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#include <iostream>
#include <fstream>
#include <syncstream>
#include <string>
#include <thread>
#include <queue>
#include <future>
#include <mutex>
#include <atomic>
#include <vector>
#include "../semaphore/semaphore.h"
#include "../cmdfork/cmdfork.h"
using namespace std;
//task
using PackagedTask = packaged_task<void (string const &fname)>;
class Task
{
string d_command;
PackagedTask d_task;
public:
Task() = default;
Task(string const &command, PackagedTask &&tmp)
:
d_command(command),
d_task(move(tmp))
{}
void operator()()
{
d_task(d_command);
d_task.get_future(); // handles potential exceptions
}
};
//=
class TaskQueue
{
mutex d_mutex;
queue<Task> d_queue;
public:
void push(Task &&tmp)
{
lock_guard<mutex> lk(d_mutex);
d_queue.push(move(tmp));
}
void popFront(Task &dest)
{
lock_guard<mutex> lk(d_mutex);
dest = move(d_queue.front());
d_queue.pop();
}
bool empty() const
{
return d_queue.empty();
}
};
extern atomic_bool g_done;
extern size_t g_sizeofWorkforce;
extern string g_marker;
extern std::vector<std::thread> g_thread;
extern fstream g_out;
extern TaskQueue g_taskQ;
extern Semaphore g_dispatcher;
extern Semaphore g_worker;
void compile(string const &line);
void jobs();
void worker();
void workforce();
string nextCommand();
void results();
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