MPD  0.20.15
WindowsCond.hxx
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29 
30 #ifndef THREAD_WINDOWS_COND_HXX
31 #define THREAD_WINDOWS_COND_HXX
32 
33 #include "CriticalSection.hxx"
34 
35 #include <chrono>
36 
40 class WindowsCond {
41  CONDITION_VARIABLE cond;
42 
43 public:
45  InitializeConditionVariable(&cond);
46  }
47 
48  WindowsCond(const WindowsCond &other) = delete;
49  WindowsCond &operator=(const WindowsCond &other) = delete;
50 
51  void signal() {
52  WakeConditionVariable(&cond);
53  }
54 
55  void broadcast() {
56  WakeAllConditionVariable(&cond);
57  }
58 
59 private:
60  bool timed_wait(CriticalSection &mutex, DWORD timeout_ms) {
61  return SleepConditionVariableCS(&cond, &mutex.critical_section,
62  timeout_ms);
63  }
64 
65 public:
67  std::chrono::steady_clock::duration timeout) {
68  auto timeout_ms = std::chrono::duration_cast<std::chrono::milliseconds>(timeout).count();
69  return timed_wait(mutex, timeout_ms);
70  }
71 
72  void wait(CriticalSection &mutex) {
73  timed_wait(mutex, INFINITE);
74  }
75 };
76 
77 #endif
Wrapper for a CONDITION_VARIABLE, backend for the Cond class.
Definition: WindowsCond.hxx:40
Wrapper for a CRITICAL_SECTION, backend for the Mutex class.
void broadcast()
Definition: WindowsCond.hxx:55
void signal()
Definition: WindowsCond.hxx:51
bool timed_wait(CriticalSection &mutex, std::chrono::steady_clock::duration timeout)
Definition: WindowsCond.hxx:66
void wait(CriticalSection &mutex)
Definition: WindowsCond.hxx:72
WindowsCond & operator=(const WindowsCond &other)=delete