mutex.hpp

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#pragma once
#include <fc/time.hpp>
#include <fc/thread/spin_yield_lock.hpp>
 
namespace fc { 
  class microseconds;
  class time_point;
  struct context;
  
  class mutex {
    public:
      mutex();
      ~mutex();
 
      bool try_lock();
      bool try_lock_for( const microseconds& rel_time );
      bool try_lock_until( const time_point& abs_time );
      void lock();
      void unlock();
 
    private:
      fc::spin_yield_lock   m_blist_lock;
      fc::context*          m_blist;
      unsigned              recursive_lock_count;
  };
  
} // namespace fc