C++ version of the thread and task pool example
- 2020-04-02 02:10:57
- OfStack
commondef.h
//In seconds, monitor the free list interval, and tasks that exceed TASK_DESTROY_INTERVAL in the free queue will be automatically destroyed
const int CHECK_IDLE_TASK_INTERVAL = 300;
//Unit of seconds, task auto-destruction time interval
const int TASK_DESTROY_INTERVAL = 60;
//Monitors whether the thread pool is empty for an interval of microseconds
const int IDLE_CHECK_POLL_EMPTY = 500;
//Thread pool thread idle automatic exit interval,5 minutes
const int THREAD_WAIT_TIME_OUT = 300;
taskpool.cpp
#include "taskpool.h"
#include <string.h>
#include <stdio.h>
#include <pthread.h>
TaskPool::TaskPool(const int & poolMaxSize)
: m_poolSize(poolMaxSize)
, m_taskListSize(0)
, m_bStop(false)
{
pthread_mutex_init(&m_lock, NULL);
pthread_mutex_init(&m_idleMutex, NULL);
pthread_cond_init(&m_idleCond, NULL);
pthread_attr_t attr;
pthread_attr_init( &attr );
pthread_attr_setdetachstate( &attr, PTHREAD_CREATE_JOINABLE ); //Let the thread run independently
pthread_create(&m_idleId, &attr, CheckIdleTask, this); //Create the monitor idle task process
pthread_attr_destroy(&attr);
}
TaskPool::~TaskPool()
{
if(!m_bStop)
{
StopPool();
}
if(!m_taskList.empty())
{
std::list<Task*>::iterator it = m_taskList.begin();
for(; it != m_taskList.end(); ++it)
{
if(*it != NULL)
{
delete *it;
*it = NULL;
}
}
m_taskList.clear();
m_taskListSize = 0;
}
if(!m_idleList.empty())
{
std::list<Task*>::iterator it = m_idleList.begin();
for(; it != m_idleList.end(); ++it)
{
if(*it != NULL)
{
delete *it;
*it = NULL;
}
}
m_idleList.clear();
}
pthread_mutex_destroy(&m_lock);
pthread_mutex_destroy(&m_idleMutex);
pthread_cond_destroy(&m_idleCond);
}
void * TaskPool::CheckIdleTask(void * arg)
{
TaskPool * pool = (TaskPool*)arg;
while(1)
{
pool->LockIdle();
pool->RemoveIdleTask();
if(pool->GetStop())
{
pool->UnlockIdle();
break;
}
pool->CheckIdleWait();
pool->UnlockIdle();
}
}
void TaskPool::StopPool()
{
m_bStop = true;
LockIdle();
pthread_cond_signal(&m_idleCond); //Prevents the monitoring thread from waiting and causing an unegress problem
UnlockIdle();
pthread_join(m_idleId, NULL);
}
bool TaskPool::GetStop()
{
return m_bStop;
}
void TaskPool::CheckIdleWait()
{
struct timespec timeout;
memset(&timeout, 0, sizeof(timeout));
timeout.tv_sec = time(0) + CHECK_IDLE_TASK_INTERVAL;
timeout.tv_nsec = 0;
pthread_cond_timedwait(&m_idleCond, &m_idleMutex, &timeout);
}
int TaskPool::RemoveIdleTask()
{
int iRet = 0;
std::list<Task*>::iterator it, next;
std::list<Task*>::reverse_iterator rit = m_idleList.rbegin();
time_t curTime = time(0);
for(; rit != m_idleList.rend(); )
{
it = --rit.base();
if(difftime(curTime,((*it)->last_time)) >= TASK_DESTROY_INTERVAL)
{
iRet++;
delete *it;
*it = NULL;
next = m_idleList.erase(it);
rit = std::list<Task*>::reverse_iterator(next);
}
else
{
break;
}
}
}
int TaskPool::AddTask(task_fun fun, void *arg)
{
int iRet = 0;
if(0 != fun)
{
pthread_mutex_lock(&m_lock);
if(m_taskListSize >= m_poolSize)
{
pthread_mutex_unlock(&m_lock);
iRet = -1; //task pool is full;
}
else
{
pthread_mutex_unlock(&m_lock);
Task * task = GetIdleTask();
if(NULL == task)
{
task = new Task;
}
if(NULL == task)
{
iRet = -2; // new failed
}
else
{
task->fun = fun;
task->data = arg;
pthread_mutex_lock(&m_lock);
m_taskList.push_back(task);
++m_taskListSize;
pthread_mutex_unlock(&m_lock);
}
}
}
return iRet;
}
Task* TaskPool::GetTask()
{
Task *task = NULL;
pthread_mutex_lock(&m_lock);
if(!m_taskList.empty())
{
task = m_taskList.front();
m_taskList.pop_front();
--m_taskListSize;
}
pthread_mutex_unlock(&m_lock);
return task;
}
void TaskPool::LockIdle()
{
pthread_mutex_lock(&m_idleMutex);
}
void TaskPool::UnlockIdle()
{
pthread_mutex_unlock(&m_idleMutex);
}
Task * TaskPool::GetIdleTask()
{
LockIdle();
Task * task = NULL;
if(!m_idleList.empty())
{
task = m_idleList.front();
m_idleList.pop_front();
}
UnlockIdle();
return task;
}
void TaskPool::SaveIdleTask(Task*task)
{
if(NULL != task)
{
task->fun = 0;
task->data = NULL;
task->last_time = time(0);
LockIdle();
m_idleList.push_front(task);
UnlockIdle();
}
}
taskpool.h
#ifndef TASKPOOL_H
#define TASKPOOL_H
#include <list>
#include <pthread.h>
#include "commondef.h"
//All user actions are a task,
typedef void (*task_fun)(void *);
struct Task
{
task_fun fun; //Task handling function
void* data; //Task processing data
time_t last_time; //The time to join the idle queue is used for automatic destruction
};
//Task pool, all tasks are posted to the task pool, and the administrative thread is responsible for Posting tasks to the thread pool
class TaskPool
{
public:
TaskPool(const int & poolMaxSize);
~TaskPool();
int AddTask(task_fun fun, void* arg);
Task* GetTask();
void SaveIdleTask(Task*task);
void StopPool();
public:
void LockIdle();
void UnlockIdle();
void CheckIdleWait();
int RemoveIdleTask();
bool GetStop();
private:
static void * CheckIdleTask(void *);
Task* GetIdleTask();
int GetTaskSize();
private:
int m_poolSize; //Task pool size
int m_taskListSize; //Count the size of the taskList, because the time will increase as the number of lists increases
bool m_bStop; //Whether or not to stop
std::list<Task*> m_taskList;//List of tasks to be processed
std::list<Task*> m_idleList;//All free task lists
pthread_mutex_t m_lock; //Locks the task list to ensure that only one task is taken at a time
pthread_mutex_t m_idleMutex; //Idle task queue lock
pthread_cond_t m_idleCond; //Idle queue wait condition
pthread_t m_idleId;;
};
#endif
threadpool.cpp
#include "threadpool.h"
#include <errno.h>
#include <string.h>
Thread::Thread(bool detach, ThreadPool * pool)
: m_pool(pool)
{
pthread_attr_init(&m_attr);
if(detach)
{
pthread_attr_setdetachstate(&m_attr, PTHREAD_CREATE_DETACHED ); //Let the thread run independently
}
else
{
pthread_attr_setdetachstate(&m_attr, PTHREAD_CREATE_JOINABLE );
}
pthread_mutex_init(&m_mutex, NULL); //Initialize the mutex
pthread_cond_init(&m_cond, NULL); //Initialize the condition variable
task.fun = 0;
task.data = NULL;
}
Thread::~Thread()
{
pthread_cond_destroy(&m_cond);
pthread_mutex_destroy(&m_mutex);
pthread_attr_destroy(&m_attr);
}
ThreadPool::ThreadPool()
: m_poolMax(0)
, m_idleNum(0)
, m_totalNum(0)
, m_bStop(false)
{
pthread_mutex_init(&m_mutex, NULL);
pthread_mutex_init(&m_runMutex,NULL);
pthread_mutex_init(&m_terminalMutex, NULL);
pthread_cond_init(&m_terminalCond, NULL);
pthread_cond_init(&m_emptyCond, NULL);
}
ThreadPool::~ThreadPool()
{
pthread_mutex_destroy(&m_runMutex);
pthread_mutex_destroy(&m_terminalMutex);
pthread_mutex_destroy(&m_mutex);
pthread_cond_destroy(&m_terminalCond);
pthread_cond_destroy(&m_emptyCond);
}
int ThreadPool::InitPool(const int & poolMax, const int & poolPre)
{
if(poolMax < poolPre
|| poolPre < 0
|| poolMax <= 0)
{
return -1;
}
m_poolMax = poolMax;
int iRet = 0;
for(int i=0; i<poolPre; ++i)
{
Thread * thread = CreateThread();
if(NULL == thread)
{
iRet = -2;
}
}
if(iRet < 0)
{
std::list<Thread*>::iterator it = m_threads.begin();
for(; it!= m_threads.end(); ++it)
{
if(NULL != (*it) )
{
delete *it;
*it = NULL;
}
}
m_threads.clear();
m_totalNum = 0;
}
return iRet;
}
void ThreadPool::GetThreadRun(task_fun fun, void* arg)
{
//Gets a thread from the thread pool
pthread_mutex_lock( &m_mutex);
if(m_threads.empty())
{
pthread_cond_wait(&m_emptyCond,&m_mutex); //Blocked waiting for a free thread
}
Thread * thread = m_threads.front();
m_threads.pop_front();
pthread_mutex_unlock( &m_mutex);
pthread_mutex_lock( &thread->m_mutex );
thread->task.fun = fun;
thread->task.data = arg;
pthread_cond_signal(&thread->m_cond); //Triggers thread WapperFun loop execution
pthread_mutex_unlock( &thread->m_mutex );
}
int ThreadPool::Run(task_fun fun, void * arg)
{
pthread_mutex_lock(&m_runMutex); //Ensure that only one thread can execute at a time
int iRet = 0;
if(m_totalNum <m_poolMax) //
{
if(m_threads.empty() && (NULL == CreateThread()) )
{
iRet = -1;//can not create new thread!
}
else
{
GetThreadRun(fun, arg);
}
}
else
{
GetThreadRun(fun, arg);
}
pthread_mutex_unlock(&m_runMutex);
return iRet;
}
void ThreadPool::StopPool(bool bStop)
{
m_bStop = bStop;
if(bStop)
{
//Starts a thread that monitors whether all idle threads exit
Thread thread(false, this);
pthread_create(&thread.m_threadId,&thread.m_attr, ThreadPool::TerminalCheck , &thread); //Start monitoring all threads to exit the thread
//Block waits for all idle threads to exit
pthread_join(thread.m_threadId, NULL);
}
/*if(bStop)
{
pthread_mutex_lock(&m_terminalMutex);
//Starts a thread that monitors whether all idle threads exit
Thread thread(true, this);
pthread_create(&thread.m_threadId,&thread.m_attr, ThreadPool::TerminalCheck , &thread); //Start monitoring all threads to exit the thread
//Block waits for all idle threads to exit
pthread_cond_wait(&m_terminalCond, & m_terminalMutex);
pthread_mutex_unlock(&m_terminalMutex);
}*/
}
bool ThreadPool::GetStop()
{
return m_bStop;
}
Thread * ThreadPool::CreateThread()
{
Thread * thread = NULL;
thread = new Thread(true, this);
if(NULL != thread)
{
int iret = pthread_create(&thread->m_threadId,&thread->m_attr, ThreadPool::WapperFun , thread); //Add threads to the idle queue through WapperFun
if(0 != iret)
{
delete thread;
thread = NULL;
}
}
return thread;
}
void * ThreadPool::WapperFun(void*arg)
{
Thread * thread = (Thread*)arg;
if(NULL == thread || NULL == thread->m_pool)
{
return NULL;
}
ThreadPool * pool = thread->m_pool;
pool->IncreaseTotalNum();
struct timespec abstime;
memset(&abstime, 0, sizeof(abstime));
while(1)
{
if(0 != thread->task.fun)
{
thread->task.fun(thread->task.data);
}
if( true == pool->GetStop() )
{
break; //Determine whether to exit the thread after the current task is completed
}
pthread_mutex_lock( &thread->m_mutex );
pool->SaveIdleThread(thread); //Adds a thread to the idle queue
abstime.tv_sec = time(0) + THREAD_WAIT_TIME_OUT;
abstime.tv_nsec = 0;
if(ETIMEDOUT == pthread_cond_timedwait( &thread->m_cond, &thread->m_mutex, &abstime )) //Waits for the thread to wake up or the timeout to exit automatically
{
pthread_mutex_unlock( &thread->m_mutex );
break;
}
pthread_mutex_unlock( &thread->m_mutex );
}
pool->LockMutex();
pool->DecreaseTotalNum();
if(thread != NULL)
{
pool->RemoveThread(thread);
delete thread;
thread = NULL;
}
pool->UnlockMutex();
return 0;
}
void ThreadPool::SaveIdleThread(Thread * thread )
{
if(thread)
{
thread->task.fun = 0;
thread->task.data = NULL;
LockMutex();
if(m_threads.empty())
{
pthread_cond_broadcast(&m_emptyCond); //Sends a non-empty signal to tell the run function that the thread queue is not empty
}
m_threads.push_front(thread);
UnlockMutex();
}
}
int ThreadPool::TotalThreads()
{
return m_totalNum;
}
void ThreadPool::SendSignal()
{
LockMutex();
std::list<Thread*>::iterator it = m_threads.begin();
for(; it!= m_threads.end(); ++it)
{
pthread_mutex_lock( &(*it)->m_mutex );
pthread_cond_signal(&((*it)->m_cond));
pthread_mutex_unlock( &(*it)->m_mutex );
}
UnlockMutex();
}
void * ThreadPool::TerminalCheck(void* arg)
{
Thread * thread = (Thread*)arg;
if(NULL == thread || NULL == thread->m_pool)
{
return NULL;
}
ThreadPool * pool = thread->m_pool;
while((false == pool->GetStop()) || pool->TotalThreads() >0 )
{
pool->SendSignal();
usleep(IDLE_CHECK_POLL_EMPTY);
}
//pool->TerminalCondSignal();
return 0;
}
void ThreadPool::TerminalCondSignal()
{
pthread_cond_signal(&m_terminalCond);
}
void ThreadPool::RemoveThread(Thread* thread)
{
m_threads.remove(thread);
}
void ThreadPool::LockMutex()
{
pthread_mutex_lock( &m_mutex);
}
void ThreadPool::UnlockMutex()
{
pthread_mutex_unlock( &m_mutex );
}
void ThreadPool::IncreaseTotalNum()
{
LockMutex();
m_totalNum++;
UnlockMutex();
}
void ThreadPool::DecreaseTotalNum()
{
m_totalNum--;
}
threadpool.h
#ifndef THREADPOOL_H
#define THREADPOOL_H
#include <list>
#include <string>
#include "taskpool.h"
//The task scheduling process is controlled through threadmanager
//The TerminalCheck thread of a threadpool is responsible for monitoring the exit of all threads from the threadpool
class ThreadPool;
class Thread
{
public:
Thread(bool detach, ThreadPool * pool);
~Thread();
pthread_t m_threadId; //Thread id
pthread_mutex_t m_mutex; //The mutex
pthread_cond_t m_cond; //Condition variables,
pthread_attr_t m_attr; //Thread attributes
Task task; //
ThreadPool * m_pool; //Owned thread pool
};
//Thread pool, which is responsible for creating thread processing tasks, will add threads to the idle queue after processing, from the task pool
class ThreadPool
{
public:
ThreadPool();
~ThreadPool();
int InitPool(const int & poolMax, const int & poolPre);
int Run(task_fun fun, void* arg);
void StopPool(bool bStop);
public: //This public function is primarily used for static function calls
bool GetStop();
void SaveIdleThread(Thread * thread );
void LockMutex();
void UnlockMutex();
void DecreaseTotalNum();
void IncreaseTotalNum();
void RemoveThread(Thread* thread);
void TerminalCondSignal();
int TotalThreads();
void SendSignal();
private:
Thread * CreateThread();
void GetThreadRun(task_fun fun, void* arg);
static void * WapperFun(void*);
static void * TerminalCheck(void*);//The loop monitors whether all threads terminate threads
private:
int m_poolMax;//Maximum number of threads in the thread pool
int m_idleNum; //Number of idle threads
int m_totalNum; //The current total number of threads is less than the maximum number of threads & NBSP;
bool m_bStop; //Whether to stop the thread pool
pthread_mutex_t m_mutex; //Thread list lock
pthread_mutex_t m_runMutex; //The run function locks
pthread_mutex_t m_terminalMutex; //Terminates all thread mutexes
pthread_cond_t m_terminalCond; // Terminate all threads Condition variables,
pthread_cond_t m_emptyCond; // The idle thread is not empty Condition variables,
std::list<Thread*> m_threads; //The thread list
};
#endif
threadpoolmanager.cpp
#include "threadpoolmanager.h"
#include "threadpool.h"
#include "taskpool.h"
#include <errno.h>
#include <string.h>
/*#include <string.h>
#include <sys/time.h>
#include <stdio.h>*/
// struct timeval time_beg, time_end;
ThreadPoolManager::ThreadPoolManager()
: m_threadPool(NULL)
, m_taskPool(NULL)
, m_bStop(false)
{
pthread_mutex_init(&m_mutex_task,NULL);
pthread_cond_init(&m_cond_task, NULL);
}
ThreadPoolManager::~ThreadPoolManager()
{
StopAll();
if(NULL != m_threadPool)
{
delete m_threadPool;
m_threadPool = NULL;
}
if(NULL != m_taskPool)
{
delete m_taskPool;
m_taskPool = NULL;
}
pthread_cond_destroy( &m_cond_task);
pthread_mutex_destroy( &m_mutex_task );
}
int ThreadPoolManager::Init(
const int &tastPoolSize,
const int &threadPoolMax,
const int &threadPoolPre)
{
m_threadPool = new ThreadPool();
if(NULL == m_threadPool)
{
return -1;
}
m_taskPool = new TaskPool(tastPoolSize);
if(NULL == m_taskPool)
{
return -2;
}
if(0>m_threadPool->InitPool(threadPoolMax, threadPoolPre))
{
return -3;
}
//Start thread pool
//Start task pool
//Start the task acquisition thread and keep taking tasks from the task pool to the thread pool
pthread_attr_t attr;
pthread_attr_init( &attr );
pthread_attr_setdetachstate( &attr, PTHREAD_CREATE_JOINABLE );
pthread_create(&m_taskThreadId, &attr, TaskThread, this); //Create the fetch task process
pthread_attr_destroy(&attr);
return 0;
}
void ThreadPoolManager::StopAll()
{
m_bStop = true;
LockTask();
pthread_cond_signal(&m_cond_task);
UnlockTask();
pthread_join(m_taskThreadId, NULL);
//Wait for all current tasks to complete
m_taskPool->StopPool();
m_threadPool->StopPool(true); //Stop thread pool work
}
void ThreadPoolManager::LockTask()
{
pthread_mutex_lock(&m_mutex_task);
}
void ThreadPoolManager::UnlockTask()
{
pthread_mutex_unlock(&m_mutex_task);
}
void* ThreadPoolManager::TaskThread(void* arg)
{
ThreadPoolManager * manager = (ThreadPoolManager*)arg;
while(1)
{
manager->LockTask(); //A stop signal was sent to prevent the task from not being completed
while(1) //Complete the task in the task queue before exiting
{
Task * task = manager->GetTaskPool()->GetTask();
if(NULL == task)
{
break;
}
else
{
manager->GetThreadPool()->Run(task->fun, task->data);
manager->GetTaskPool()->SaveIdleTask(task);
}
}
if(manager->GetStop())
{
manager->UnlockTask();
break;
}
manager->TaskCondWait(); //Wait for a task to be executed
manager->UnlockTask();
}
return 0;
}
ThreadPool * ThreadPoolManager::GetThreadPool()
{
return m_threadPool;
}
TaskPool * ThreadPoolManager::GetTaskPool()
{
return m_taskPool;
}
int ThreadPoolManager::Run(task_fun fun,void* arg)
{
if(0 == fun)
{
return 0;
}
if(!m_bStop)
{
int iRet = m_taskPool->AddTask(fun, arg);
if(iRet == 0 && (0 == pthread_mutex_trylock(&m_mutex_task)) )
{
pthread_cond_signal(&m_cond_task);
UnlockTask();
}
return iRet;
}
else
{
return -3;
}
}
bool ThreadPoolManager::GetStop()
{
return m_bStop;
}
void ThreadPoolManager::TaskCondWait()
{
struct timespec to;
memset(&to, 0, sizeof to);
to.tv_sec = time(0) + 60;
to.tv_nsec = 0;
pthread_cond_timedwait( &m_cond_task, &m_mutex_task, &to); //60-second timeouts
}
threadpoolmanager.h
#ifndef THREADPOOLMANAGER_H
#define THREADPOOLMANAGER_H
/* purpose @
* Basic process:
* management The thread pool and Task pools , add the task first Task pools And then by TaskThread Responsible for the Task pools Take the task out and put it into The thread pool In the
* Basic functions:
* 1 The worker thread can automatically exit the long time unused thread when the business is not busy
* 2 , Task pools Resources that have not been used for a long time can be automatically released when business is not busy commondef.h Modify)
* 3 , when the program is no longer backward Task pools To add a task when Task pools Only exit the relevant program after all tasks in
* Thread resources:
* If you don't pre-assign any processing threads, ThreadPool The required threads are actually created only when a task is available, and the maximum number of threads created is specified by the user
* when manager At the time of destruction, manager A monitoring thread is created to monitor the completion of all tasks, only after the completion of all tasks manager To destroy
* The maximum number of threads is: 1 a TaskPool thread + 1 a manager Task scheduling thread + ThreadPool Maximum number of threads + 1 a manager Exit the monitor thread + 1The thread pool All threads exit the monitor thread
* The minimum number of threads is: 1 a TaskPool Create an idle task resource to destroy the monitoring thread + 1 a manager Create a task scheduling thread
* Usage:
* ThreadPoolManager manager;
* manager.Init(100000, 50, 5);//Initializes a task pool of 10000, the maximum number of threads in the thread pool is 50, and precreates a manager of 5 threads
* manager.run(fun, data); //Add the execution task to the manager. Fun is the function pointer, data is the parameter that fun needs to pass in, and data can be NULL
*
* date @ 2013.12.23
* author @ haibin.wang
*
* Detailed parameter controls can be modified commondef.h The values of the related variables in
*/
#include <pthread.h>
typedef void (*task_fun)(void *);
class ThreadPool;
class TaskPool;
class ThreadPoolManager
{
public:
ThreadPoolManager();
~ThreadPoolManager();
int Init(const int &tastPoolSize,
const int &threadPoolMax,
const int &threadPoolPre);
int Run(task_fun fun,void* arg=NULL);
public: //The following public functions are mainly used for static function calls
bool GetStop();
void TaskCondWait();
TaskPool * GetTaskPool();
ThreadPool * GetThreadPool();
void LockTask();
void UnlockTask();
void LockFull();
private:
static void * TaskThread(void*); //Task processing thread
void StopAll();
private:
ThreadPool *m_threadPool; //The thread pool
TaskPool * m_taskPool; //Task pools
bool m_bStop; //Whether to terminate the manager
pthread_t m_taskThreadId; //TaskThread thread id
pthread_mutex_t m_mutex_task;
pthread_cond_t m_cond_task;
};
#endif
main.cpp
#include <iostream>
#include <string>
#include "threadpoolmanager.h"
#include <sys/time.h>
#include <string.h>
#include <stdlib.h>
#include <pthread.h>
using namespace std;
int seq = 0;
int billNum =0;
int inter = 1;
pthread_mutex_t m_mutex;
void myFunc(void*arg)
{
pthread_mutex_lock(&m_mutex);
seq++;
if(seq%inter == 0 )
{
cout << "fun 1=" << seq << endl;
}
if(seq>=1000000000)
{
cout << "billion" << endl;
seq = 0;
billNum++;
}
pthread_mutex_unlock(&m_mutex);
//sleep();
}
int main(int argc, char** argv)
{
if(argc != 6)
{
cout << " There must be 5 A parameter Task execution times Task pool size Thread pool size Number of pre-created threads The output gap " << endl;
cout << "eg: ./test 999999 10000 100 10 20" << endl;
cout << " The above example represents creating an interval 20 The task pool size is 10000 , the thread pool size is 100 , create 10 The number of execution times is: 999999" << endl;
return 0;
}
double loopSize = atof(argv[1]);
int taskSize = atoi(argv[2]);
int threadPoolSize = atoi(argv[3]);
int preSize = atoi(argv[4]);
inter = atoi(argv[5]);
pthread_mutex_init(&m_mutex,NULL);
ThreadPoolManager manager;
if(0>manager.Init(taskSize, threadPoolSize, preSize))
{
cout << " Initialization failure " << endl;
return 0;
}
cout << "******************* Initialization complete *********************" << endl;
struct timeval time_beg, time_end;
memset(&time_beg, 0, sizeof(struct timeval));
memset(&time_end, 0, sizeof(struct timeval));
gettimeofday(&time_beg, NULL);
double i=0;
for(; i<loopSize; ++i)
{
while(0>manager.Run(myFunc,NULL))
{
usleep(100);
}
}
gettimeofday(&time_end, NULL);
long total = (time_end.tv_sec - time_beg.tv_sec)*1000000 + (time_end.tv_usec - time_beg.tv_usec);
cout << "total time =" << total << endl;
cout << "total num =" << i << " billion num=" << billNum<< endl;
cout << __FILE__ << " All threads will be closed " << endl;
//pthread_mutex_destroy(&m_mutex);
return 0;
}