int Condition::signal() {return pthread_cond_signal(&cond_);}
int Condition::broadcast() {return pthread_cond_broadcast(&cond_);}
int Condition::wait(Mutex &m) {return pthread_cond_wait(&cond_,m);}
int Condition::signal() {return pthread_cond_signal(&cond_);}
int Condition::broadcast() {return pthread_cond_broadcast(&cond_);}
int Condition::wait(Mutex &m) {return pthread_cond_wait(&cond_,m);}