C++ 对“socketpair'”的未定义引用;
我已经编写了套接字客户机代码,在Linux GCC中运行良好,但在QNX平台上出现了错误。它通过错误被定义为对“socketpair”的未定义引用。 编译命令:aarch64-unknown-nto-qnx7.0.0-gcc ss1.c 构建错误C++ 对“socketpair'”的未定义引用;,c++,client-server,qnx,C++,Client Server,Qnx,我已经编写了套接字客户机代码,在Linux GCC中运行良好,但在QNX平台上出现了错误。它通过错误被定义为对“socketpair”的未定义引用。 编译命令:aarch64-unknown-nto-qnx7.0.0-gcc ss1.c 构建错误 /tmp/cc8ssnim.o: In function `main': ss1.c:(.text+0x34): undefined reference to `socketpair' collect2: error: ld returned 1 ex
/tmp/cc8ssnim.o: In function `main':
ss1.c:(.text+0x34): undefined reference to `socketpair'
collect2: error: ld returned 1 exit status
在john评论后编辑
CompleTime错误通过添加-lsocket修复,运行时错误如下
设置锁定选项:协议不可用
示例代码取自
//用于演示套接字编程的服务器端C/C++程序
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#定义端口8080
int main(int argc,char const*argv[]
{
int server_fd,新的_套接字,valread;
地址中的结构sockaddr_;
int opt=1;
int addrlen=sizeof(地址);
字符缓冲区[1024]={0};
char hello[500]={};
//创建套接字文件描述符
if((服务器fd=socket(AF\u INET,SOCK\u STREAM,0))==0)
{
perror(“套接字失败”);
退出(退出失败);
}
//将插座强制连接至端口8080
if(setsockopt)(服务器fd、SOL_套接字、SO_REUSEADDR | SO_REUSEPORT、,
&opt,sizeof(opt)))
{
perror(“setsockopt”);
退出(退出失败);
}
address.sin_family=AF_INET;
address.sin_addr.s_addr=INADDR\u ANY;
address.sin_port=htons(port);
//将插座强制连接至端口8080
if(bind(server_fd,(struct sockaddr*)和address,
sizeof(地址))胡乱猜测,尝试将-lsocket
添加到您的构建命令中。我的错误是,这是有效的。请您将此作为答案。@nm似乎太繁琐,无法回答现在我收到运行时错误。/server setsockopt:Protocol not availableEdited question@john关于这个胡乱猜测的任何帮助,尝试将-lsocket
添加到您的构建命令中。我的错误是他的工作。你能把这个作为答案吗。@nm似乎太琐碎了,无法回答现在我得到运行时错误。/server setsockopt:Protocol not available ited question@john有什么帮助吗
// Server side C/C++ program to demonstrate Socket programming
#include <unistd.h>
#include <stdio.h>
#include <sys/socket.h>
#include <stdlib.h>
#include <netinet/in.h>
#include <string.h>
#include<iostream>
#include <sys/types.h>
#define PORT 8080
int main(int argc, char const *argv[])
{
int server_fd, new_socket, valread;
struct sockaddr_in address;
int opt = 1;
int addrlen = sizeof(address);
char buffer[1024] = {0};
char hello[500] = {};
// Creating socket file descriptor
if ((server_fd = socket(AF_INET, SOCK_STREAM, 0)) == 0)
{
perror("socket failed");
exit(EXIT_FAILURE);
}
// Forcefully attaching socket to the port 8080
if (setsockopt(server_fd, SOL_SOCKET, SO_REUSEADDR | SO_REUSEPORT,
&opt, sizeof(opt)))
{
perror("setsockopt");
exit(EXIT_FAILURE);
}
address.sin_family = AF_INET;
address.sin_addr.s_addr = INADDR_ANY;
address.sin_port = htons( PORT );
// Forcefully attaching socket to the port 8080
if (bind(server_fd, (struct sockaddr *)&address,
sizeof(address))<0)
{
perror("bind failed");
exit(EXIT_FAILURE);
}
if (listen(server_fd, 3) < 0)
{
perror("listen");
exit(EXIT_FAILURE);
}
if ((new_socket = accept(server_fd, (struct sockaddr *)&address,
(socklen_t*)&addrlen))<0)
{
perror("accept");
exit(EXIT_FAILURE);
}
ab:
std::cout<<"Enter send to client\n";
std::cin>>hello;
valread = read( new_socket , buffer, 1024);
printf("Received in server = %s\n",buffer );
memset( buffer, '\0', sizeof(char)*1024 );
send(new_socket , hello , strlen(hello) , 0 );
memset( hello, '\0', sizeof(char)*500 );
goto ab;
//printf("Hello message sent\n");
return 0;
}