add socket options for changing buffer sizes, also unused fields

SCCS-vsn: sys/sys/socket.h 6.5

diff --git a/usr/src/sys/sys/socket.h b/usr/src/sys/sys/socket.h
index 6912b8d..d365389 100644 (file)
--- a/usr/src/sys/sys/socket.h
+++ b/usr/src/sys/sys/socket.h
@@ -1,4 +1,4 @@
-/*     socket.h        6.4     84/09/04        */
+/*     socket.h        6.5     84/12/20        */

 
 /*
  * Definitions related to sockets: types, address families, options.
 
 /*
  * Definitions related to sockets: types, address families, options.


@@ -25,6 +25,16 @@
 #define        SO_USELOOPBACK  0x40            /* bypass hardware when possible */
 #define        SO_LINGER       0x80            /* linger on close if data present */
 
 #define        SO_USELOOPBACK  0x40            /* bypass hardware when possible */
 #define        SO_LINGER       0x80            /* linger on close if data present */
 

+/*
+ * Additional options, not kept in so_options.
+ */
+#define SO_SNDBUF      0x1001          /* send buffer size */
+#define SO_RCVBUF      0x1002          /* receive buffer size */
+#define SO_SNDLOWAT    0x1003          /* send low-water mark */
+#define SO_RCVLOWAT    0x1004          /* receive low-water mark */
+#define SO_SNDTIMEO    0x1005          /* send timeout */
+#define SO_RCVTIMEO    0x1006          /* receive timeout */
+

 /*
  * Structure used for manipulating linger option.
  */
 /*
  * Structure used for manipulating linger option.
  */