#include "unpthread.h" static void *doit(void *); /* each thread executes this function */ int main(int argc, char **argv) { int listenfd, connfd; pthread_t tid; socklen_t addrlen, len; struct sockaddr *cliaddr; if (argc == 2) listenfd = Tcp_listen(NULL, argv[1], &addrlen); else if (argc == 3) listenfd = Tcp_listen(argv[1], argv[2], &addrlen); else err_quit("usage: tcpserv01 [ ] "); cliaddr = Malloc(addrlen); for ( ; ; ) { len = addrlen; connfd = Accept(listenfd, cliaddr, &len); Pthread_create(&tid, NULL, &doit, (void *) connfd); } } static void * doit(void *arg) { Pthread_detach(pthread_self()); str_echo((int) arg); /* same function as before */ Close((int) arg); /* done with connected socket */ return(NULL); }