int sock, connected, bytes_received, true = 1;
struct sockaddr_in server_addr, client_addr;
int sin_size;
if ((sock = socket(AF_INET, SOCK_STREAM, 0)) == -1) {
perror("Socket");
exit(1);
}
if (setsockopt(sock, SOL_SOCKET, SO_REUSEADDR, &true, sizeof (int)) == -1) {
perror("Setsockopt");
exit(1);
}
server_addr.sin_family = AF_INET;
server_addr.sin_port = htons(atoi(argv[1]));
server_addr.sin_addr.s_addr = INADDR_ANY;
bzero(&(server_addr.sin_zero), 8);
if (bind(sock, (struct sockaddr *) &server_addr, sizeof (struct sockaddr))
== -1) {
perror("Unable to bind");
exit(1);
}
if (listen(sock, 5) == -1) {
perror("Listen");
exit(1);
}
printf("\nTCPServer Waiting for client on port 5003");
fflush(stdout);
while (1)
{
pthread_t *child = (pthread_t *)malloc( sizeof(pthread_t) );
sin_size = sizeof (struct sockaddr_in);
connected = accept(sock, (struct sockaddr *) &client_addr, &sin_size);
printf("\n I got a connection from (%s , %d)\n", inet_ntoa(client_addr.sin_addr), ntohs(client_addr.sin_port));
pthread_create(child, NULL, interpretMessage, NULL);
free(child);
}
我的TCP服务器监听5003端口。当有连接时,我想要生成一个线程并运行interpretMessage函数。我有几个问题需要解决...
1)我是否在正确的位置调用malloc和free?
2)在pthread_create被调用后,我的代码是否立即跳转到“free(child);”然后回到while循环的开头?
3)如果同时有5个人连接会发生什么(代码如何运行以生成5个线程?)