extl/platform_/windows/synch/critical_section_lock.h

   1 /* ///////////////////////////////////////////////////////////////////////
   2  * File:                critical_section_lock.h
   3  *
   4  * Created:             08.03.20
   5  * Updated:             08.05.05
   6  *
   7  * Brief: critical_section_lock class
   8  *
   9  * [<Home>]
  10  * Copyright (c) 2008-2020, Waruqi All rights reserved.
  11  * //////////////////////////////////////////////////////////////////// */
  12 #ifndef EXTL_WIN_SYNCH_CRITICAL_SECTION_LOCK_H
  13 #define EXTL_WIN_SYNCH_CRITICAL_SECTION_LOCK_H
  14
  15 /*!\file critical_section_lock.h
  16  * \brief critical_section_lock class
  17  */
  18 #ifndef __cplusplus
  19 #       error critical_section_lock.h need be supported by c++.
  20 #endif
  21
  22 /* ///////////////////////////////////////////////////////////////////////
  23  * Includes
  24  */
  25 #include "../win.h"
  26 #include "../../synch/lock_base.h"
  27 #include "critical_section.h"
  28
  29 /* ///////////////////////////////////////////////////////////////////////
  30  * ::extl::platform::win namespace
  31  */
  32 EXTL_WIN_BEGIN_WHOLE_NAMESPACE
  33
  34 /*!\brief critical_section_lock class
  35  * \ingroup extl_group_synch
  36  */
  37 class critical_section_lock
  38         : public lock_base< critical_section_lock >
  39 {
  40         public:
  41                 typedef lock_base< critical_section_lock >      base_type;
  42                 typedef critical_section_lock                           class_type;
  43                 typedef base_type::size_type                            size_type;
  44
  45         private:
  46                 critical_section                                                        m_cs_obj;
  47
  48         public:
  49                 critical_section_lock()
  50                 {
  51                 }
  52
  53                 ~critical_section_lock()
  54                 {
  55                         if(base_type::is_locked())
  56                         {
  57                                 base_type::unlock();
  58                         }
  59                 }
  60
  61         public:
  62                 void do_lock()
  63                 {
  64                         m_cs_obj.enter();
  65                 }
  66                 e_bool_t do_trylock()
  67                 {
  68                         return m_cs_obj.try_enter();
  69                 }
  70                 void do_unlock()
  71                 {
  72                         m_cs_obj.leave();
  73                 }
  74 };
  75
  76 /* ///////////////////////////////////////////////////////////////////////
  77  * Unit-testing
  78  */
  79 #ifdef EXTL_SYNCH_LOCK_TEST_ENABLE
  80 #       include "unit_test/critical_section_lock_test.h"
  81 #endif
  82
  83 /* ///////////////////////////////////////////////////////////////////////
  84  * ::extl::platform::win namespace
  85  */
  86 EXTL_WIN_END_WHOLE_NAMESPACE
  87
  88 /* //////////////////////////////////////////////////////////////////// */
  89 #endif /* EXTL_WIN_SYNCH_CRITICAL_SECTION_LOCK_H */
  90 /* //////////////////////////////////////////////////////////////////// */