t:"+mThreadMutex.ToInt32().ToString("X")+"]"); |
---|
93 |
} |
---|
94 |
#endregion |
---|
95 |
|
---|
96 |
#region Wrapper methods |
---|
97 |
public static AprThreadMutex Create(AprPool pool) |
---|
98 |
{ |
---|
99 |
return(Create(AprThreadMutexFlags.Default, pool)); |
---|
100 |
} |
---|
101 |
|
---|
102 |
public static AprThreadMutex Create( AprThreadMutexFlags flags, |
---|
103 |
AprPool pool) |
---|
104 |
{ |
---|
105 |
IntPtr ptr; |
---|
106 |
|
---|
107 |
Debug.Write(String.Format("apr_thread_mutex_create({0},{1})...",flags,pool)); |
---|
108 |
int res = Apr.apr_thread_mutex_create(out ptr, (uint)flags, pool); |
---|
109 |
if(res != 0 ) |
---|
110 |
throw new AprException(res); |
---|
111 |
Debug.WriteLine(String.Format("Done({0:X})",((Int32)ptr))); |
---|
112 |
|
---|
113 |
return((AprThreadMutex) ptr); |
---|
114 |
} |
---|
115 |
|
---|
116 |
public void Destroy() |
---|
117 |
{ |
---|
118 |
CheckPtr(); |
---|
119 |
Debug.Write(String.Format("apr_thread_mutex_destroy({0:X})...",((Int32)mThreadMutex))); |
---|
120 |
int res = Apr.apr_thread_mutex_destroy(mThreadMutex); |
---|
121 |
if(res != 0 ) |
---|
122 |
throw new AprException(res); |
---|
123 |
Debug.WriteLine("Done"); |
---|
124 |
ClearPtr(); |
---|
125 |
} |
---|
126 |
|
---|
127 |
public void Lock() |
---|
128 |
{ |
---|
129 |
CheckPtr(); |
---|
130 |
Debug.Write(String.Format("apr_thread_mutex_lock({0:X})...",((Int32)mThreadMutex))); |
---|
131 |
int res = Apr.apr_thread_mutex_lock(mThreadMutex); |
---|
132 |
if(res != 0 ) |
---|
133 |
throw new AprException(res); |
---|
134 |
Debug.WriteLine("Done"); |
---|
135 |
} |
---|
136 |
|
---|
137 |
public bool TryLock() |
---|
138 |
{ |
---|
139 |
CheckPtr(); |
---|
140 |
Debug.Write(String.Format("apr_thread_mutex_trylock({0:X})...",((Int32)mThreadMutex))); |
---|
141 |
int res = Apr.apr_thread_mutex_trylock(mThreadMutex); |
---|
142 |
if(res != 0 ) { |
---|
143 |
if(res == 70025 ) { |
---|
144 |
Debug.WriteLine(String.Format("Fail({0})",res)); |
---|
145 |
return(false); |
---|
146 |
} |
---|
147 |
throw new AprException(res); |
---|
148 |
} |
---|
149 |
Debug.WriteLine(String.Format("Done({0})",res)); |
---|
150 |
return(true); |
---|
151 |
} |
---|
152 |
|
---|
153 |
public void Unlock() |
---|
154 |
{ |
---|
155 |
CheckPtr(); |
---|
156 |
Debug.Write(String.Format("apr_thread_mutex_unlock({0:X})...",((Int32)mThreadMutex))); |
---|
157 |
int res = Apr.apr_thread_mutex_unlock(mThreadMutex); |
---|
158 |
if(res != 0 ) |
---|
159 |
throw new AprException(res); |
---|
160 |
Debug.WriteLine("Done"); |
---|
161 |
} |
---|
162 |
#endregion |
---|
163 |
|
---|
164 |
#region Wrapper properties |
---|
165 |
public AprPool Pool |
---|
166 |
{ |
---|
167 |
get { |
---|
168 |
Debug.WriteLine(String.Format("apr_thread_mutex_pool_get({0:X})",((Int32)mThreadMutex))); |
---|
169 |
return(Apr.apr_thread_mutex_pool_get(mThreadMutex)); |
---|
170 |
} |
---|
171 |
} |
---|
172 |
#endregion |
---|
173 |
} |
---|
174 |
} |
---|