compile_all.cpp File Reference

threadpool tutorial. More...

#include <iostream>
#include <sstream>
#include <boost/thread/mutex.hpp>
#include <boost/bind.hpp>
#include <boost/threadpool.hpp>

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Functions
void	print (string text)
template<typename T >
string	to_string (T const &value)
void	task_1 ()
void	task_2 ()
void	task_3 ()
int	task_4 ()
void	task_with_parameter (int value)
bool	looped_task ()
int	task_int ()
void	fifo_pool_test ()
void	lifo_pool_test ()
void	prio_pool_test ()
void	future_test ()
int	main (int, char *const [])

Variables
boost::mutex	m_io_monitor
int	loops = 0

Detailed Description

threadpool tutorial.

This file contains a tutorial for the threadpool library.

Copyright (c) 2005-2006 Philipp Henkel

Distributed under the Boost Software License, Version 1.0. (See accompanying file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)

http://threadpool.sourceforge.net

Definition in file compile_all.cpp.

Function Documentation

void fifo_pool_test

(

)

Definition at line 94 of file compile_all.cpp.

{
    pool tp;
    
    tp.schedule(&task_1);
    tp.schedule(boost::bind(task_with_parameter, 4));

    if(!tp.empty())
    {
      tp.clear();  // remove all tasks -> no output in this test
    }

    size_t active_threads   = tp.active();
    size_t pending_threads  = tp.pending();
    size_t total_threads    = tp.size();
    
    size_t dummy = active_threads + pending_threads + total_threads;
    dummy++;

    tp.size_controller().resize(5);
    tp.wait();
}

void future_test

(

)

Definition at line 134 of file compile_all.cpp.

{
    fifo_pool tp(5);
    future<int> fut = schedule(tp, &task_4);
    int res = fut();
}

void lifo_pool_test

(

)

Definition at line 117 of file compile_all.cpp.

{
    lifo_pool tp;
    tp.size_controller().resize(0);
    schedule(tp, &task_1);
    tp.size_controller().resize(10);
    tp.wait();
}

bool looped_task

(

)

Definition at line 80 of file compile_all.cpp.

{
  print("  looped_task()\n");
  return ++loops < 5; 
}

int main	(	int	,
		char *	const[]
	)

Definition at line 142 of file compile_all.cpp.

{
  fifo_pool_test();
  lifo_pool_test();
  prio_pool_test();
  future_test();
  return 0;
}

void print

(

string

text

)

Definition at line 34 of file compile_all.cpp.

{
  boost::mutex::scoped_lock lock(m_io_monitor);
  cout << text;
}

void prio_pool_test

(

)

Definition at line 126 of file compile_all.cpp.

{
    prio_pool tp(2);
    schedule(tp, prio_task_func(1, &task_1));
    schedule(tp, prio_task_func(10,&task_2));
}

void task_1

(

)

Definition at line 53 of file compile_all.cpp.

{
  print("  task_1()\n");
}

void task_2

(

)

Definition at line 58 of file compile_all.cpp.

{
  print("  task_2()\n");
}

void task_3

(

)

Definition at line 63 of file compile_all.cpp.

{
  print("  task_3()\n");
}

int task_4

(

)

Definition at line 68 of file compile_all.cpp.

{
  print("  task_4()\n");
  return 4;
}

int task_int

(

)

Definition at line 87 of file compile_all.cpp.

{
  print("  task_int()\n");
  return 23;
}

void task_with_parameter

(

int

value

)

Definition at line 74 of file compile_all.cpp.

{
  print("  task_with_parameter(" + to_string(value) + ")\n");
}

template<typename T >

string to_string

(

T const &

value

)

Definition at line 41 of file compile_all.cpp.

{
  ostringstream ost;
  ost << value;
  ost.flush();
  return ost.str();
}

Variable Documentation

int loops = 0

Definition at line 79 of file compile_all.cpp.

boost::mutex m_io_monitor

Definition at line 32 of file compile_all.cpp.