Add socket options

git-svn-id: svn://svn.code.sf.net/p/nuttx/code/trunk@331 42af7a65-404d-4744-a932-0658087f49c3

1 files changed, 38 insertions, 0 deletions

diff --git a/nuttx/include/sys/socket.h b/nuttx/include/sys/socket.h
index e1204e68a..776c0f403 100644
--- a/nuttx/include/sys/socket.h
+++ b/nuttx/include/sys/socket.h
@@ -115,6 +115,40 @@
 #define MSG_NOSIGNAL   0x4000 /* Do not generate SIGPIPE.  */
 #define MSG_MORE       0x8000 /* Sender will send more.  */
 
+/* Socket options */
+
+#define SO_DEBUG        1 /* Enables recording of debugging information (get/set).
+                           * arg: integer contain boolean value */
+#define SO_ACCEPTCONN   2 /* Reports whether socket listening is enabled (get only).
+                           * arg: returns integer contain boolean value */
+#define SO_BROADCAST    3 /* Permits sending of broadcast messages (get/set).
+                           * arg: integer contain boolean value */
+#define SO_REUSEADDR    4 /* Allow reuse of local addresses (get/set)
+                           * arg: integer contain boolean value */
+#define SO_KEEPALIVE    5 /* Keeps connections active by enabling the periodic transmission
+                           * of messages (get/set). arg: int */
+#define SO_LINGER       6 /* Lingers on a close() if data is present (get/set)
+                           * arg: struct linger */
+#define SO_OOBINLINE    7 /* Leaves received out-of-band data (data marked urgent) inline
+                           * (get/set) arg: integer contain boolean value */
+#define SO_SNDBUF       8 /* Sets send buffer size. arg: integer value (get/set). */
+#define SO_RCVBUF       9 /* Sets receive buffer size. arg: integer value (get/set). */
+#define SO_ERROR       10 /* Reports and clears error statust (get only).  arg: returns
+                           * an integer value
+#define SO_TYPE        11 /* Reports the socket type (get only). return: int */
+#define SO_DONTROUTE   12 /* equests that outgoing messages bypass standard routing
+                           * arg: integer contain boolean value */
+#define SO_RCVLOWAT    13 /* Sets the minimum number of bytes to process for socket input
+                           * (get/set). arg: integer value */
+#define SO_RCVTIMEO    14 /* Sets the timeout value that specifies the maximum amount of time
+                           * an input function waits until it completes (get/set).
+                           * arg: struct timeval */
+#define SO_SNDLOWAT    15 /* Sets the minimum number of bytes to process for socket output
+                           * (get/set). arg: integer value */
+#define SO_SNDTIMEO    16 /* Sets the timeout value specifying the amount of time that an
+                           * output function blocks because flow control prevents data from
+                           * being sent(get/set). arg: struct timeval */
+
 /****************************************************************************
  * Type Definitions
  ****************************************************************************/
@@ -149,6 +183,10 @@ EXTERN ssize_t recv(int sockfd, void *buf, size_t len, int flags);
 EXTERN ssize_t recvfrom(int sockfd, void *buf, size_t len, int flags,
                         struct sockaddr *from, socklen_t *fromlen);
 
+EXTERN int setsockopt(int sockfd, int level, int option,
+                      const void *value, socklen_t value_len);
+EXTERN int setsockopt(int sockfd, int level, int option,
+                      const void *value, socklen_t value_len);
 
 #undef EXTERN
 #if defined(__cplusplus)