Add infrastructure to support poll()

git-svn-id: svn://svn.code.sf.net/p/nuttx/code/trunk@1258 42af7a65-404d-4744-a932-0658087f49c3

2 files changed, 81 insertions, 1 deletions

diff --git a/nuttx/net/Makefile b/nuttx/net/Makefile
index b43943396..97c758dd7 100644
--- a/nuttx/net/Makefile
+++ b/nuttx/net/Makefile
@@ -52,7 +52,7 @@ endif
 endif
 
 NETDEV_ASRCS	=
-NETDEV_CSRCS	= netdev-register.c netdev-ioctl.c netdev-txnotify.c \
+NETDEV_CSRCS	= netdev-register.c netdev-ioctl.c net-poll.c netdev-txnotify.c \
 		  netdev-findbyname.c netdev-findbyaddr.c netdev-count.c \
 		  netdev-foreach.c
 
diff --git a/nuttx/net/net-poll.c b/nuttx/net/net-poll.c
new file mode 100644
index 000000000..ef4ba9dd3
--- /dev/null
+++ b/nuttx/net/net-poll.c
@@ -0,0 +1,80 @@
+/****************************************************************************
+ * net/net-poll.c
+ *
+ *   Copyright (C) 2008 Gregory Nutt. All rights reserved.
+ *   Author: Gregory Nutt <spudmonkey@racsa.co.cr>
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ *
+ * 1. Redistributions of source code must retain the above copyright
+ *    notice, this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ *    notice, this list of conditions and the following disclaimer in
+ *    the documentation and/or other materials provided with the
+ *    distribution.
+ * 3. Neither the name NuttX nor the names of its contributors may be
+ *    used to endorse or promote products derived from this software
+ *    without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+ * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+ * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
+ * FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
+ * COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
+ * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
+ * BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS
+ * OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED
+ * AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
+ * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN
+ * ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
+ * POSSIBILITY OF SUCH DAMAGE.
+ *
+ ****************************************************************************/
+
+/****************************************************************************
+ * Included Files
+ ****************************************************************************/
+
+#include <nuttx/config.h>
+#ifdef CONFIG_NET
+
+#include <sys/types.h>
+#include <sys/socket.h>
+#include <poll.h>
+#include <errno.h>
+
+#include <nuttx/net.h>
+#include "net-internal.h"
+
+/****************************************************************************
+ * Global Functions
+ ****************************************************************************/
+
+/****************************************************************************
+ * Function: net_poll
+ *
+ * Description:
+ *   The standard poll() operation redirects operations on socket descriptors
+ *   to this function.
+ *
+ * Parameters:
+ *   fd   - The socket descriptor of interest
+ *   fds  - The structures describing events to be monitored, OR NULL if
+ *          this is a request to stop monitoring events.
+ *
+ * Returned Value:
+ *  TBD
+ *
+ ****************************************************************************/
+
+int net_poll(int sockfd, struct pollfd *fds)
+{
+#ifdef CONFIG_CPP_HAVE_WARNING
+#  warning To be provided
+#endif
+  return -ENOSYS;
+}
+
+#endif /* CONFIG_NET */