ZenLib
CriticalSection.h
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1 // ZenLib::CriticalSection - CriticalSection functions
2 // Copyright (C) 2007-2011 MediaArea.net SARL, Info@MediaArea.net
3 //
4 // This software is provided 'as-is', without any express or implied
5 // warranty. In no event will the authors be held liable for any damages
6 // arising from the use of this software.
7 //
8 // Permission is granted to anyone to use this software for any purpose,
9 // including commercial applications, and to alter it and redistribute it
10 // freely, subject to the following restrictions:
11 //
12 // 1. The origin of this software must not be misrepresented; you must not
13 // claim that you wrote the original software. If you use this software
14 // in a product, an acknowledgment in the product documentation would be
15 // appreciated but is not required.
16 // 2. Altered source versions must be plainly marked as such, and must not be
17 // misrepresented as being the original software.
18 // 3. This notice may not be removed or altered from any source distribution.
19 //
20 //+++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
21 //+++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
22 //
23 // CriticalSection functions
24 //
25 //+++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
26 
27 //---------------------------------------------------------------------------
28 #ifndef ZenLib_CriticalSectionH
29 #define ZenLib_CriticalSectionH
30 //---------------------------------------------------------------------------
31 
32 //---------------------------------------------------------------------------
33 #ifdef CS
34  #undef CS //Solaris defines this somewhere
35 #endif
36 //---------------------------------------------------------------------------
37 
38 namespace ZenLib
39 {
40 
41 //***************************************************************************
42 /// @brief CriticalSection manipulation
43 //***************************************************************************
44 
46 {
47 public :
48  //Constructor/Destructor
49  CriticalSection ();
51 
52  //Enter/Leave
53  void Enter();
54  void Leave();
55 
56 private :
57  void* CritSect;
58 };
59 
60 //***************************************************************************
61 /// @brief CriticalSectionLocker helper
62 //***************************************************************************
63 
65 {
66 public:
68  {
69  CritSec=&CS;
70  CritSec->Enter();
71  }
72 
74  {
75  CritSec->Leave();
76  }
77 
78 private:
79  ZenLib::CriticalSection *CritSec;
80 };
81 
82 } //NameSpace
83 
84 #endif