+/*
+ * usock - socket helper functions
+ *
+ * Copyright (C) 2010 Steven Barth <steven@midlink.org>
+ * Copyright (C) 2011-2012 Felix Fietkau <nbd@openwrt.org>
+ *
+ * Permission to use, copy, modify, and/or distribute this software for any
+ * purpose with or without fee is hereby granted, provided that the above
+ * copyright notice and this permission notice appear in all copies.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
+ * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
+ * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
+ * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
+ * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
+ * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
+ * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
+ */
#ifndef USOCK_H_
#define USOCK_H_
#define USOCK_UDP 1
#define USOCK_SERVER 0x0100
-#define USOCK_NOCLOEXEC 0x0200
+#define USOCK_NOCLOEXEC 0x0200
#define USOCK_NONBLOCK 0x0400
#define USOCK_NUMERIC 0x0800
#define USOCK_IPV6ONLY 0x2000
#define USOCK_IPV4ONLY 0x4000
-#define USOCK_UNIX 0x8000
+#define USOCK_UNIX 0x8000
+const char *usock_port(int port);
int usock(int type, const char *host, const char *service);
+int usock_inet_timeout(int type, const char *host, const char *service,
+ void *addr, int timeout);
+static inline int
+usock_inet(int type, const char *host, const char *service, void *addr)
+{
+ return usock_inet_timeout(type, host, service, addr, -1);
+}
+
+/**
+ * Wait for a socket to become ready.
+ *
+ * This may be useful for users of USOCK_NONBLOCK to wait (with a timeout)
+ * for a socket.
+ *
+ * @param fd file descriptor of socket
+ * @param msecs timeout in microseconds
+ */
+int usock_wait_ready(int fd, int msecs);
#endif /* USOCK_H_ */