Здравствуйте. Компилятор выдает 'error: undefined reference to `threadsafe_queue::push(int)'
в следующем коде:
//threadsafe_queue.h
#ifndef THREADSAFE_QUEUE_H
#define THREADSAFE_QUEUE_H
#include <mutex>
#include <condition_variable>
#include <queue>
#include <memory>
template<typename T>
class threadsafe_queue
{
private:
mutable std::mutex mut;
std::queue<T> data_queue;
std::condition_variable data_cond;
public:
threadsafe_queue();
threadsafe_queue(const threadsafe_queue &other);
void push(T new_value);
void wait_and_pop(T& value);
std::shared_ptr<T> wait_and_pop();
bool try_pop(T& value);
std::shared_ptr<T> try_pop();
bool empty() const;
};
#endif // THREADSAFE_QUEUE_H
//threadsafe_queue.cpp
#include "threadsafe_queue.h"
template<typename T>
threadsafe_queue<T>::threadsafe_queue()
{}
template<typename T>
threadsafe_queue<T>::threadsafe_queue(const threadsafe_queue &other)
{
std::lock_guard<std::mutex> lk(other.mut);
data_queue=other.data_queue;
}
template<typename T>
void threadsafe_queue<T>::push(T new_value)
{
std::lock_guard<std::mutex> lk(mut);
data_queue.push(new_value);
data_cond.notify_one();
}
template<typename T>
void threadsafe_queue<T>::wait_and_pop(T &value)
{
std::unique_lock<std::mutex> lk(mut);
data_cond.wait(lk,[this]{return !data_queue.empty();});
value=data_queue.front();
data_queue.pop();
}
template<typename T>
std::shared_ptr<T> threadsafe_queue<T>::wait_and_pop()
{
std::unique_lock<std::mutex> lk(mut);
data_cond.wait(lk,[this]{return !data_queue.empty();});
std::shared_ptr<T> res(std::make_shared<T>(data_queue.front()));
data_queue.pop();
return res;
}
template<typename T>
bool threadsafe_queue<T>::try_pop(T &value)
{
std::lock_guard<std::mutex> lk(mut);
if(data_queue.empty)
return false;
value=data_queue.front();
data_queue.pop();
}
template<typename T>
std::shared_ptr<T> threadsafe_queue<T>::try_pop()
{
std::lock_guard<std::mutex> lk(mut);
if(data_queue.empty())
return std::shared_ptr<T>();
std::shared_ptr<T> res(std::make_shared<T>(data_queue.front()));
data_queue.pop();
return res;
}
template<typename T>
bool threadsafe_queue<T>::empty() const
{
std::lock_guard<std::mutex> lk(mut);
return data_queue.empty();
}
//main.cpp
threadsafe_queue<int> q;
void AddData()
{
int sec = 0;
int sec_for_sleep = 2;
while(true) {
std::this_thread::sleep_for(std::chrono::milliseconds(sec_for_sleep * 1000));
sec += sec_for_sleep;
q.push(sec); //здесь указывает на ошибку
if (sec > 30) break;
}
}
int main()
{
return 0;
}
