我在做一个发送短信程序,但是当我在线程中创建与服务器的连接时,我得到一个错误。在C++中创建线程时出错
g++ -L/usr/lib/i386-linux-gnu -o main Socket.cpp ServerSocket.cpp modemSMS_w.cpp main.cpp Config.cpp -lpthread -lserial -lxml2 -lmysqlclient
modemSMS_w.cpp: In member function ‘void modem::enviasms()’:
modemSMS_w.cpp:96:77: error: cannot convert ‘void* (modem::*)(void*)’ to ‘void* (*)(void*)’ for argument ‘3’ to ‘int pthread_create(pthread_t*, const pthread_attr_t*, void* (*)(void*), void*)’
程序:
#include "modemSMS_w.hpp"
#define CTRL_C "\x1A"
using namespace LibSerial;
using namespace std;
modem::modem()
{
}
void *modem::func_servidor(void *ptr)
{
ServerSocket server(30001);
try {
ServerSocket new_sock;
while(1)
{
server.accept(new_sock);
cout << "Conexao aceita" << endl;
}
}
catch (SocketException& e) {
cout << "Erro: Criando Servidor" << endl;
}
}
int modem::setSerial() {
.....
....
...
}
void modem::enviasms(){
pthread_t thread_servidor;
pthread_cond_t cv;
const int PORT_MON = 30000;
string serialPort = "/dev/ttyS0";
int argc;
int ret;
char **argv;
cout << "\n------------------------\n MODEM GPRS \n------------------------" << endl;
string mensagem ="Conversao";
mensagem.c_str();
ret = pthread_cond_init(&cv, NULL);
bool envia = true;
envia = true;
if (ret != 0)
{
cout << "Erro na criação do evento. Por favor reeinicie o programa." << endl;
}
//ERROR IN THIS LINE
pthread_create(&thread_servidor, NULL,&modem::func_servidor, (void*) true);
Config config;
SerialStream ssStream;
setSerial();
....
...
}
对不起,不知道几乎没有在C++中创建线程已经试图解决这个问题,但是没有sucess。
不知道你为什么要使用pthread_create原语来实现这样的基本用法,但是如果你使用的是现代C++编译器,最好使用'std :: thread'(或'boost:thread')。另外,对于你的问题,你传递一个指向一个成员函数的指针,指向一个自由函数的指针。那些不一样。 – ereOn
[如何从成员函数中获取“简单”函数指针]的可能重复(http://stackoverflow.com/questions/15958553/how-to-get-a-simple-function-pointer-from-a-成员函数) –