Jack2  1.9.9
JackMutex.h
1 /*
2  Copyright (C) 2006 Grame
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  Grame Research Laboratory, 9 rue du Garet, 69001 Lyon - France
19  grame@grame.fr
20 */
21 
22 #ifndef __JackMutex__
23 #define __JackMutex__
24 
25 #include <assert.h>
26 #include "JackError.h"
27 #include "JackPlatformPlug.h"
28 
29 
30 namespace Jack
31 {
37 {
38 
39  protected:
40 
41  JackMutex fMutex;
42 
43  JackLockAble(const char* name = NULL)
44  :fMutex(name)
45  {}
46  ~JackLockAble()
47  {}
48 
49  public:
50 
51  bool Lock()
52  {
53  return fMutex.Lock();
54  }
55 
56  bool Trylock()
57  {
58  return fMutex.Trylock();
59  }
60 
61  bool Unlock()
62  {
63  return fMutex.Unlock();
64  }
65 
66 };
67 
68 class JackLock
69 {
70  private:
71 
72  JackLockAble* fObj;
73 
74  public:
75 
76  JackLock(JackLockAble* obj): fObj(obj)
77  {
78  fObj->Lock();
79  }
80 
81  JackLock(const JackLockAble* obj): fObj((JackLockAble*)obj)
82  {
83  fObj->Lock();
84  }
85 
86  ~JackLock()
87  {
88  fObj->Unlock();
89  }
90 };
91 
92 
93 } // namespace
94 
95 #endif
Base class for &quot;lockable&quot; objects.
Definition: JackMutex.h:36