标签:int dopoll dev stdineof pollfd str sockfd poll buf
void str_cli(FILE *fp, int sockfd) { int stdineof; char buf[MAXLINE]; int n; int wfd; struct pollfd pollfd[2]; struct dvpoll dopoll; int i; int result; wfd = open("/dev/poll", O_RDWR, 0); pollfd[0].fd = fileno(fp); pollfd[0].events = POLLIN; pollfd[0].revents = 0; pollfd[1].fd = sockfd; pollfd[1].events = POLLIN; pollfd[1].revents = 0; write(wfd, pollfd, sizeof(struct pollfd) * 2); stdineof = 0; for ( ; ; ) { /* block until /dev/poll says something is ready */ dopoll.dp_timeout = -1; dopoll.dp_nfds = 2; dopoll.dp_fds = pollfd; result = ioctl(wfd, DP_POLL, &dopoll); /* loop through ready file descriptors */ for (i = 0; i < result; i++) { if (dopoll.dp_fds[i].fd == sockfd) { /* socket is readable */ if ( (n = read(sockfd, buf, MAXLINE)) == 0) { if (stdineof == 1) return; /* normal termination */ else err_quit("str_cli: server terminated prematurely"); } write(fileno(stdout), buf, n); } else { /* input is readable */ if ( (n = read(fileno(fp), buf, MAXLINE)) == 0) { stdineof = 1; shutdown(sockfd, SHUT_WR); /* send FIN */ continue; } writen(sockfd, buf, n); } } } }
标签:int,dopoll,dev,stdineof,pollfd,str,sockfd,poll,buf 来源: https://www.cnblogs.com/soldierback/p/10764522.html
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