diff --git a/adb/sysdeps.h b/adb/sysdeps.h
index 4033b7220..ba4306f8c 100644
--- a/adb/sysdeps.h
+++ b/adb/sysdeps.h
@@ -169,6 +169,8 @@ extern void*  load_file(const char*  pathname, unsigned*  psize);
 /* normally provided by <cutils/sockets.h> */
 extern int socket_loopback_client(int port, int type);
 extern int socket_network_client(const char *host, int port, int type);
+extern int socket_network_client_timeout(const char *host, int port, int type,
+                                         int timeout);
 extern int socket_loopback_server(int port, int type);
 extern int socket_inaddr_any_server(int port, int type);