Method try_lock

common/sys/mutex.cpp:17–17

  MutexSys::~MutexSys() { DeleteCriticalSection((CRITICAL_SECTION*)mutex); delete (CRITICAL_SECTION*)mutex; }
  void MutexSys::lock() { EnterCriticalSection((CRITICAL_SECTION*)mutex); }
  bool MutexSys::try_lock() { return TryEnterCriticalSection((CRITICAL_SECTION*)mutex) != 0; }
  void MutexSys::unlock() { LeaveCriticalSection((CRITICAL_SECTION*)mutex); }
}
#endif