Condition.h

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#pragma once
#include <atomic>
#include <misc/gen/Mutex.h>
#include <misc/gen/TimeSpec.h>
#include <misc/global.h>
 
namespace sf
{
 
class _MISC_CLASS Condition
{
  public:
    typedef ::pthread_cond_t* handle_type;
 
    explicit Condition(const std::string& name = "");
 
    ~Condition();
 
    bool wait(Mutex& mutex, const TimeSpec& timeout = TimeSpec());
 
    bool notifyOne();
 
    int notifyAll();
 
    operator handle_type();
 
    const Condition& operator=(const Condition&) = delete;
 
    int getWaiting() const;
 
    const std::string& getName();
 
  private:
    std::atomic<int> _waiting{0};
    ::pthread_cond_t _cond{};
    std::string _name;
};
 
inline Condition::operator handle_type()
{
  return &_cond;
}
 
}// namespace sf