X-Git-Url: http://git.archive.openwrt.org/?p=project%2Flibubox.git;a=blobdiff_plain;f=usock.h;h=5f2b84b092ce9ac17cde4645517fb1f9b3cc788a;hp=12f81272d466ab3e66856a8bf0f5b3d4d7ee4d93;hb=155bf39896f126b1ba121b816922a88dc34c31e3;hpb=e82d74f89809c6c01f71168b3b8fdcf490e93fa7

diff --git a/usock.h b/usock.h
index 12f8127..5f2b84b 100644
--- a/usock.h
+++ b/usock.h
@@ -1,3 +1,21 @@
+/*
+ * 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_
 
@@ -5,13 +23,32 @@
 #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_ */