+static sigjmp_buf jmpenv;
+
+static void timeout_handler(gint sig)
+{
+ siglongjmp(jmpenv, 1);
+}
+
+static gint sock_connect_with_timeout(gint sock,
+ const struct sockaddr *serv_addr,
+ gint addrlen,
+ guint timeout_secs)
+{
+ gint ret;
+ void (*prev_handler)(gint);
+
+ alarm(0);
+ prev_handler = signal(SIGALRM, timeout_handler);
+ if (sigsetjmp(jmpenv, 1)) {
+ alarm(0);
+ signal(SIGALRM, prev_handler);
+ errno = ETIMEDOUT;
+ return -1;
+ }
+ alarm(timeout_secs);
+
+ ret = connect(sock, serv_addr, addrlen);
+
+ alarm(0);
+ signal(SIGALRM, prev_handler);
+
+ return ret;
+}