Condition.h
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00001 // -*- C++ -*-
00020 #ifndef COIL_CONDITION_H
00021 #define COIL_CONDITION_H
00022 
00023 #include <pthread.h>
00024 #include <algorithm>
00025 #include <ctime>
00026 
00027 
00028 namespace coil
00029 {
00043   template <class M>
00044   class Condition
00045   {
00046   public:
00047 
00063     Condition(M& mutex)
00064       : m_mutex(mutex)
00065     {
00066       ::pthread_cond_init(&m_cond, 0);
00067     }
00068 
00084     ~Condition()
00085     {
00086       ::pthread_cond_destroy(&m_cond);
00087     }
00088 
00104     inline void signal()
00105     {
00106       ::pthread_cond_signal(&m_cond);
00107     }
00108 
00124     inline void broadcast()
00125     {
00126       ::pthread_cond_broadcast(&m_cond);
00127     }
00128 
00148     bool wait()
00149     {
00150       return 0 == ::pthread_cond_wait(&m_cond, &m_mutex.mutex_);
00151     }
00152 
00178     bool wait(long second, long nano_second = 0)
00179     {
00180       timespec abstime;
00181       abstime.tv_sec = std::time(0) + second;
00182       abstime.tv_nsec = nano_second;
00183       return 0 == ::pthread_cond_timedwait(&m_cond, &m_mutex.mutex_, &abstime);
00184     }
00185 
00186   private:
00187     Condition(const M&);
00188     Condition& operator=(const M &);
00189     pthread_cond_t m_cond;
00190     M& m_mutex;
00191   };
00192 };
00193 #endif // COIL_CONDITION_H


openrtm_aist
Author(s): Noriaki Ando
autogenerated on Sun Mar 26 2017 03:37:14