+ struct addrinfo *rp;
+ int socktype = ((type & 0xff) == USOCK_TCP) ? SOCK_STREAM : SOCK_DGRAM;
+ bool server = !!(type & USOCK_SERVER);
+ int sock;
+
+ for (rp = result; rp != NULL; rp = rp->ai_next) {
+ sock = usock_connect(type, rp->ai_addr, rp->ai_addrlen, rp->ai_family, socktype, server);
+ if (sock >= 0) {
+ if (addr)
+ memcpy(addr, rp->ai_addr, rp->ai_addrlen);
+ return sock;
+ }
+ }
+
+ return -1;
+}
+
+static int poll_restart(struct pollfd *fds, int nfds, int timeout)
+{
+ struct timespec ts, cur;
+ int msec = timeout % 1000;
+ int ret;
+
+ clock_gettime(CLOCK_MONOTONIC, &ts);
+
+ ts.tv_nsec += msec * 1000000;
+ if (ts.tv_nsec > 1000000000) {
+ ts.tv_sec++;
+ ts.tv_nsec -= 1000000000;
+ }
+ ts.tv_sec += timeout / 1000;
+
+ while (1) {
+ ret = poll(fds, nfds, timeout);
+ if (ret >= 0 || (errno != EINTR && errno != EAGAIN))
+ return ret;
+
+ clock_gettime(CLOCK_MONOTONIC, &cur);
+ timeout = (ts.tv_sec - cur.tv_sec) * 1000;
+ timeout += (ts.tv_nsec - cur.tv_nsec) / 1000000;
+ if (timeout <= 0)
+ return 0;
+ }
+}
+
+int usock_inet_timeout(int type, const char *host, const char *service,
+ void *addr, int timeout)
+{
+ int socktype = ((type & 0xff) == USOCK_TCP) ? SOCK_STREAM : SOCK_DGRAM;
+ bool server = !!(type & USOCK_SERVER);