我在C++写了这个类的多线程TCP服务器TCP服务器..和::多线程在C++
g++ -o server server.cpp -lpthread
编译,但我得到以下错误::
invalid conversion from "void*" to "void* (*)(void*)"
initializing argument 3 of "int pthread_create(pthread_t*, const pthread_attr_t*, void* (*)(void*), void*)"
什么我应该怎么做?我的代码::
#include "PracticalSocket.h"
#include <iostream>
#include <cstdlib>
#include <pthread.h>
using namespace std;
class MultiThreadedServer{
private:
static const int RCVBUFSIZE = 1024;
string agent_ip;
int agent_port;
public:
string startServer(unsigned short port, string agentIP, int agentPort)
{
agent_ip = agentIP;
agent_port=agentPort;
try
{
TCPServerSocket servSock(port); // Socket descriptor for server
for (;;)
{
// Create separate memory for client argument
TCPSocket *clntSock = servSock.accept();
pthread_t threadID;
if (pthread_create(&threadID, NULL, (void*) &ThreadMain,(void *) &clntSock) != 0)
{
cerr << "Unable to create thread" << endl;
exit(1);
}
}
}
catch (SocketException &e)
{
cerr << e.what() << endl;
exit(1);
}
// NOT REACHED
}
// TCP client handling function
void static HandleTCPClient(TCPSocket *sock)
{
cout << "Handling client ";
try
{
cout<<"Foreign address: "<< sock->getForeignAddress() << ":";
}
catch (SocketException &e)
{
cerr << "Unable to get foreign address" << endl;
}
try
{
cout<<"Foreign port: "<< sock->getForeignPort();
}
catch (SocketException &e)
{
cerr << "Unable to get foreign port" << endl;
}
cout << " with thread " << pthread_self() << endl;
char echoBuffer[RCVBUFSIZE];
int recvMsgSize;
while ((recvMsgSize = sock->recv(echoBuffer, RCVBUFSIZE)) > 0)
{
cout<<"echoBuffer::::"<<echoBuffer;
//sock->send(echoBuffer, recvMsgSize);
}
// Destructor closes socket
}
static void ThreadMain(void *clntSock)
{
// Guarantees that thread resources are deallocated upon return
pthread_detach(pthread_self());
// Extract socket file descriptor from argument
HandleTCPClient((TCPSocket *) clntSock);
delete (TCPSocket *) clntSock;
//return NULL;
}
};
WHE吨他投?只要说'ThreadMain',或者'MultiThreadedServer :: ThreadMain'。 – 2012-01-11 15:23:24
当编译和链接代替'-lpthread'时使用'-pthread',后者是不够的。 – 2012-01-11 17:34:14